TW202328769A - Contact lens and contact lens product - Google Patents

Abstract

A contact lens includes, in order from a center thereof outward, a center region, an annular region, a peripheral region and a round-corner region. The center region includes a center point of a center of the contact lens. The annular region surrounds the center region. The peripheral region surrounds the annular region. The round-corner region surrounds the peripheral region. The round-corner region includes a front surface, a round-corner surface and a back surface, wherein the round-corner surface connects adjacently the front surface and the back surface, and the back surface includes at least one supporting back surface. When a specific condition is satisfied, it is favorable for reducing the pressure when the contact lens of the present disclosure attaches to the cornea so as to avoid the possibility of the damage to the corneal structure. Accordingly, the wearing comfort of the user can be enhanced and the difficulty in designing and manufacturing the contact lens can be reduced.

Description

Contact lenses and contact lens products

The invention relates to a contact lens and a contact lens product, in particular to a contact lens and a contact lens product which can effectively improve wearing comfort.

The outermost edge of the conventional contact lens is not well designed, and the outer edge of the poorly designed contact lens has a sharp structure, which will obviously affect the comfort of the contact lens when worn. Furthermore, when the contact lens touches the sensitive cornea, it is easy to feel discomfort at the beginning of wearing, and it is more likely to cause deformation of the outer surface of the cornea after long-term wearing, and even further damage the corneal structure.

According to the present invention, a contact lens is provided, which sequentially includes a central area, an annular area, a peripheral area and a rounded corner area from the center to the outside. The central zone contains a center point of the contact lens. A ring zone surrounds the central zone. A peripheral zone surrounds the annular zone. The rounded area surrounds the peripheral area, and the rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface, and the rear surface includes at least one supporting rear surface. Among them, the maximum width among all supports in the posterior surface is WRBmax, and the maximum diameter of the contact lens is DiL, which satisfies the following conditions: 0.5% ≤ 2×WRBmax/DiL ≤ 15%.

According to the present invention, there is also provided a contact lens product, comprising the contact lens as mentioned in the preceding paragraph, a buffer solution and a package. Contact lenses are soaked in a buffered solution. Contact lenses and buffer solution are accommodated in the package. Wherein the contact lens contains a benefit agent, a wetting agent, a pigment or a myopia control agent.

According to the present invention, there is further provided a contact lens product, comprising the contact lens as mentioned in the preceding paragraph, a buffer solution and a package. Contact lenses are soaked in a buffered solution. Contact lenses and buffer solution are accommodated in the package. Wherein the buffer solution contains a beneficial agent, a wetting agent, a pigment or a myopia control agent.

Thereby, the contact lens of the present invention is designed to be continuously adjacent to at least three rounded corners of surfaces with different radii of curvature through its outermost edge region, and the multiple curvatures of the front surface, rounded corner surface and rear surface of the rounded corner region The radii have the best configuration of the radius of curvature and the size of the surface area, which can effectively reduce the pressure of the contact lens on the cornea, avoid the possibility of corneal structural damage, and thus improve the wearing comfort of the user, and can help Reduce the difficulty of designing and manufacturing contact lenses.

Please refer to Figure 1A, Figure 1B and Figure 1C, Figure 1A is a schematic diagram of a contact lens 100 according to an embodiment of the present invention, and Figure 1B shows the contact lens 100 along the secant line in Figure 1A 1b-1b is a schematic cross-sectional view. FIG. 1C is a partially enlarged schematic diagram of the contact lens 100 in FIG. 1B. The contact lens 100 sequentially includes a central area 110 , an annular area 120 , a peripheral area 130 and a rounded corner area 140 from the center to the outside.

As shown in FIGS. 1A , 1B, and 1C, the central region 110 includes the center point of the contact lens 100 . The annular zone 120 surrounds the central zone 110 . The peripheral zone 130 surrounds the annular zone 120 . The rounded area 140 surrounds the peripheral area 130, and the rounded area 140 includes a front surface 150, a rounded surface 160 and a rear surface 170, wherein the rounded surface 160 is adjacent to the front surface 150 and the rear surface 170, and the rear surface 170 includes at least A supporting rear surface (not otherwise numbered). In detail, the central area 110 includes the optical area of the contact lens 100, the annular area 120 surrounds the central area 110 and may include the optical area of the contact lens 100, and neither the peripheral area 130 nor the rounded corner area 140 may include the optical area of the contact lens 100. . The rounded area 140 includes the sharp point of the outermost edge of the contact lens 100, wherein the front surface 150 of the rounded area 140 refers to the surface away from the cornea of the user's eye when the contact lens 100 is correctly worn (i.e. the outer surface of the contact lens 100). Corner surface 160 comprises the sharp point at the outermost edge corner of contact lens 100 and adjoins the surface midway between front surface 150 and rear surface 170, which refers to the surface that is closest to the cornea of the user's eye when properly worn (i.e., the contact lens 100), and the front surface 150, the rounded surface 160 and the rear surface 170 form a continuous spherical design. The supporting surface of the posterior surface 170 The posterior surface is the supporting surface of the posterior surface 170, and its position is closer to the cornea. It is mainly responsible for the support between the contact lens 100 and the cornea, providing the ability of the contact lens 100 to be attached to the surface of the cornea, and excellent design The supportive posterior surface reduces corneal deformation and damage.

In the contact lens 100 of the present invention, as shown in FIG. 1C, the supporting back surface adjacent to the rounded surface 160 in the rounded corner area 140 is the first supporting back surface 171a, wherein the curvature of the rounded corner surface 160 in the rounded corner area 140 The radius is RE, the radius of curvature of the front surface 150 in the fillet area 140 is RF, and the radius of curvature of the first supporting rear surface 171a is RB1s, which satisfy the following conditions: RE ≤ RF ≤ RB1s. Thereby, the outermost edge region of the contact lens 100 of the present invention is designed to be continuously adjacent to the rounded corner region 140 that includes at least three surfaces with different radii of curvature, and the front surface 150, the rounded corner surface 160 and the rear surface of the rounded corner region 140 The multiple radii of curvature of the surface 170 have an optimal configuration of the radii of curvature and the size of the surface area, which can effectively reduce the pressure of the contact lens 100 attached to the cornea, avoid the possibility of corneal structural damage, and further improve the wearability of the user. comfort, and can help reduce the difficulty of designing and manufacturing the contact lens 100 .

In the contact lens 100 of the present invention, the radius of curvature of the front surface 150 in the rounded area 140 is RF, which can satisfy the following condition: 0 ≤ RF < infinity. Thereby, the radius of curvature of the front surface 150 of the rounded corner area 140 of the optimally designed contact lens 100 can optimize the shape of the front surface 150 of the rounded corner area 140 and adjust the thickness of the rounded corner area 140, which helps to maintain the rounded corner area 140 structural strength and improved wearing comfort. When the upper limit falls outside the range, the front surface 150 may not be able to smoothly adjoin the surface of the peripheral region 130, and the structure may be deformed due to the insufficient thickness of the rounded corner region 140; while the lower limit falls outside the range, the front surface 150 may be too convex, which is easy Cause foreign body sensation and affect wearing comfort. Alternatively, it may satisfy the following condition: 0.01 ≤ RF ≤ 1.00E+10. Alternatively, it may satisfy the following condition: 0.10 ≤ RF ≤ 1.00E+05. Alternatively, it may satisfy the following condition: 0.50 ≤ RF ≤ 1000.00. Alternatively, it may satisfy the following condition: 0.60 ≤ RF ≤ 8.00.

In the contact lens 100 of the present invention, the radius of curvature of the rounded surface 160 in the rounded area 140 is RE, which can satisfy the following condition: 0 ≤ RE < infinite. Thereby, the radius of curvature of the rounded surface 160 of the rounded corner region 140 of the optimally designed contact lens 100 can optimize the shape of the rounded corner surface 160 of the rounded corner region 140 and smoothly adjoin the front surface 150 and the rear surface 170. It helps to simplify the design and improve the manufacturability, and can optimize the rounded structure of the contact lens 100 to avoid damage to the cornea. When the upper limit falls outside the range, the rounded surface 160 may not be able to smoothly adjoin the front surface 150 and the rear surface 170 , while the lower limit falls outside the range, the rounded surface 160 may be too sharp, which may damage the cornea and cause corneal deformation. Alternatively, it may satisfy the following condition: 1.00E-05 ≤ RE ≤ 1.00E+10. Alternatively, it may satisfy the following condition: 0.01 ≤ RE ≤ 100.00. Alternatively, it may satisfy the following condition: 0.10 ≤ RE ≤ 10.00. Alternatively, it may satisfy the following condition: 0.0200 ≤ RE ≤ 0.05.

In the contact lens 100 of the present invention, the radius of curvature of the first supporting rear surface 171 a is RB1s, which can satisfy the following condition: 0 ≤ RB1s < infinity. Thereby, the radius of curvature of the first support rear surface 171a of the rounded corner region 140 of the optimally designed contact lens 100 can optimize the surface shape of the first support rear surface 171a to provide the contact lens 100 to be attached to the cornea Supportive, helps reduce corneal deformation and damage. When the upper limit falls outside the range, the back surface of the support may not conform to the shape of the cornea and cannot be effectively attached, causing the rounded corner area 140 to warp and deform. However, if the lower limit falls outside the range, the back surface of the support may be too convex, which may easily cause corneal deformation and Foreign body sensation. Alternatively, it may satisfy the following condition: 1.00E-03 ≤ RB1s ≤ 1.00E+10. Alternatively, it may satisfy the following condition: 0.10 ≤ RB1s ≤ 1.00E+05. Alternatively, it can satisfy the following condition: 0.50 ≤ RB1s ≤ 1000.00. Alternatively, it may satisfy the following condition: 0.05 ≤ RB1s ≤ 9.00.

In the contact lens 100 of the present invention, the first supporting rear surface 171a of the rear surface 170 is a spherical surface, and the front surface 150, the rounded surface 160 and the first supporting rear surface 171a can form a continuous spherical design, wherein the rear surface 170 All support rear surfaces other than the first support rear surface 171a may be spherical, aspheric or planar. In this way, multiple supporting back surfaces of the rounded corner area 140 of the contact lens 100 can be optimally designed in a spherical, aspheric or planar shape, and the configuration of the optimal supporting back surface can be adjusted to help improve the rounded corner area 140 of the contact lens 100. Support and avoid corneal deformation. Alternatively, at least one of all supporting rear surfaces other than the first supporting rear surface 171a in the rear surface 170 is a spherical surface. Alternatively, at least one of all supporting rear surfaces in the rear surface 170 other than the first supporting rear surface 171a is aspherical. Alternatively, at least one of all supporting rear surfaces other than the first supporting rear surface 171a in the rear surface 170 is a plane. Alternatively, at least one of all support rear surfaces other than the first support rear surface 171 a in the rear surface 170 is spherical and at least one is aspherical. Alternatively, at least two of all supported rear surfaces in the rear surface 170 other than the first supported rear surface 171a are spherical. Alternatively, at least two of all supported rear surfaces other than the first supported rear surface 171a in the rear surface 170 are aspherical. Alternatively, at least one of all supporting rear surfaces other than the first supporting rear surface 171a in the rear surface 170 is a spherical surface and at least one is a plane. Alternatively, at least three of all supported rear surfaces other than the first supported rear surface 171a in the rear surface 170 are spherical surfaces. Alternatively, at least one of all support rear surfaces other than the first support rear surface 171 a in the rear surface 170 is aspheric and at least one is a plane. Alternatively, at least four of all supported rear surfaces other than the first supported rear surface 171 a in the rear surface 170 are spherical surfaces. Alternatively, at least one of all supporting rear surfaces other than the first supporting rear surface 171 a in the rear surface 170 is spherical, at least one is aspheric and at least one is plane.

