TWM564170U - Lens using clear area to increase out-of-focus image range - Google Patents

Abstract

The present invention relates to a lens for applying a clear area to increase the range of out-of-focus images, the surface of the lens is formed with a central optical zone for light to pass through to the central clear region of the retina of the eyeball, and imaging is formed around the central optical zone. a peripheral optical zone on the peripheral out-of-focus image area around the central clear image area, wherein the central optical zone surface is provided with a substantially elliptical shape for clear passage of light through the central clear image area, and outside the clear area The defocal area is formed by using the defocusing area to increase the range of the defocused image imaged in the central clear image area, so as to increase the range of the optical area with defocusing on the retina, without increasing the defocus of the lens. Under the premise of the degree, there is a function of controlling the degree of myopia, so when the light passes through the defocusing area, it will focus on the front of the retina, so as to effectively delay or prevent the degree of myopia deviation from deepening.

Description

Apply clear areas to increase the range of out-of-focus images

This creation is about a lens that uses a clear area to increase the range of out-of-focus images, especially the surface of the central optical zone of the lens is provided with a clear area that allows light to be clearly imaged on the central clear image area of the retina, outside the clear area. The part is formed with a defocusing area for increasing the out-of-focus image range in the central clear image area, and the defocusing area can be used to delay the deepening of the myopia.

In order to solve the problem of myopia, most of them will wear myopia glasses, wear myopia contact lenses, corneal myopia surgery or wear corneal lens correction. However, in order to effectively control the growth of myopia, today's myopia contact lenses have The manufacturer developed a peripheral defocus lens. The principle of the surrounding defocus lens is mainly that the dioptric power is gradually reduced from the center to the periphery, so that when the light passes through the lens, the focus of the middle region falls on the retina, while the focus of the peripheral region falls on the retina. In the past, it can reduce the situation of peripheral hyperopia and can control the excessive elongation of the eye axis, thereby slowing the speed of myopia deepening and effectively controlling the peripheral vision correction.

However, the peripheral defocusing lens needs a short adaptation period for the first time wearing, and if the surrounding diopter is reduced too much, it will cause too much defocus, thus affecting the visual field of the central field of view, so that the wearer can wear it for a long time. The occurrence of dizziness can affect the comfort of wearing and even affect the safety of the wearer.

Therefore, how to solve the above-mentioned lack of inconvenience and inconvenience is to engage in The relevant industry players in this industry are eager to study the direction of improvement.

The main purpose of the present invention is that the surface of the lens is formed with a central optical zone for light to pass through to the central clear region of the retina of the eyeball, and the periphery of the central optical zone is surrounded by a peripheral defocus that is imaged around the central clear image zone. a peripheral optical zone on the image area, wherein the central optical zone surface is provided with a clear area that is approximately elliptical and allows light to be clearly imaged on the central clear image area, and a portion other than the clear area is formed in the central clear image area In the out-of-focus image of the out-of-focus image, the defocusing area can be used to increase the range of the entire defocused image, so that the original space of the central optical zone can be effectively utilized to amplify the defocused image range on the retina of the eyeball. The clear shape of the shape ensures that the wearer can maintain a clear view when moving in the horizontal direction while reading, while the part outside the horizontal direction is used less frequently, so it is used to increase the out-of-focus image. Scope, in order to increase the range of optical regions with defocusing on the retina, so after the light passes through the defocusing area, it will focus on the front of the retina, so the eyelashes The muscles will relax and flatten the crystals. Therefore, the ciliary muscles of the eyeballs can be relaxed through the defocusing area, so as to prevent the ciliary muscles from being in a tight state for a long time, thereby preventing the axial lengthening, thereby effectively delaying or preventing The degree of myopia deviation is deepened, so as to achieve the purpose of correcting and improving myopia.

The secondary purpose of this creation is that the end corners of the plurality of convex portions of the clear area are arc-shaped. When the lens is worn on the eyeball, the wearer can not feel the arc-shaped corner. Sharp foreign body sensation for the purpose of improving wearing comfort.