In the embodiment shown in FIG. 1C, the supporting rear surface of the rear surface 170 of the contact lens 100 can be a first supporting rear surface 171a and a second supporting rear surface 172a from the rounded surface 160 to the center point of the contact lens 100 in sequence. , a third support rear surface 173a, a fourth support rear surface 174a and a fifth support rear surface 175a, but the present invention is not limited thereto. Furthermore, in Figure 1C, the lines between the first support rear surface 171a, the second support rear surface 172a, the third support rear surface 173a, the fourth support rear surface 174a and the fifth support rear surface 175a are only used for The scope of the five supporting rear surfaces is indicated, and the present invention is not limited thereto.

In the contact lens 100 of the present invention, wherein the radius of curvature of the front surface 150 in the rounded area 140 is RF, and the radius of curvature of the first supporting rear surface 171a in the rounded area 140 is RB1s, which can satisfy the following conditions: 0.01 ≤ RF /RB1s ≤ 1.00E+10. Thereby, the radius of curvature of the front surface 150 of the rounded corner region 140 of the optimally designed contact lens 100 and the first supporting rear surface 171a can obtain the optimum thickness of the rounded corner region 140 and the adhesion of the contact lens 100 on the cornea The supporting properties help to maintain the structural strength of the fillet area 140, reduce corneal deformation and improve wearing comfort. Alternatively, it may satisfy the following condition: 0 ≤ RF/RB1s < infinity. Alternatively, it can satisfy the following condition: 0.10 ≤ RF/RB1s ≤ 1.00E+03. Alternatively, it may satisfy the following condition: 1.00 ≤ RF/RB1s ≤ 20.00. Alternatively, it can satisfy the following condition: 0.05 ≤ RF/RB1s ≤ 7.00.

In the contact lens 100 of the present invention, wherein the radius of curvature of the front surface 150 in the rounded area 140 is RF, and the radius of curvature of the first supporting rear surface 171a in the rounded area 140 is RB1s, which can satisfy the following conditions: 0 ≤ RB1s /RF < infinite. Thereby, the radius of curvature of the front surface 150 of the rounded corner region 140 of the optimally designed contact lens 100 and the first supporting rear surface 171a can obtain the optimum thickness of the rounded corner region 140 and the adhesion of the contact lens 100 on the cornea The supporting properties help to maintain the structural strength of the fillet area 140, reduce corneal deformation and improve wearing comfort. Alternatively, it may satisfy the following condition: 1.00E-09 ≤ RB1s/RF ≤ 1.00E+10. Alternatively, it may satisfy the following condition: 0.10 ≤ RB1s/RF ≤ 100.00. Alternatively, it may satisfy the following condition: 5.00 ≤ RB1s/RF ≤ 10.00. Alternatively, it may satisfy the following condition: 0.10 ≤ RB1s/RF ≤ 15.00.

In the contact lens 100 of the present invention, wherein the radius of curvature of the front surface 150 in the rounded area 140 is RF, and the radius of curvature of the rounded surface 160 in the rounded area 140 is RE, which can satisfy the following conditions: 1.00 ≤ RF/RE ≤ 1.00E+10. Thereby, the radius of curvature of the front surface 150 and the rounded surface 160 of the rounded corner area 140 of the optimally designed contact lens 100 can obtain the optimum thickness and surface shape of the rounded corner area 140, which helps to simplify the design and improve the Create sex and avoid damaging the cornea. Alternatively, it may satisfy the following condition: 0 ≤ RF/RE < infinity. Alternatively, it may satisfy the following condition: 10.00 ≤ RF/RE ≤ 1.00E+05. Alternatively, it may satisfy the following condition: 100.00 ≤ RF/RE ≤ 1000.00. Alternatively, it may satisfy the following condition: 120.00 ≤ RF/RE ≤ 250.00.

In the contact lens 100 of the present invention, wherein the radius of curvature of the front surface 150 in the rounded area 140 is RF, and the radius of curvature of the rounded surface 160 in the rounded area 140 is RE, which can satisfy the following conditions: 0≤1000×RE /RF < infinite. Thereby, the radius of curvature of the front surface 150 and the rounded surface 160 of the rounded corner area 140 of the optimally designed contact lens 100 can obtain the optimum thickness and surface shape of the rounded corner area 140, which helps to simplify the design and improve the Create sex and avoid damaging the cornea. Alternatively, it may satisfy the following condition: 1.00E-05 ≤ 1000×RE/RF ≤ 1.00E+10. Alternatively, it may satisfy the following condition: 0.01 ≤ 1000×RE/RF ≤ 100.00. Alternatively, it may satisfy the following condition: 0.10 ≤ 1000×RE/RF ≤ 10.00. Alternatively, it may satisfy the following condition: 1.00 ≤ 1000×RE/RF ≤ 10.00.

In the contact lens 100 of the present invention, wherein the radius of curvature of the rounded surface 160 in the rounded area 140 is RE, and the radius of curvature of the first supporting rear surface 171a in the rounded area 140 is RB1s, which can satisfy the following conditions: 0.10 ≤ RB1s/RE ≤ 1.00E+05. Thereby, the radius of curvature of the first supporting surface 171a of the rounded corner region 140 of the optimally designed contact lens 100 and the radius of curvature of the rounded corner surface 160 can obtain the best support and surface surface of the contact lens 100 attached to the cornea. Shape, help reduce corneal deformation and avoid corneal damage. Alternatively, it may satisfy the following condition: 0 ≤ RB1s/RE < infinity. Alternatively, it may satisfy the following condition: 1.00 ≤ RB1s/RE ≤ 100.00. Alternatively, it may satisfy the following condition: 5.00 ≤ RB1s/RE ≤ 10.00. Alternatively, it may satisfy the following condition: 10.00 ≤ RB1s/RE ≤ 1.00E+04.

In the contact lens 100 of the present invention, wherein the radius of curvature of the rounded surface 160 in the rounded area 140 is RE, and the radius of curvature of the first supporting rear surface 171a in the rounded area 140 is RB1s, which can satisfy the following conditions: 0 ≤ 1000×RE/RB1s ＜ Infinity. Thereby, the radius of curvature of the first supporting surface 171a of the rounded corner region 140 of the optimally designed contact lens 100 and the radius of curvature of the rounded corner surface 160 can obtain the best support and surface surface of the contact lens 100 attached to the cornea. Shape, help reduce corneal deformation and avoid corneal damage. Alternatively, it may satisfy the following condition: 1.00E-05 ≤ 1000×RE/RB1s ≤ 1.00E+10. Alternatively, it may satisfy the following condition: 0.01 ≤ 1000×RE/RB1s ≤ 100.00. Alternatively, it may satisfy the following condition: 0.10 ≤ 1000×RE/RB1s ≤ 10.00. Alternatively, it may satisfy the following condition: 0.10 ≤ 1000×RE/RB1s ≤ 25.00.

In the contact lens 100 of the present invention, wherein the radius of curvature of the rounded surface 160 in the rounded area 140 is RE, the radius of curvature of the front surface 150 in the rounded area 140 is RF, and the radius of curvature of the first supporting rear surface 171a is RB1s , which satisfies the following condition: 0 ≤ RB1s/(RF×RE) < infinity. Thereby, the radius of curvature of the first supporting rear surface 171a, the front surface 150 and the rounded corner surface 160 of the rounded corner region 140 of the optimally designed contact lens 100 can obtain the best supportability, thickness and surface shape. Help reduce corneal deformation, avoid corneal damage and improve wearing comfort. Alternatively, it may satisfy the following condition: 1.00E-08 ≤ RB1s/(RF×RE) ≤ 1.00E+05. Alternatively, it may satisfy the following condition: 0.10 ≤ RB1s/(RF×RE) ≤ 1000.00. Alternatively, it may satisfy the following condition: 5.00 ≤ RB1s/(RF×RE) ≤ 100.00. Alternatively, it may satisfy the following condition: 8.00 ≤ RB1s/(RF×RE) ≤ 1.00E+04.

In the contact lens 100 of the present invention, wherein the maximum width of the front surface 150 in the rounded area 140 is WRF, which can satisfy the following condition: 0.01 mm ≤ WRF ≤ 0.90 mm. In this way, the maximum width of the front surface 150 in the rounded corner area 140 of the optimally designed contact lens 100 can obtain the best thickness configuration range of the rounded corner area 140, which helps to strengthen the structural strength of the rounded corner area 140 and improve wearing comfort. Alternatively, it may satisfy the following condition: 0.005 mm ≤ WRF ≤ 1.00 mm. Alternatively, it may satisfy the following condition: 0.05 mm ≤ WRF ≤ 0.80 mm. Alternatively, it may satisfy the following condition: 0.10 mm ≤ WRF ≤ 0.70 mm. Alternatively, it may satisfy the following condition: 0.50 mm ≤ WRF ≤ 0.60 mm.

In the contact lens 100 of the present invention, the maximum width of the rounded surface 160 in the rounded area 140 is WRE, which can satisfy the following condition: 0.008 mm ≤ WRE ≤ 0.45 mm. In this way, the maximum width of the rounded surface 160 in the rounded corner area 140 of the optimally designed contact lens 100 can obtain the optimal configuration range of the rounded corner surface 160 and avoid the rounded corners from being too sharp, thereby enhancing the comfort of the contact lens 100 Rounded corner structure design and protect the cornea. Alternatively, it may satisfy the following condition: 0.005 mm ≤ WRE ≤ 0.55 mm. Alternatively, it may satisfy the following condition: 0.015 mm ≤ WRE ≤ 0.35 mm. Alternatively, it may satisfy the following condition: 0.025 mm ≤ WRE ≤ 0.25 mm. Alternatively, it may satisfy the following condition: 0.12 mm ≤ WRE ≤ 0.15 mm.

In the contact lens 100 of the present invention, wherein the maximum width among all supported posterior surfaces in the posterior surface 170 is WRBmax, it may satisfy the following condition: 0.005 mm ≤ WRBmax ≤ 1.00 mm. In detail, in the contact lens 100, the maximum width WRBmax among all the back surfaces 170 in the rounded area 140 can be the first back surface 171a, the second back surface 172a, the third back surface 173a, the maximum width of the fourth support rear surface 174a and the fifth support rear surface 175a, however, if the support rear surface of the rear surface 170 is formed by the first support rear surface 171a, the width of the first support rear surface 171a is the rear The largest width among all supported back surfaces in surface 170. Thereby, the maximum width of the rear surface 170 in the rounded corner region 140 of the optimally designed contact lens 100 can obtain the optimal surface shape design of the rear surface 170, and strengthen the balance between the surface support and the fluidity of the rounded corner region 140 . Alternatively, it may satisfy the following condition: 0 mm ≤ WRBmax ≤ 1.00 mm. Alternatively, it may satisfy the following condition: 0.02 mm ≤ WRBmax ≤ 0.80 mm. Alternatively, it may satisfy the following condition: 0.03 mm ≤ WRBmax ≤ 0.50 mm. Alternatively, it may satisfy the following condition: 0.05 mm ≤ WRBmax ≤ 0.30 mm.

In the contact lens 100 of the present invention, wherein the maximum width of the front surface 150 in the rounded area 140 is WRF, the maximum width of the rounded surface 160 in the rounded area 140 is WRE, and the maximum width of all supporting rear surfaces in the rear surface 170 The width is WRBmax, and the largest of WRF, WRE and WRBmax is WRMax, which can satisfy the following conditions: 0.20 mm ≤ WRMax ≤ 1.20 mm. In this way, the maximum width of the front surface 150 , the maximum width of the fillet surface 160 and the maximum width of the rear surface 170 in the rounded corner area 140 are designed in a balanced manner, which can enhance the structural strength, comfort and corneal protection effect. Alternatively, it may satisfy the following condition: 0.10 mm ≤ WRMax ≤ 1.50 mm. Alternatively, it may satisfy the following condition: 0.30 mm ≤ WRMax ≤ 0.95 mm. Alternatively, it may satisfy the following condition: 0.40 mm ≤ WRMax ≤ 0.85 mm. Alternatively, it may satisfy the following condition: 0.50 mm ≤ WRMax ≤ 0.75 mm.

In the contact lens 100 of the present invention, wherein the width of the rounded area 140 is WRZ, which can satisfy the following condition: 0.05 mm ≤ WRZ ≤ 1.20 mm. In detail, the width of the rounded corner area 140 is the width of the rounded corner area 140 from the peripheral edge of the peripheral area 130 to the peripheral edge of the contact lens 100 . In this way, the range of the rounded corner region 140 of the optimally designed contact lens 100 can enhance the support, structural strength, comfort and corneal protection effect. Alternatively, it may satisfy the following condition: 0.01 mm ≤ WRZ ≤ 1.50 mm. Alternatively, it may satisfy the following condition: 0.10 mm ≤ WRZ ≤ 0.95 mm. Alternatively, it may satisfy the following condition: 0.15 mm ≤ WRZ ≤ 0.75 mm. Alternatively, it may satisfy the following condition: 0.20 mm ≤ WRZ ≤ 0.45 mm.

In the contact lens 100 of the present invention, wherein the maximum diameter of the contact lens 100 is DiL, it may satisfy the following condition: 11.00 mm ≤ DiL ≤ 15.00 mm. In this way, the maximum diameter of the optimally designed contact lens 100 helps to avoid the problem that the contact lens 100 is too large to be difficult to wear, and too small to cause the contact lens to fall easily. Alternatively, it may satisfy the following condition: 12.00 mm ≤ DiL ≤ 14.50 mm. Alternatively, it may satisfy the following condition: 13.00 mm ≤ DiL ≤ 14.50 mm. Alternatively, it may satisfy the following condition: 14.00 mm ≤ DiL ≤ 14.50 mm. Alternatively, it may satisfy the following condition: 14.20 mm ≤ DiL ≤ 14.40 mm.

In the contact lens 100 of the present invention, wherein the maximum width of the front surface 150 in the rounded corner area 140 is WRF, and the maximum diameter of the contact lens 100 is DiL, which can satisfy the following conditions: 0.5%≤2×WRF/DiL≤12% . In this way, the maximum width of the front surface 150 in the rounded corner area 140 of the optimally designed contact lens 100 can obtain the best thickness configuration range of the rounded corner area 140, which helps to strengthen the structural strength of the rounded corner area 140 and improve wearing comfort. Alternatively, it may satisfy the following condition: 0.1% ≤ 2×WRF/DiL ≤ 15%. Alternatively, it may satisfy the following condition: 1% ≤ 2×WRF/DiL ≤ 10%. Alternatively, it may satisfy the following condition: 3% ≤ 2×WRF/DiL ≤ 8%. Alternatively, it may satisfy the following condition: 5% ≤ 2×WRF/DiL ≤ 7%.

In the contact lens 100 of the present invention, wherein the maximum width of the rounded surface 160 in the rounded area 140 is WRE, and the maximum diameter of the contact lens 100 is DiL, which can satisfy the following conditions: 0.1%≤2×WRE/DiL≤8 %. In this way, the maximum width of the rounded surface 160 in the rounded corner area 140 of the optimally designed contact lens 100 can obtain the optimal configuration range of the rounded corner surface 160 and avoid the rounded corners from being too sharp, thereby enhancing the comfort of the contact lens 100 Rounded corner structure design and protect the cornea. Alternatively, it may satisfy the following condition: 0.05% ≤ 2×WRE/DiL ≤ 10%. Alternatively, it may satisfy the following condition: 0.5% ≤ 2×WRE/DiL ≤ 5%. Alternatively, it may satisfy the following condition: 1% ≤ 2×WRE/DiL ≤ 4%. Alternatively, it may satisfy the following condition: 2% ≤ 2×WRE/DiL ≤ 3%.

In the contact lens 100 of the present invention, wherein the maximum width among all supported rear surfaces in the rear surface 170 is WRBmax, and the maximum diameter of the contact lens 100 is DiL, which may satisfy the following condition: 1%≤2×WRBmax/DiL≤14 %. Thereby, the maximum width of the rear surface 170 in the rounded corner region 140 of the optimally designed contact lens 100 can obtain the optimal surface shape design of the rear surface 170, and strengthen the balance between the surface support and the fluidity of the rounded corner region 140 . Alternatively, it may satisfy the following condition: 0.5% ≤ 2×WRBmax/DiL ≤ 15%. Alternatively, it may satisfy the following condition: 2% ≤ 2×WRBmax/DiL ≤ 13%. Alternatively, it may satisfy the following condition: 3% ≤ 2×WRBmax/DiL ≤ 12%. Alternatively, it may satisfy the following condition: 4% ≤ 2×WRBmax/DiL ≤ 11%.

In the contact lens 100 of the present invention, wherein the maximum width of the front surface 150 in the rounded area 140 is WRF, the maximum width of the rounded surface 160 in the rounded area 140 is WRE, and the maximum width of all supporting rear surfaces in the rear surface 170 The width is WRBmax, the largest of WRF, WRE and WRBmax is WRMax, and the width of the fillet area 140 is WRZ, which can satisfy the following condition: 45% ≤ WRMax/WRZ ≤ 100%. In this way, the maximum width of the front surface 150 , the maximum width of the fillet surface 160 and the maximum width of the rear surface 170 in the rounded corner area 140 are designed in a balanced manner, which can enhance the structural strength, comfort and corneal protection effect. Alternatively, it may satisfy the following condition: 55% ≤ WRMax/WRZ ≤ 90%. Alternatively, it may satisfy the following condition: 65% ≤ WRMax/WRZ ≤ 80%. Alternatively, it may satisfy the following condition: 55% ≤ WRMax/WRZ ≤ 70%.

In the contact lens 100 of the present invention, the width of the rounded area 140 is WRZ, and the maximum diameter of the contact lens 100 is DiL, which can satisfy the following condition: 1% ≤ 2×WRZ/DiL ≤ 14%. In detail, the width WRZ of the rounded corner area 140 is less than 15% of the diameter of the contact lens 100, and when the radius of curvature of the first supporting rear surface 171a is equal to the base curve of the contact lens 100, the lens unit The 7.5% position from the outermost edge to the inner side serves as the inner boundary of the fillet area 140 . In this way, the range of the rounded corner region 140 of the optimally designed contact lens 100 can enhance the support, structural strength, comfort and corneal protection effect. Alternatively, it may satisfy the following condition: 0.5% ≤ 2×WRZ/DiL ≤ 15%. Alternatively, it may satisfy the following condition: 3% ≤ 2×WRZ/DiL ≤ 11%. Alternatively, it may satisfy the following condition: 5% ≤ 2×WRZ/DiL ≤ 9%. Alternatively, it may satisfy the following condition: 7% ≤ 2×WRZ/DiL ≤ 8%.

In the contact lens 100 of the present invention, the rear surface 170 may further include at least one channel rear surface (not otherwise labeled). At least one channel of the posterior surface 170 The posterior surface is the channel surface of the posterior surface 170 , which is farther away from the cornea. It is mainly responsible for the fluidity between the contact lens 100 and the cornea, and improves the fluidity of the thin layer of tears inside and outside the contact lens 100 . In this way, it helps to promote the flow and exchange of the thin layer of tear fluid, and can provide tear fluid through the closing pressure of the upper eyelid when blinking, and close from top to bottom to provide tear fluid from the outside to squeeze between the contact lens 100 and the cornea through one side flow channel The inside, and then flows out through the other side of the flow channel for exchange, which helps to improve the oxygen exchange efficiency and moisturizing effect of the cornea covered by the contact lens 100 .

In the contact lens 100 of the present invention, as shown in FIG. 1C , at least the rear channel surface adjacent to the rounded corner surface 160 in the rounded corner region 140 is the first channel rear surface 171b. In this way, the contact lens 100 can further have a flow channel design with tear fluid exchange function, so as to improve the tear fluid exchange effect between the contact lens 100 and the eyes. The radius of curvature of the rear surface 171b of the first flow channel is RB1f, which can satisfy the following condition: 0≦RB1f<infinity. Thereby, the radius of curvature of the first flow channel rear surface 171b of the rounded corner region 140 of the optimally designed contact lens 100 can optimize the surface shape of the first flow channel rear surface 171b, which helps to promote the thin layer of tear fluid inside and outside the contact lens 100 Fluidity to and from the corner of the eye. When the upper limit falls outside the range, the back surface of the flow channel may not be able to adjoin smoothly, resulting in difficulties in design and manufacture; while outside the lower limit range, the shape of the flow channel may be poor, resulting in insufficient tear flow. Alternatively, it may satisfy the following condition: 0.10 ≤ RB1f ≤ 1.00E+10. Alternatively, it may satisfy the following condition: 0.50 ≤ RB1f ≤ 10.00. Alternatively, it may satisfy the following condition: 1.00 ≤ RB1f ≤ 5.00.

In the contact lens 100 of the present invention, the front surface 150, the rounded surface 160 and the first flow channel rear surface 171b can form a continuous spherical design, wherein all the flow channel rear surfaces in the rear surface 170 can be spherical, aspheric or flat. In this way, optimal design of multiple flow channel rear surfaces of the rounded corner region 140 of the contact lens 100 in a spherical, aspheric or planar shape, and adjustment of the optimal configuration of the flow channel rear surface can help improve the tear flow of the contact lens 100 . Alternatively, at least one of all the rear surfaces of the flow channels other than the first flow channel rear surface 171b in the rear surface 170 is a spherical surface. Alternatively, at least one of all the rear surfaces of the flow channels other than the first flow channel rear surface 171b in the rear surface 170 is aspherical. Alternatively, at least one of all the rear surfaces of the flow channels other than the first flow channel rear surface 171b in the rear surface 170 is a plane. Alternatively, at least one of all the runner rear surfaces other than the first runner rear surface 171b in the rear surface 170 is spherical and at least one is aspheric. Alternatively, at least two of all the rear surfaces of the flow channels other than the first flow channel rear surface 171b in the rear surface 170 are spherical. Alternatively, at least two of all the rear surfaces of the flow channels other than the first flow channel rear surface 171b in the rear surface 170 are aspherical. Alternatively, at least two of all the rear surfaces of the flow channels other than the first flow channel rear surface 171b in the rear surface 170 are planes. Alternatively, at least one of all the runner rear surfaces other than the first runner rear surface 171b in the rear surface 170 is a spherical surface and at least one is a plane. Alternatively, at least three of all the rear surfaces of the flow channels other than the first flow channel rear surface 171b in the rear surface 170 are planes. Alternatively, at least one of all flow channel rear surfaces other than the first flow channel rear surface 171 b in the rear surface 170 is aspherical and at least one is a plane. Alternatively, at least four of all the rear surfaces of the flow channels other than the first flow channel rear surface 171b in the rear surface 170 are planes. Alternatively, at least one of all flow channel rear surfaces other than the first flow channel rear surface 171b in the rear surface 170 is spherical, at least one is aspheric and at least one is plane.

In the embodiment shown in FIG. 1C , the rear surface of the flow channel of the rear surface 170 of the contact lens 100 can be a first flow channel rear surface 171 b, a second flow channel rear surface 172 b, a second flow channel rear surface 172 b, A third channel rear surface 173b, a fourth channel rear surface 174b and a fifth channel rear surface 175b, but the invention is not limited thereto. Furthermore, in Figure 1C, the lines between the first flow channel rear surface 171b, the second flow channel rear surface 172b, the third flow channel rear surface 173b, the fourth flow channel rear surface 174b and the fifth flow channel rear surface 175b are only for illustration The scope of the rear surfaces of the five runners is not limited in the present invention.

In the contact lens 100 of the present invention, the curvature radii of the first support rear surface 171a and the first flow channel rear surface 171b may be equal to the base arc of the contact lens 100, but the support rear surfaces other than the first support rear surface 171a and the non-first flow channel rear surface The radius of curvature of the back surface of the flow channel of the surface 171 b is not equal to the base curve of the contact lens 100 .

In the contact lens 100 of the present invention, the contact lens 100 may have a rotationally stable structure, and at least one channel rear surface in the rounded corner region 140 may be configured asymmetrically. In this way, it is helpful to maintain the position of the asymmetric flow channel, promote the flow and exchange of the thin layer of tear fluid with the position of the asymmetric flow channel, and provide more tear fluid to flow into the lens from the upper part, and then flow out through the lower part, or lift through more flow channels Fluidity, in order to facilitate the flow and exchange of tear thin layer.

Please refer to FIG. 2 , which is a schematic diagram of a user wearing the contact lens 100 in FIG. 1A . As shown in Figure 2, the support rear surface of the rear surface 170 forms a support area 170A, and the rear surface of the flow channel of the rear surface 170 forms a flow channel area 170B. The support area 170A does not overlap with the flow channel area 170B, and the support area 170A and the flow channel There is a transition zone 170C having an appropriate width between the zones 170B, and the transition zone 170C is used to smoothly connect the support zone 170A and the channel zone 170B. When looking down on the contact lens 100, on the ring of the rounded corner area 140, the number can be designed as symmetrical even numbers, balanced odd numbers, asymmetric odd numbers or asymmetric even numbers, such as the frontal side is more than the lip side, The lip side is more than the frontal side, the temporal side is more than the nasal side, and the nasal side is more than the temporal side. The position can be designed symmetrically or asymmetrically, and the width can be adjusted according to the needs, which helps to enhance the More tears flow into the lens from the upper part, and then use the lower part as an outflow port, or through a wider flow channel to improve the fluidity, and through the closing pressure of the upper eyelid when blinking, the tears are closed from top to bottom to provide tears through one side of the channel. The outside is squeezed to the inside between the contact lens 100 and the cornea, and then flows out through the flow channel on the other side for exchange, which helps to improve the oxygen exchange efficiency and moisturizing effect of the cornea covered by the contact lens 100 . In addition, in the embodiment shown in FIG. 2 , the support area 170A, the flow channel area 170B and the transition area 170C can also be provided in plural, but the present invention is not limited thereto.

All the technical features of the above-mentioned contact lens of the present invention can be configured in combination to achieve corresponding effects.

According to the contact lens of the present invention, the contact lens can be an astigmatism correcting contact lens. Thereby, effective corrective treatment for astigmatism patients can be provided to provide clear vision.

According to the contact lens of the present invention, the contact lens can be a multifocal contact lens for controlling, slowing down, delaying or preventing the aggravation of myopia. Thereby, the effect of myopia control and mitigation can be provided, and the problem of deepening myopia of patients can be controlled.

According to the contact lens of the present invention, the contact lens can be a continuous zoom multifocal contact lens. In this way, the smooth zoom design can have a relatively gentle change in diopter, which helps the clarity of peripheral vision and reduces the possibility of dizziness.

According to the contact lens of the present invention, the contact lens can be a myopia correction contact lens, a hyperopia correction contact lens or a presbyopia correction contact lens. Thereby, it is possible to provide effective corrective treatment for myopia, hypermetropia or presbyopia to provide clear vision. Alternatively, the contact lens of the present invention may be a corneal reshaping contact lens.

The radius of curvature mentioned in the present invention is defined by the section plane passing through the center point of the contact lens, and the width is measured and calculated by the vertical distance of the optical axis passing through the center point of the contact lens.

The diopter of the contact lens mentioned in the present invention is represented by D value, such as the central diopter of the lens for correcting myopia is a negative value, and the central diopter of a lens for correcting hyperopia is a positive value.

The aggravation of myopia mentioned in the present invention refers to the deepening of myopia, and the greater the absolute value of the negative diopter, such as -0.5D aggravation/deepening to -2.0D.

The front surface of the contact lens mentioned in the present invention refers to the surface away from the cornea of the eye, and the back surface refers to the surface close to the cornea of the eye.

The surface shape of the contact lens described in the present invention changes such as spherical (Spheric), plane (Plane) or aspheric (Aspheric), and the shape of the curved surface viewed through the center shall prevail.

The contact lens described in the present invention can be the colored lens that at least two layers are formed; The colored contact lens can be made up of two layers, as the lens body layer and the color layer; layer and anti-shedding protective layer; colored contact lenses can be composed of four layers, such as lens body layer, first color layer, second color layer and anti-shedding protective layer. The color contact lens can be composed of five layers, such as a lens body layer, a first color layer, a second color layer, a third color layer and an anti-shedding protective layer. The colored contact lens can be composed of another five layers, such as a lens body layer, a first color layer, a separation layer, a second color layer and an anti-shedding protective layer.

The hydrogel for preparing contact lenses described in the present invention can be, but not limited to, contact lens materials classified by the U.S. Food and Drug Administration into Group 1, that is, non-ionic polymeric materials with low water content (less than 50% by weight). Nonionic polymers, such as Helfilcon A&B, Hioxifilcon B, Mafilcon, Polymacon, Tefilcon, Tetrafilcon A, etc. Alternatively, the aforementioned hydrogel can be a contact lens material classified into Group 2 by the U.S. Food and Drug Administration, that is, a nonionic polymer with a high water content (greater than 50 weight percent), such as Acofilcon A, Alfafilcon A, Hilafilcon B, Hioxifilcon A, Hioxifilcon B, Hioxifilcon D, Nelfilcon A, Nesofilcon A, Omafilcon A, Samfilcon A, etc. Alternatively, the aforementioned hydrogel can be a contact lens material classified into Group 3 by the U.S. Food and Drug Administration, that is, an ionic polymer with a low water content (less than 50% by weight), such as Deltafilcon A, etc. . Alternatively, the aforementioned hydrogel can be a contact lens material of Group 4 classified by the U.S. Food and Drug Administration, that is, an ionic polymer with a high water content (greater than 50 weight percent), such as Etafilcon A, Focofilcon A, Methafilcon A, Methafilcon B, Ocufilcon A, Ocufilcon B, Ocufilcon C, Ocufilcon D, Ocufilcon E, Phemfilcon A, Vifilcon A, etc.

The silicone hydrogel of the contact lens described in the present invention can be, but not limited to, classified into Group 5 contact lens materials by the US Food and Drug Administration (USFDA), such as Balafilcon A, Comfilcon A, Efrofilcon A, Enfilcon A, Galyfilcon A, Lotrafilcon A, Lotrafilcon B, Narafilcon A, Narafilcon B, Senofilcon A, Delefilcon A, Somofilcon A, etc.

The rotation-stabilizing structure of the contact lens described in the present invention can be a thickening and vertical weighting design at the bottom, a balanced design with thickening on both sides, a thinning and stabilizing design at the top and bottom, and the like.

The present invention provides a contact lens product, comprising the aforementioned contact lens, a buffer solution and a package. The contact lens is soaked in the buffer solution, and the contact lens and the buffer solution are accommodated in the package. Wherein, the contact lens contains a beneficial agent (Beneficial agents), a wetting agent (Wetting agent), a pigment (Dye) or a myopia control agent (Myopia control agent). In this way, adding beneficial agents can provide eye antibacterial, therapeutic and nourishing effects; adding humectants can improve moisturizing, hydrophilic and lubricating effects; adding pigments can provide shading, stray light elimination and aesthetic effects; adding myopia control agents can improve myopia control and mitigation effects.

The present invention further provides a contact lens product, comprising the aforementioned contact lens, a buffer solution and a package. The contact lens is soaked in the buffer solution, and the contact lens and the buffer solution are accommodated in the package. Wherein, the buffer solution contains a beneficial agent, a wetting agent, a pigment or a myopia control agent. In this way, adding beneficial agents can provide eye antibacterial, therapeutic and nourishing effects, adding humectants can improve moisturizing, hydrophilic and lubricating effects, and adding myopia control agents can provide myopia control and mitigation effects.

The contact lens or buffer solution described in the present invention may contain: monomer (Monomer), UV absorber (UV Absorber), blue light absorber (Blue Absorber), benefit agent, wetting agent, pigment, myopia control agent, Weak acid and its conjugate base salt (Acid and its conjugate base), weak base and its conjugate acid salt (Base and its conjugate acid), anionic agent (Anionic agent), cationic agent (Cationic agent) and others Aids, the packaging can be made of a plastic container and an aluminum foil cover, and the plastic container can be made of polypropylene (PP; Polypropylene), polystyrene (PS; Polystyrene), polyethylene terephthalate (PET; Polyethylene terephthalate) or other Made of plastic material, the aluminum foil upper cover can be made of composite aluminum foil with plastic coating.

The monomer of the contact lens described in the present invention may include: hydroxyethyl methacrylate (HEMA; 2-Hydroxyethyl methacrylate), methacrylic acid (MAA; Methacrylic Acid), 2-methyl-2-acrylic acid-2, 3-dihydroxypropyl ester (GMA; Glycerol monomethacrylate), N-vinyl-2-pyrrolone (NVP; N-Vinyl-2-pyrrolidinone), methyl methacrylate (MMA; Methyl methacrylate), N,N- Dimethacrylamide (DMAA; N,N-Dimethyl Acrylamide) and the like.

The UV absorber of the contact lens described in the present invention can comprise: 2-[2-hydroxyl-5-[2-(methacryloxy) ethyl] phenyl]-2H-benzotriazole (2- (2'-Hydroxy-5'-methacryloxyethylphenyl)-2H-benzotriazole), 2-(4-benzoyl-3-hydroxyphenoxy)ethyl 2-acrylate (2-(4-Benzoyl-3-hydroxyphenoxy ) ethyl acrylate) etc.

The blue light absorbing agent of the contact lens in the present invention may include: tetraphenyl dimethacrylate (4-(phenyldiazenyl) phenyl methacrylate) and the like.

The beneficial agents of the contact lenses described in the present invention may include: Antibotic, Bacteriostatic agent, Antiviral agent, Antifungal drugs, Antiallergic agent ), Steroids, NSAIDs, Surfactants, Miotics, Enzyme Inhibitors, Anaesthetics, Vasoconstrictors, Vitamins (Vitamin), Antioxidant, Nutrient, etc.

The wetting agent of the contact lens in the present invention may include: 2-methacryloyloxyphosphorylcholine (MPC; 2-Methacryloyloxyphosphorylcholine), hyaluronic acid (Hyaluronic Acid) and the like.

The pigment of the contact lens described in the present invention may include: Anthocyanidin, Beta-Carotene, Curcumin, Luciferin, Lutein, Solanum Lycopene, Phycobillin, Phycoerythrim, Phycocyanin, Vitamin B2, Zeaxanthin, Photochromic dyes , Thermochromic dyes, etc., and their derivatives.

The myopia control agent of the contact lens described in the present invention can comprise: Cycloplegic agent, mydriasis agent (mydriatic agent), selective/non-selective muscarinic receptor antagonist etc., have control, slow down , Delay or prevent the effect of aggravation of myopia, for example, by blocking the M-type muscarinic receptors of the parasympathetic nerve, it can relax and paralyze the ciliary muscle that controls the pupil, thereby dilating the pupil. Such as atropine (Atropine; (3-endo)-8-Methyl-8-azabicyclo[3.2.1]oct-3-yltropate), atropine sulfate (Atropine sulfate), cyclopentolamine ester (Cyclopentolate; 2-(Dimethylamino )ethyl(1-hydroxycyclopentyl)(phenyl)acetate), Cyclopentolate HCl, Eucatropine (Eucatropine; 1,2,2,6-Tetramethyl-4-piperidinylhydroxy(phenyl)acetate), later Matropine (Homatropine; (3-endo)-8-Methyl-8-azabicyclo[3.2.1]oct-3-ylhydroxy(phenyl)acetate), Nuvenzepine, Phenylephrine hydrochloride HCl), Pirenzepine, Raceanisodamine, Rispenzepine, Scopolamine; (1R,2R,4S,5S,7s)-9-Methyl-3- oxa-9-azatricyclo[3.3.1.02,4]non-7-yl(2S)-3-hydroxy-2-phenylpropanoate), Scopolamine HBr, Telenzepine and Tropone Picamide (Tropicamide; N-Ethyl-3-hydroxy-2-phenyl-N-(4-pyridinylmethyl)propanamide), etc., and salts thereof.

Other beneficial agents of the contact lenses described in the present invention may include: Apomorphine, Bromocriptine, Dopamine receptor agonist (Dopamine), Levodopa (Levodopa), or quinipril Luo (Quinpirole) et al.

All the technical features of the above-mentioned contact lens of the present invention can be configured in combination to achieve corresponding effects.

According to the above-mentioned implementation manners, specific embodiments are proposed below and described in detail with reference to the drawings.

<First embodiment>

Please refer to Figure 3A, Figure 3B and Figure 3C, Figure 3A is a schematic diagram of a contact lens 200 according to the first embodiment of the present invention, Figure 3B is a diagram showing the cut surface of the contact lens 200 in Figure 3A The cross-sectional schematic diagram of line 3b-3b, FIG. 3C is an enlarged schematic diagram of the rounded corner area 240 of the contact lens 200 in FIG. 3B. The contact lens 200 includes a central area (not shown), an annular area (not shown), a peripheral area (not shown) and a rounded corner area 240 from the center to the outside.

The rounded area 240 includes a front surface 250 , a rounded surface 260 and a rear surface 270 , wherein the rounded surface 260 adjoins the front surface 250 and the rear surface 270 , and the rear surface 270 includes at least one supporting rear surface (not otherwise labeled). As shown in Figure 3C, in the first embodiment, the rear surface 270 only includes a support rear surface, so the support rear surface in the first embodiment is the first support rear surface (that is, the first embodiment The support rear surface is formed by the first support rear surface, and the first support rear surface will be described below), and the first support rear surface is adjacent to the rounded surface 260 . The radius of curvature of the rounded surface 260 in the rounded area 240 is RE, the radius of curvature of the front surface 250 in the rounded area 240 is RF, the radius of curvature of the first support rear surface is RB1s, and the RE, RF, The values and designs of RB1s, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters are recorded in Table 1. Table I RE 0.650 RF/RE 216.60 RF 0.003 1000×RE/RF 4.62 RB1s 8.700 RB1s/RE 2.90E+03 RF/RB1s 0.07 1000×RE/RB1s 0.34 RB1s/RF 13.39 RB1s/(RF×RE) 4.46E+03

In the first embodiment, the maximum width of the front surface 250 in the fillet area 240 is WRF, the maximum width of the fillet surface 260 in the fillet area 240 is WRE, and the maximum width of all supporting rear surfaces in the rear surface 270 is WRBmax (i.e. the width of the first support rear surface in the first embodiment), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded area 240 is WRZ, the maximum diameter of the contact lens 200 is DiL, and the first embodiment The value and design of parameters such as WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL are recorded in the table Second middle school. Table II WRF (mm) 0.06 2×WRF/DiL (%) 0.84 WRE (mm) 0.01 2×WRE/DiL (%) 0.14 WRBmax (mm) 1.00 2×WRBmax/DiL (%) 13.99 WRMax (mm) 1.00 WRMax/WRZ (%) 100.00 WRZ (mm) 1.00 2×WRZ/DiL (%) 13.99 DiL (mm) 14.30

<Second embodiment>

Please refer to Figure 4A, Figure 4B and Figure 4C, Figure 4A is a schematic diagram of a contact lens 300 according to the second embodiment of the present invention, Figure 4B is a diagram showing the cut surface of the contact lens 300 in Figure 4A The cross-sectional schematic diagram of line 4b-4b, FIG. 4C is an enlarged schematic diagram of the rounded corner area 340 of the contact lens 300 in FIG. 4B. The contact lens 300 includes a central area (not shown), an annular area (not shown), a peripheral area (not shown) and a rounded corner area 340 from the center to the outside.

The rounded area 340 includes a front surface 350 , a rounded surface 360 and a rear surface 370 , wherein the rounded surface 360 adjoins the front surface 350 and the rear surface 370 , and the rear surface 370 includes at least one supporting rear surface (not otherwise labeled). As shown in Figure 4C, in the second embodiment, the rear surface 370 only includes a support rear surface, so that the support rear surface in the second embodiment is the first support rear surface (that is, the second embodiment The support rear surface is formed by the first support rear surface, and the first support rear surface will be described below), and the first support rear surface is adjacent to the rounded surface 360 . The radius of curvature of the rounded surface 360 in the rounded area 340 is RE, the radius of curvature of the front surface 350 in the rounded area 340 is RF, the radius of curvature of the first support rear surface is RB1s, and the RE, RF, The values and designs of RB1s, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters are recorded in Table 3. Table three RE 1.380 RF/RE 276.00 RF 0.005 1000×RE/RF 3.62 RB1s 8.700 RB1s/RE 1.74E+03 RF/RB1s 0.16 1000×RE/RB1s 0.57 RB1s/RF 6.30 RB1s/(RF×RE) 1.26E+03

In the second embodiment, the maximum width of the front surface 350 in the fillet area 340 is WRF, the maximum width of the fillet surface 360 in the fillet area 340 is WRE, and the maximum width of all supporting rear surfaces in the rear surface 370 is WRBmax (i.e. the width of the first support rear surface in the second embodiment), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded corner area 340 is WRZ, the maximum diameter of the contact lens 300 is DiL, and the second embodiment The value and design of parameters such as WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL are recorded in the table Fourth. Table four WRF (mm) 0.06 2×WRF/DiL (%) 0.84 WRE (mm) 0.01 2×WRE/DiL (%) 0.14 WRBmax (mm) 1.00 2×WRBmax/DiL (%) 13.99 WRMax (mm) 1.00 WRMax/WRZ (%) 100.00 WRZ (mm) 1.00 2×WRZ/DiL (%) 13.99 DiL (mm) 14.30

<Third embodiment>

Please refer to FIG. 5A, FIG. 5B and FIG. 5C, FIG. 5A is a schematic diagram of a contact lens 400 according to the third embodiment of the present invention, and FIG. 5B shows the cut surface of the contact lens 400 in FIG. 5A The cross-sectional schematic diagram of line 5b-5b, FIG. 5C is an enlarged schematic diagram of the rounded corner area 440 of the contact lens 400 in FIG. 5B. The contact lens 400 includes a central area (not shown), an annular area (not shown), a peripheral area (not shown) and a rounded corner area 440 from the center to the outside.

The rounded area 440 includes a front surface 450 , a rounded surface 460 and a rear surface 470 , wherein the rounded surface 460 is adjacent to the front surface 450 and the rear surface 470 , and the rear surface 470 includes at least one supporting rear surface (not otherwise labeled). As shown in Figure 5C, in the third embodiment, the supporting rear surface of the rear surface 470 only includes a supporting rear surface, so that the supporting rear surface in the third embodiment is the first supporting rear surface (that is, The support rear surface of the third embodiment is formed by the first support rear surface, which will be described below as the first support rear surface), and the first support rear surface is adjacent to the rounded surface 460 . The radius of curvature of the rounded surface 460 in the rounded area 440 is RE, the radius of curvature of the front surface 450 in the rounded area 440 is RF, the radius of curvature of the first support rear surface is RB1s, and the RE, RF, The values and designs of RB1s, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters are recorded in Table 5. Table five RE 0.650 RF/RE 129.96 RF 0.005 1000×RE/RF 7.69 RB1s 0.837 RB1s/RE 167.48 RF/RB1s 0.78 1000×RE/RB1s 5.97 RB1s/RF 1.29 RB1s/(RF×RE) 257.74

In the third embodiment, the maximum width of the front surface 450 in the fillet area 440 is WRF, the maximum width of the fillet surface 460 in the fillet area 440 is WRE, and the maximum width of all supporting rear surfaces in the rear surface 470 is WRBmax (i.e. the width of the first support rear surface in the third embodiment), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded corner region 440 is WRZ, the maximum diameter of the contact lens 400 is DiL, and the third embodiment The value and design of parameters such as WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL are recorded in the table six middle school. Table six WRF (mm) 0.06 2×WRF/DiL (%) 0.84 WRE (mm) 0.01 2×WRE/DiL (%) 0.14 WRBmax (mm) 0.22 2×WRBmax/DiL (%) 3.08 WRMax (mm) 0.22 WRMax/WRZ (%) 100.00 WRZ (mm) 0.22 2×WRZ/DiL (%) 3.08 DiL (mm) 14.30

<Fourth embodiment>

Please refer to Figure 6A, Figure 6B and Figure 6C, Figure 6A is a schematic diagram of a contact lens 500 according to the fourth embodiment of the present invention, Figure 6B is a diagram showing the cut surface of the contact lens 500 in Figure 6A The cross-sectional schematic diagram of line 6b-6b, FIG. 6C is an enlarged schematic diagram of the rounded corner area 540 of the contact lens 500 in FIG. 6B. The contact lens 500 includes a central area (not shown), an annular area (not shown), a peripheral area (not shown) and a rounded corner area 540 from the center to the outside.

The rounded area 540 includes a front surface 550 , a rounded surface 560 and a rear surface 570 , wherein the rounded surface 560 adjoins the front surface 550 and the rear surface 570 , and the rear surface 570 includes at least one supporting rear surface (not otherwise labeled). As shown in Figure 6C, in the fourth embodiment, the supporting rear surface of the rear surface 570 only includes a supporting rear surface, so that the supporting rear surface in the fourth embodiment is the first supporting rear surface (that is, The support rear surface of the fourth embodiment is formed by the first support rear surface, which will be described below as the first support rear surface), and the first support rear surface is adjacent to the rounded surface 560 . The radius of curvature of the rounded surface 560 in the rounded area 540 is RE, the radius of curvature of the front surface 550 in the rounded area 540 is RF, the radius of curvature of the first support rear surface is RB1s, and the RE, RF, The values and designs of parameters such as RB1s, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) are recorded in Table 7. Table Seven RE 5.280 RF/RE 293.33 RF 0.018 1000×RE/RF 3.41 RB1s 0.837 RB1s/RE 46.52 RF/RB1s 6.31 1000×RE/RB1s 21.50 RB1s/RF 0.16 RB1s/(RF×RE) 8.81

In the fourth embodiment, the maximum width of the front surface 550 in the fillet area 540 is WRF, the maximum width of the fillet surface 560 in the fillet area 540 is WRE, and the maximum width of all supporting rear surfaces in the rear surface 570 is WRBmax (i.e. the width of the first support rear surface in the fourth embodiment), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded area 540 is WRZ, the maximum diameter of the contact lens 500 is DiL, and the fourth embodiment The value and design of parameters such as WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL are recorded in the table Eighth middle school. table eight WRF (mm) 0.08 2×WRF/DiL (%) 1.12 WRE (mm) 0.03 2×WRE/DiL (%) 0.42 WRBmax (mm) 0.20 2×WRBmax/DiL (%) 2.80 WRMax (mm) 0.20 WRMax/WRZ (%) 100.00 WRZ (mm) 0.20 2×WRZ/DiL (%) 2.80 DiL (mm) 14.30

<Fifth Embodiment>

Please refer to Fig. 7A, Fig. 7B and Fig. 7C, Fig. 7A is a schematic diagram of a contact lens 600 according to the fifth embodiment of the present invention, and Fig. 7B is a diagram showing the cut surface of the contact lens 600 in Fig. 7A The cross-sectional schematic diagram of line 7b-7b, FIG. 7C is an enlarged schematic diagram of the rounded corner region 640 of the contact lens 600 in FIG. 7B. The contact lens 600 includes a central area (not shown), an annular area (not shown), a peripheral area (not shown) and a rounded corner area 640 from the center to the outside.

The rounded area 640 includes a front surface 650 , a rounded surface 660 and a rear surface 670 , wherein the rounded surface 660 adjoins the front surface 650 and the rear surface 670 , and the rear surface 670 includes at least one supporting rear surface (not otherwise labeled). As shown in Figure 7C, in the fifth embodiment, the supporting rear surface of the rear surface 670 only includes a supporting rear surface, so that the supporting rear surface in the fifth embodiment is the first supporting rear surface (that is, The support rear surface of the fifth embodiment is formed by the first support rear surface, which will be described below as the first support rear surface), and the first support rear surface is adjacent to the rounded surface 660 . The radius of curvature of the rounded surface 660 in the rounded area 640 is RE, the radius of curvature of the front surface 650 in the rounded area 640 is RF, the radius of curvature of the rear surface of the first support is RB1s, and RE, RF, The values and designs of parameters such as RB1s, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) are recorded in Table 9. Table nine RE 4.060 RF/RE 135.33 RF 0.030 1000×RE/RF 7.39 RB1s 8.700 RB1s/RE 290.00 RF/RB1s 0.47 1000×RE/RB1s 3.45 RB1s/RF 2.14 RB1s/(RF×RE) 71.43

In the fifth embodiment, the maximum width of the front surface 650 in the fillet area 640 is WRF, the maximum width of the fillet surface 660 in the fillet area 640 is WRE, and the maximum width of all supporting rear surfaces in the rear surface 670 is WRBmax (i.e. the width of the first support rear surface in the fifth embodiment), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded corner region 640 is WRZ, the maximum diameter of the contact lens 600 is DiL, and the fifth embodiment The value and design of parameters such as WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL are recorded in the table ten middle school. table ten WRF (mm) 0.32 2×WRF/DiL (%) 4.48 WRE (mm) 0.05 2×WRE/DiL (%) 0.70 WRBmax (mm) 1.00 2×WRBmax/DiL (%) 13.99 WRMax (mm) 1.00 WRMax/WRZ (%) 100.00 WRZ (mm) 1.00 2×WRZ/DiL (%) 13.99 DiL (mm) 14.30

<Sixth embodiment>

The contact lens (not shown) of the sixth embodiment includes a central area, an annular area, a peripheral area and a rounded corner area in order from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface, and the rear surface includes a supporting rear surface.

In the contact lens of the sixth embodiment, the support rear surface of the rear surface only includes a support rear surface, so that the support rear surface in the sixth embodiment is the first support rear surface (that is, the support rear surface of the sixth embodiment The support rear surface is formed by the first support rear surface, and the first support rear surface will be described below), and the first support rear surface is adjacent to the fillet surface. The radius of curvature of the fillet surface in the fillet area is RE, the radius of curvature of the front surface in the fillet area is RF, the radius of curvature of the first support rear surface is RB1s, and RE, RF, RB1s, RF/ The numerical value and design of RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters are recorded in Table 11. Table Eleven RE 0.476 RF/RE 158.67 RF 0.003 1000×RE/RF 6.30 RB1s 0.089 RB1s/RE 29.53 RF/RB1s 5.37 1000×RE/RB1s 33.86 RB1s/RF 0.19 RB1s/(RF×RE) 62.04

In the contact lens of the sixth embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax (in In the sixth embodiment, the width of the first support rear surface), the largest of WRF, WRE, and WRBmax is WRMax, the width of the rounded corner area is WRZ, and the maximum diameter of the contact lens is DiL, and the WRF, WRE, and WRBmax of the sixth embodiment are DiL. The values and designs of WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL and other parameters are recorded in Table 12. Table 12 WRF (mm) 0.06 2×WRF/DiL (%) 0.84 WRE (mm) 0.01 2×WRE/DiL (%) 0.14 WRBmax (mm) 0.06 2×WRBmax/DiL (%) 0.84 WRMax (mm) 0.06 WRMax/WRZ (%) 100.00 WRZ (mm) 0.06 2×WRZ/DiL (%) 0.84 DiL (mm) 14.30

<Seventh embodiment>

The contact lens (not shown) of the seventh embodiment sequentially includes a central area, an annular area, a peripheral area and a rounded corner area from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the seventh embodiment, the rear surface includes two supporting rear surfaces, and the two supporting rear surfaces face the center point of the contact lens from the rounded corner to the first supporting rear surface and the second supporting rear surface, and the first supporting rear surface Adjacent to the fillet face.

In the contact lens of the seventh embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the rear surface of the first support is RB1s, and the second support The radius of curvature of the rear surface is RB2s, while RE, RF, RB1s, RB2s, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, The values and designs of parameters such as RB1s/(RF×RE) are recorded in Table 13. Table 13 RE 0.403 RF/RE 7.50 RF 0.054 1000×RE/RF 133.37 RB1s 0.171 RB1s/RE 3.18 RB2 0.04 1000×RE/RB1s 314.62 RF/RB1s 2.36 RB1s/(RF×RE) 7.88 RB1s/RF 0.42

In the contact lens of the seventh embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax (in In the seventh embodiment, the largest of the widths of the first support rear surface and the second support rear surface), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded area is WRZ, and the maximum diameter of the contact lens is DiL , while the values of WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL and other parameters of the seventh embodiment and design are reported in Table XIV. Table Fourteen WRF (mm) 0.17 2×WRF/DiL (%) 2.32 WRE (mm) 0.09 2×WRE/DiL (%) 1.26 WRBmax (mm) 0.07 2×WRBmax/DiL (%) 0.98 WRMax (mm) 0.17 WRMax/WRZ (%) 97.59 WRZ (mm) 0.17 2×WRZ/DiL (%) 2.38 DiL (mm) 14.30

<Eighth embodiment>

The contact lens (not shown) of the eighth embodiment includes a central area, an annular area, a peripheral area and a rounded corner area in order from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the eighth embodiment, the rear surface includes three supporting rear surfaces, and the three supporting rear surfaces face the center point of the contact lens from the rounded corners in sequence as the first supporting rear surface, the second supporting rear surface and the third supporting rear surface, And the first support rear surface is adjacent to the fillet surface.

In the contact lens of the eighth embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the rear surface of the first support is RB1s, and the second support The radius of curvature of the rear surface is RB2s, the radius of curvature of the third support rear surface is RB3s, and the eighth embodiment of RE, RF, RB1s, RB2s, RB3s, RF/RB1s, RB1s/RF, RF/RE, 1000×RE The values and designs of parameters such as /RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) are recorded in Table 15. Table 15 RE 0.519 RB1s/RF 0.11 RF 0.129 RF/RE 4.03 RB1s 0.056 1000×RE/RF 247.98 RB2 0.07 RB1s/RE 0.43 RB3s 0.07 1000×RE/RB1s 2.32E+03 RF/RB1s 9.34 RB1s/(RF×RE) 0.83

In the contact lens of the eighth embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax (in In the eighth embodiment, the width of the first support rear surface, the second support rear surface, and the third support rear surface is the largest), the largest of WRF, WRE, and WRBmax is WRMax, and the width of the fillet area is WRZ, invisible The maximum diameter of the glasses is DiL, while WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ of the eighth embodiment The values and designs of parameters such as /DiL are recorded in Table 16. Table 16 WRF (mm) 0.25 2×WRF/DiL (%) 3.50 WRE (mm) 0.18 2×WRE/DiL (%) 2.48 WRBmax (mm) 0.24 2×WRBmax/DiL (%) 3.38 WRMax (mm) 0.25 WRMax/WRZ (%) 73.53 WRZ (mm) 0.34 2×WRZ/DiL (%) 4.76 DiL (mm) 14.30

<Ninth embodiment>

The contact lens (not shown in the figure) of the ninth embodiment includes a central area, an annular area, a peripheral area and a rounded corner area sequentially from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the ninth embodiment, the rear surface includes four support rear surfaces, and the four support rear surfaces face the center point of the contact lens from the rounded corners in sequence as the first support rear surface, the second support rear surface, the third support rear surface and The fourth support rear surface, and the first support rear surface is adjacent to the fillet surface.

In the contact lens of the ninth embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the rear surface of the first support is RB1s, and the second support The radius of curvature of the rear surface is RB2s, the radius of curvature of the third support rear surface is RB3s, the curvature radius of the fourth support rear surface is RB4s, and the RE, RF, RB1s, RB2s, RB3s, RB4s, RF/ The numerical value and design of RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters are recorded in Table 17. Table 17 RE 4.870 RB1s/RF 21.37 RF 0.113 RF/RE 43.02 RB1s 104.072 1000×RE/RF 23.24 RB2 71.88 RB1s/RE 919.37 RB3s 5.12 1000×RE/RB1s 1.09 RB4s 5.57 RB1s/(RF×RE) 188.78 RF/RB1s 0.05

In the contact lens of the ninth embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax (in In the ninth embodiment, the largest of the widths of the first support rear surface, the second support rear surface, the third support rear surface, and the fourth support rear surface), the largest of WRF, WRE and WRBmax is WRMax, and the fillet area The width of the contact lens is WRZ, the maximum diameter of the contact lens is DiL, and the WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax of the ninth embodiment The values and designs of parameters such as /WRZ and 2×WRZ/DiL are recorded in Table 18. Table 18 WRF (mm) 0.34 2×WRF/DiL (%) 4.76 WRE (mm) 0.20 2×WRE/DiL (%) 2.80 WRBmax (mm) 0.33 2×WRBmax/DiL (%) 4.62 WRMax (mm) 0.34 WRMax/WRZ (%) 64.15 WRZ (mm) 0.53 2×WRZ/DiL (%) 7.41 DiL (mm) 14.30

<Tenth Embodiment>

The contact lens (not shown) of the tenth embodiment includes a central area, an annular area, a peripheral area and a rounded corner area in sequence from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the tenth embodiment, the rear surface includes five supported rear surfaces, and the five supported rear surfaces face the center point of the contact lens from the rounded corners in order of the first supported rear surface, the second supported rear surface, the third supported rear surface, The fourth support rear surface and the fifth support rear surface, and the first support rear surface is adjacent to the rounded surface.

In the contact lens of the tenth embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the rear surface of the first support is RB1s, and the second support The radius of curvature of the rear surface is RB2s, the radius of curvature of the third support rear surface is RB3s, the curvature radius of the fourth support rear surface is RB4s, the curvature radius of the fifth support rear surface is RB5s, and the RE, RF of the tenth embodiment , RB1s, RB2s, RB3s, RB4s, RB5s, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters and design are reported in Table XIX. Table nineteen RE 3.83E+05 RF/RB1s 4.85E+06 RF 0.510 RB1s/RF 2.06E-07 RB1s 0.079 RF/RE 7.51E+05 RB2 0.09 1000×RE/RF 1.33E-03 RB3s 0.08 RB1s/RE 0.15 RB4s 5.57 1000×RE/RB1s 6.46E+03 RB5s 0.10 RB1s/(RF×RE) 4.04E-07

In the contact lens of the tenth embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax (in In the tenth embodiment, the largest of the widths of the first support rear surface, the second support rear surface, the third support rear surface, the fourth support rear surface, and the fifth support rear surface), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded area is WRZ, the maximum diameter of the contact lens is DiL, and WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2 The values and designs of parameters such as ×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL are recorded in Table 20. Table twenty WRF (mm) 0.46 2×WRF/DiL (%) 6.43 WRE (mm) 0.34 2×WRE/DiL (%) 4.76 WRBmax (mm) 0.44 2×WRBmax/DiL (%) 6.15 WRMax (mm) 0.46 WRMax/WRZ (%) 71.88 WRZ (mm) 0.64 2×WRZ/DiL (%) 8.95 DiL (mm) 14.30

<Eleventh embodiment>

The contact lens (not shown) of the eleventh embodiment includes a central area, an annular area, a peripheral area and a rounded corner area in order from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the eleventh embodiment, the rear surface only includes a support rear surface and a channel rear surface, so the support rear surface in the eleventh embodiment is the first support rear surface (that is, the eleventh embodiment The support rear surface is formed by the first support rear surface, and the first support rear surface will be described below), and the flow channel rear surface is the first flow channel rear surface (that is, the flow channel rear surface of the eleventh embodiment is composed of the first flow channel rear surface The rear surface of the channel is formed, and the following will be described as the rear surface of the first channel), and the rear surface of the first support and the rear surface of the first channel are adjacent to the rounded surface.

In the contact lens of the eleventh embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the rear surface of the first support is RB1s, and the first stream The radius of curvature of the rear surface of the track is RB1f, and RE, RF, RB1s, RB1f, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s of the eleventh embodiment , RB1s/(RF×RE) and other parameters and their design are recorded in Table 21. Table 21 RE 4.326 RF/RE 16.58 RF 0.261 1000×RE/RF 60.31 RB1s 1.656 RB1s/RE 6.35 RB1f 1.04 1000×RE/RB1s 157.55 RF/RB1s 2.61 RB1s/(RF×RE) 1.47 RB1s/RF 0.38

In the contact lens of the eleventh embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax( In the eleventh embodiment, the width of the first support rear surface), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded area is WRZ, and the maximum diameter of the contact lens is DiL, and the eleventh embodiment The values and designs of WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL and other parameters are recorded in Table 2 Twelve middle school. Table 22 WRF (mm) 0.51 2×WRF/DiL (%) 7.13 WRE (mm) 0.52 2×WRE/DiL (%) 7.27 WRBmax (mm) 0.51 2×WRBmax/DiL (%) 7.08 WRMax (mm) 0.52 WRMax/WRZ (%) 50.49 WRZ (mm) 1.03 2×WRZ/DiL (%) 14.41 DiL (mm) 14.30

<Twelfth embodiment>

The contact lens (not shown) of the twelfth embodiment includes a central area, an annular area, a peripheral area and a rounded corner area in order from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the twelfth embodiment, the rear surface includes two support rear surfaces and a channel rear surface, the two support rear surfaces facing the center point of the contact lens from the rounded corner are sequentially the first support rear surface and the second support rear surface, and the flow channel The rear surface of the channel is the rear surface of the first channel (that is, the rear surface of the channel in the twelfth embodiment is formed by the rear surface of the first channel, and the following will be described as the rear surface of the first channel), and the rear surface of the first support and the rear surface of the first channel The faces are adjacent to the fillet faces.

In the contact lens of the twelfth embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the first supporting rear surface is RB1s, and the second The radius of curvature of the back surface of the support is RB2s, the back surface of the first flow channel is RB1f, and RE, RF, RB1s, RB2s, RB1f, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF of the twelfth embodiment , RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters’ values and designs are recorded in Table 23. Table 23 RE 1.627 RB1s/RF 2.13 RF 0.017 RF/RE 95.12 RB1s 3.469 1000×RE/RF 10.51 RB2 1.39 RB1s/RE 202.85 RB1f Plane 1000×RE/RB1s 4.93 RF/RB1s 0.47 RB1s/(RF×RE) 124.72

Wherein, the rear surface of the first flow channel is a plane.

In the contact lens of the twelfth embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax( In the twelfth embodiment, the largest of the widths of the first support rear surface and the second support rear surface), the largest of WRF, WRE and WRBmax is WRMax, the width of the rounded area is WRZ, and the maximum diameter of the contact lens is DiL, and WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL, etc. of the twelfth embodiment The values and designs of the parameters are reported in Table XXIV. Table twenty-four WRF (mm) 0.63 2×WRF/DiL (%) 8.81 WRE (mm) 0.03 2×WRE/DiL (%) 0.42 WRBmax (mm) 0.66 2×WRBmax/DiL (%) 9.23 WRMax (mm) 0.66 WRMax/WRZ (%) 94.29 WRZ (mm) 0.70 2×WRZ/DiL (%) 9.79 DiL (mm) 14.30

<Thirteenth embodiment>

The contact lens (not shown) of the thirteenth embodiment includes a central area, an annular area, a peripheral area and a rounded corner area in order from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the thirteenth embodiment, the rear surface includes a three-support rear surface and a three-channel rear surface, and the three-support rear surfaces face the center point of the contact lens from the rounded corners to the first support rear surface, the second support rear surface and the third support rear surface. The rear surface of the support, and the rear surface of the three flow channels facing the center of the contact lens from the fillet is the first flow channel rear surface, the second flow channel rear surface and the third flow channel rear surface, and the first support rear surface and the first flow channel rear surface are adjacent to the fillet noodle.

In the contact lens of the thirteenth embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the first supporting rear surface is RB1s, and the second The radius of curvature of the support rear surface is RB2s, the third support rear surface is RB3s, the first runner rear surface is RB1f, the curvature radius of the second runner rear surface is RB2f, the third runner rear surface is RB3f, and the thirteenth embodiment RE, RF, RB1s, RB2s, RB3s, RB1f, RB2f, RB3f, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE ) and other parameters and design are recorded in Table 25. Table twenty-five RE 16.414 RF/RB1s 9.35 RF 0.059 RB1s/RF 0.11 RB1s 1.755 RF/RE 278.67 RB2 0.25 1000×RE/RF 3.59 RB3s Plane RB1s/RE 29.79 RB1f ASP 1000×RE/RB1s 33.57 RB2 1.02 RB1s/(RF×RE) 1.82 RB3 Plane

Wherein, the rear surface of the third support is a plane, the rear surface of the first flow channel is an aspheric surface, and the rear surface of the third flow channel is a plane.

In the contact lens of the thirteenth embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax( In the thirteenth embodiment, the largest of the widths of the first support rear surface, the second support rear surface and the third support rear surface), the largest of WRF, WRE and WRBmax is WRMax, and the width of the fillet area is WRZ , the maximum diameter of the contact lens is DiL, and WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/DiL, WRMax/WRZ, The values and designs of parameters such as 2×WRZ/DiL are recorded in Table 26. Table 26 WRF (mm) 0.79 2×WRF/DiL (%) 11.05 WRE (mm) 0.04 2×WRE/DiL (%) 0.56 WRBmax (mm) 0.74 2×WRBmax/DiL (%) 10.35 WRMax (mm) 0.79 WRMax/WRZ (%) 100.00 WRZ (mm) 0.79 2×WRZ/DiL (%) 11.05 DiL (mm) 14.30

<Fourteenth embodiment>

The contact lens (not shown) of the fourteenth embodiment includes a central area, an annular area, a peripheral area and a rounded corner area in order from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the fourteenth embodiment, the rear surface includes a four-support rear surface and a four-channel rear surface, and the four-support rear surfaces face the center point of the contact lens from the rounded corners, which are the first support rear surface, the second support rear surface, and the fourth support rear surface. The rear surface of three supports and the rear surface of the fourth support, while the rear surface of four channels facing the center of the contact lens from the rounded corner is the rear surface of the first channel, the rear surface of the second channel, the rear surface of the third channel and the rear surface of the fourth channel, And the first support rear surface is adjacent to the rounded surface with the first runner rear surface.

In the contact lens of the fourteenth embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the first supporting rear surface is RB1s, and the second The rear surface of the support is RB2s, the radius of curvature of the third support rear surface is RB3s, the fourth support rear surface is RB4s, the curvature radius of the first runner rear surface is RB1f, the second runner rear surface is RB2f, the curvature of the third runner rear surface The radius is RB3f, the rear surface of the fourth flow channel is RB4f, and the RE, RF, RB1s, RB2s, RB3s, RB4s, RB1f, RB2f, RB3f, RB4f, RF/RB1s, RB1s/RF, RF/RE of the fourteenth embodiment , 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters’ values and designs are recorded in Table 27. Table 27 RE 12.887 RB4 ASP RF 0.393 RF/RB1s 4.36E-04 RB1s 2.95E+04 RB1s/RF 2.29E+03 RB2 ASP RF/RE 32.78 RB3s 0.24 1000×RE/RF 30.51 RB4s ASP RB1s/RE 7.51E+04 RB1f 0.74 1000×RE/RB1s 0.01 RB2 ASP RB1s/(RF×RE) 5.83E+03 RB3 1.05

Wherein, the rear surface of the second support is an aspheric surface, the rear surface of the fourth support is an aspheric surface, the rear surface of the second flow channel is an aspherical surface, and the rear surface of the fourth flow channel is an aspherical surface.

In the contact lens of the fourteenth embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax( In the fourteenth embodiment, that is, the largest of the widths of the first support rear surface, the second support rear surface, the third support rear surface, and the fourth support rear surface), the largest of WRF, WRE, and WRBmax is WRMax, and the circle The width of the corner zone is WRZ, the maximum diameter of the contact lens is DiL, and WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/DiL, 2×WRBmax/ The values and designs of DiL, WRMax/WRZ, 2×WRZ/DiL and other parameters are recorded in Table 28. Table 28 WRF (mm) 0.84 2×WRF/DiL (%) 11.75 WRE (mm) 0.06 2×WRE/DiL (%) 0.84 WRBmax (mm) 0.86 2×WRBmax/DiL (%) 12.03 WRMax (mm) 0.86 WRMax/WRZ (%) 96.63 WRZ (mm) 0.89 2×WRZ/DiL (%) 12.45 DiL (mm) 14.30

<Fifteenth embodiment>

The contact lens (not shown) of the fifteenth embodiment includes a central area, an annular area, a peripheral area and a rounded corner area in order from the center to the outside. The rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface is adjacent to the front surface and the rear surface. In the fifteenth embodiment, the rear surface includes a five-support rear surface and a five-channel rear surface, and the five-support rear surfaces face the center of the contact lens from the rounded corners in order of the first support rear surface, the second support rear surface, the third Supporting back surface, fourth supporting back surface and fifth supporting back surface, the back surface of five flow channels facing the center of the contact lens from the rounded corner is sequentially the first flow channel back surface, the second flow channel back surface, the third flow channel back surface, the fourth flow channel back surface The rear surface of the runner and the rear surface of the fifth runner, and the rear surface of the first support and the rear surface of the first runner are adjacent to the rounded surface.

In the contact lens of the fifteenth embodiment, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, the radius of curvature of the first supporting rear surface is RB1s, and the second The radius of curvature of the support back surface is RB2s, the third support back surface is RB3s, the fourth support back surface is RB4s, the fifth support back surface has a curvature radius of RB5s, the curvature radius of the first flow channel back surface is RB1f, and the second flow channel back surface has a curvature radius of RB1f. The surface is RB2f, the rear surface of the third flow channel is RB3f, the rear surface of the fourth flow channel is RB4f, the rear surface of the fifth flow channel is RB5f, and the RE, RF, RB1s, RB2s, RB3s, RB4s, RB5s, RB1f of the fifteenth embodiment , RB2f, RB3f, RB4f, RB5f, RF/RB1s, RB1s/RF, RF/RE, 1000×RE/RF, RB1s/RE, 1000×RE/RB1s, RB1s/(RF×RE) and other parameters’ numerical value and design Recorded in Table XXIX. Table twenty-nine RE 9.58 RB4 Plane RF 0.036 RB5 Plane RB1s 0.132 RF/RB1s 72.50 RB2 0.22 RB1s/RF 1.38E-02 RB3s ASP RF/RE 263.82 RB4s Plane 1000×RE/RF 3.790 RB5s 0.26 RB1s/RE 3.64 RB1f 1.96 1000×RE/RB1s 274.79 RB2 Plane RB1s/(RF×RE) 0.38 RB3 Plane

Wherein, the rear surface of the third support is an aspherical surface, the rear surface of the fourth support is a plane, the rear surface of the second flow channel is a plane, the rear surface of the third flow channel is a plane, the rear surface of the fourth flow channel is a plane, and the rear surface of the fifth flow channel is flat.

In the contact lens of the fifteenth embodiment, the maximum width of the front surface in the radius region is WRF, the maximum width of the radius surface in the radius region is WRE, and the maximum width of all supported rear surfaces in the rear surface is WRBmax( In the fifteenth embodiment, the largest of the widths of the first support rear surface, the second support rear surface, the third support rear surface, the fourth support rear surface, and the fifth support rear surface), among WRF, WRE and WRBmax The largest is WRMax, the width of the rounded area is WRZ, the maximum diameter of the contact lens is DiL, and WRF, WRE, WRBmax, WRMax, WRZ, DiL, 2×WRF/DiL, 2×WRE/ The values and designs of DiL, 2×WRBmax/DiL, WRMax/WRZ, 2×WRZ/DiL and other parameters are recorded in Table 30. Table Thirty WRF (mm) 0.93 2×WRF/DiL (%) 13.01 WRE (mm) 0.07 2×WRE/DiL (%) 0.98 WRBmax (mm) 0.98 2×WRBmax/DiL (%) 13.71 WRMax (mm) 0.98 WRMax/WRZ (%) 93.33 WRZ (mm) 1.05 2×WRZ/DiL (%) 14.69 DiL (mm) 14.30

Although the present invention has been disclosed above in terms of implementation, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be defined by the scope of the appended patent application.

100,200,300,400,500,600: contact lenses 110: Central area 120: ring area 130: Surrounding area 140,240,340,440,540,640: Fillet area 150,250,350,450,550,650: front surface 160,260,360,460,560,660: fillet 170,270,370,470,570,670: rear surface 170A: Support area 170B: runner area 170C: Transition zone 171a: first support back surface 171b: the rear surface of the first runner 172a: second support rear surface 172b: the rear surface of the second runner 173a: third support rear surface 173b: the rear surface of the third runner 174a: fourth support rear surface 174b: the rear surface of the fourth runner 175a: Fifth support back surface 175b: the rear surface of the fifth runner 1b-1b, 3b-3b, 4b-4b, 5b-5b, 6b-6b, 7b-7b: cut face line RE: The radius of curvature of the fillet in the fillet area RF: Radius of curvature of the front surface in the fillet area RB1s: Radius of curvature of the rear surface of the first support RB2s: Radius of curvature of the rear surface of the second support RB3s: Radius of curvature of the rear surface of the third support RB4s: Radius of curvature of the rear surface of the fourth support RB5s: radius of curvature of the fifth support rear surface RB1f: radius of curvature of the rear surface of the first runner RB2f: radius of curvature of the rear surface of the second runner RB3f: radius of curvature of the rear surface of the third runner RB4f: radius of curvature of the rear surface of the fourth runner RB5f: radius of curvature of the rear surface of the fifth runner WRF: The maximum width of the front surface in the fillet area WRE: The maximum width of the fillet face in the fillet area WRBmax: Maximum width among all supported back surfaces in the back surface WRMax: the largest of WRF, WRE and WRBmax WRZ: The width of the fillet area DiL: the largest diameter of the contact lens

FIG. 1A is a schematic diagram illustrating a contact lens according to an embodiment of the present invention; Fig. 1B is a schematic cross-sectional view of the contact lens along the section line 1b-1b in Fig. 1A; Figure 1C is a partially enlarged schematic diagram of the contact lens in Figure 1B; Figure 2 is a schematic diagram showing a user wearing the contact lens in Figure 1A; FIG. 3A is a schematic diagram of a contact lens according to the first embodiment of the present invention; Figure 3B is a schematic cross-sectional view of the contact lens along the cut plane line 3b-3b in Figure 3A; FIG. 3C is an enlarged schematic view showing the rounded area of the contact lens in FIG. 3B; FIG. 4A is a schematic diagram of a contact lens according to the second embodiment of the present invention; Figure 4B is a schematic cross-sectional view of the contact lens along the cut plane line 4b-4b in Figure 4A; FIG. 4C is an enlarged schematic view showing the rounded area of the contact lens in FIG. 4B; FIG. 5A is a schematic diagram of a contact lens according to the third embodiment of the present invention; Fig. 5B is a schematic cross-sectional view of the contact lens along the cut plane line 5b-5b in Fig. 5A; Fig. 5C is an enlarged schematic view showing the rounded corner area of the contact lens in Fig. 5B; FIG. 6A is a schematic diagram of a contact lens according to the fourth embodiment of the present invention; Figure 6B is a schematic cross-sectional view of the contact lens along the cut plane line 6b-6b in Figure 6A; FIG. 6C is an enlarged schematic view showing the rounded corner area of the contact lens in FIG. 6B; FIG. 7A is a schematic diagram of a contact lens according to the fifth embodiment of the present invention; Figure 7B is a schematic cross-sectional view of the contact lens in Figure 7A along the section line 7b-7b; and FIG. 7C is an enlarged schematic view of the rounded corner area of the contact lens in FIG. 7B.

100: contact lenses

110: Central area

120: ring area

130: Surrounding area

140: Fillet area

150: front surface

160: fillet

170: back surface

Claims (16)

A contact lens, which sequentially includes from the center to the outside: a central zone comprising a central point of the contact lens; an annular area surrounding the central area; a peripheral zone surrounding the annular zone; and a rounded area surrounding the peripheral area, and the rounded area includes a front surface, a rounded surface and a rear surface, wherein the rounded surface adjoins the front surface and the rear surface, and the rear surface includes at least one supporting rear surface; Wherein, the maximum width of all the supported rear surfaces in the rear surface is WRBmax, and the maximum diameter of the contact lens is DiL, which satisfies the following conditions: 0.5% ≤ 2×WRBmax/DiL ≤ 15%. The contact lens as described in claim 1, wherein the maximum width of the rounded surface in the rounded area is WRE, the maximum diameter of the contact lens is DiL, and it satisfies the following conditions: 0.05% ≤ 2×WRE/DiL ≤ 10%. The contact lens as described in claim 1, wherein the maximum width of the front surface in the rounded area is WRF, the maximum diameter of the contact lens is DiL, and it satisfies the following conditions: 0.1% ≤ 2×WRF/DiL ≤ 15%. The contact lens as claimed in claim 1, wherein the maximum width of the front surface in the rounded area is WRF, the maximum width of the rounded surface in the rounded area is WRE, and all of the supporting rear surfaces in the rear surface The maximum width of the corner is WRBmax, where the largest of WRF, WRE and WRBmax is WRMax, and the width of the fillet area is WRZ, which meets the following conditions: 45% ≤ WRMax/WRZ ≤ 100%. The contact lens as described in claim 4, wherein the radius of curvature of the rounded surface in the rounded area is RE, the radius of curvature of the front surface in the rounded area is RF, and the rounded surface is adjacent to the rounded area The at least one support rear surface is a first support rear surface, the radius of curvature of the first support rear surface is RB1s, and it satisfies the following conditions: RE ≤ RF ≤ RB1s. The contact lens as described in claim 5, wherein the radius of curvature of the front surface in the rounded area is RF, and the radius of curvature of the first support rear surface in the rounded area is RB1s, which satisfies the following conditions: 0.01 ≤ RF/RB1s ≤ 1.00E+10. The contact lens as described in claim 5, wherein the radius of curvature of the front surface in the rounded area is RF, and the radius of curvature of the rounded surface in the rounded area is RE, which meets the following conditions: 1.00 ≤ RF/RE ≤ 1.00E+10. The contact lens as described in claim 5, wherein the radius of curvature of the rounded surface in the rounded area is RE, and the radius of curvature of the first support rear surface in the rounded area is RB1s, which meets the following conditions: 0.10 ≤ RB1s/RE ≤ 1.00E+05. The contact lens according to claim 1, wherein the rear surface further comprises at least one channeled rear surface. The contact lens according to claim 9, wherein the contact lens has a rotation-stabilized structure, and the rear surface of the at least one flow channel in the rounded corner region is asymmetric. The contact lens according to claim 10, wherein the contact lens is an astigmatism correcting contact lens. The contact lens as claimed in claim 1, wherein the contact lens is a multifocal contact lens for controlling, slowing down, delaying or preventing the aggravation of myopia. The contact lens according to claim 12, wherein the contact lens is a continuous zoom multifocal contact lens. The contact lens as described in claim 1, wherein the contact lens is a myopia correction contact lens, a hyperopia correction contact lens or a presbyopia correction contact lens. A contact lens product comprising: Contact lenses as described in Claim 1; a buffer solution in which the contact lens is soaked; and a package, wherein the contact lens and the buffer solution are accommodated in the package; Wherein, the contact lens contains a beneficial agent, a wetting agent, a pigment or a myopia control agent. A contact lens product comprising: Contact lenses as described in Claim 1; a buffer solution in which the contact lens is soaked; and a package, wherein the contact lens and the buffer solution are accommodated in the package; Wherein, the buffer solution contains a beneficial agent, a wetting agent, a pigment or a myopia control agent.

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