1‧‧‧ lenses

11‧‧‧ outer surface

12‧‧‧ inner surface

13‧‧‧Central Optical Zone

131‧‧‧clear area

1311‧‧‧ convex

1312‧‧‧ corner

132‧‧‧Defocused area

14‧‧‧ peripheral optical zone

15‧‧‧ Positioning Department

2‧‧‧ eyeball

21‧‧‧ retina

211‧‧‧Central clear image area

2111‧‧‧clear image

2112‧‧‧Second defocused image

212‧‧‧After the out-of-focus image area

2121‧‧‧First defocused image

22‧‧‧瞳孔

23‧‧‧Ciliary muscle

24‧‧‧crystal

The first picture is a schematic diagram of the creation.

The second picture is a schematic diagram of the light path of the creation.

The third figure is a schematic diagram of the imaging of the reconstructed retina.

Referring to the first, second and third figures, the lens 1 (which may be a contact lens 1 or a spectacle lens 1) includes an outer surface 11 and an inner surface 12, and is on the outer surface 11 and the inner surface. 12 is formed with a central optical zone 13 for light to pass through to form a central clear image area 211 of the retina 21 of the eye 2 (i.e., a fovea of the retina 21), the central optical zone 13 having a non-circular surface a clear area 131 having a shape (about an elliptical shape), and the clear area 131 has a plurality of convex portions 1311 extending in the horizontal direction to the periphery of the central optical zone 13, and arc-shaped corners are formed at the ends of the convex portions 1311. 1312, and the central optical zone 13 is formed with a defocusing area 132 at a portion other than the clear area 131, and surrounds the peripheral defocused image area 212 formed around the central clear image area 211 around the central optical zone 13 (ie, surrounds The peripheral optical zone 14 on the central fovea of the macula is placed on the surface of the lens 1 with a positioning portion 15 for preventing the lens 1 from being rotated.

The clear area 131 and the defocusing area 132 of the central optical zone 13 are preferably formed on the outer surface 11 of the lens 1. However, in practical applications, the lens 1 may also be formed with a clear area 131 and defocus on the inner surface 12. A clear area 131 and a defocus area 132 are simultaneously formed on the area 132, or on the outer surface 11 and the inner surface 12.

Furthermore, the clear area 131 of the central optical zone 13 has a plurality of convex portions 1311 extending in the horizontal direction, and the plurality of convex portions 1311 can be used for the pupil 22 of the eyeball 2 to be viewed in the horizontal direction and viewed in the horizontal direction. Imaging clear vision The image can be used to ensure the clear visual image of the wearer by the plurality of convex portions 1311 of the clear area 131 (for example, in the case of reading, the eyeball 2 needs to browse the text in the horizontal direction, and the plurality of convex portions can be transmitted through the plurality of convex portions. 1311 to meet the reading requirements), and the wearer does not need to use the clear visual image of the demand part can be used as the defocus area 132 of the central optical zone 13 (eg, in the case of reading, except for the horizontal direction Less used, so it can be used as the defocusing area 132 to increase the defocus image range), thereby increasing the range of the optical region having the defocusing effect on the retina 21, without increasing the defocus of the lens 1 There is still the function of controlling the degree of myopia, which can reduce the degree of defocus, and thus avoid the vision power that is too high and affects the central vision.

However, the diopter of the defocusing area 132 and the peripheral optical zone 14 of the central optical zone 13 is smaller than the diopter of the clear zone 131 of the central optical zone 13, so that the lens 1 has the function of peripheral defocusing, and the defocusing The diopter of region 132 is preferably equivalent to the diopter of peripheral optical zone 14.

In addition, when the lens 1 is a contact lens type, the positioning portion 15 of the lens 1 is preferably disposed at the periphery of the inner surface 12, thereby avoiding affecting the arrangement of the central optical zone 13 and the peripheral optical zone 14, thereby further The central optical zone 13 and the peripheral optical zone 14 are conveniently formed, but in actual application, the positioning portion 15 can also be disposed on the outer surface 11 of the lens 1, or the outer surface 11 and the inner surface 12 are disposed; and the positioning The design of the portion 15 is such that the upper and lower edges of the inner surface 12 can be thinned so that the upper and lower edges respectively form a limiting groove (not shown), which can be made through the plurality of limiting slots. The lens 1 is stably fixed on the eyeball 2 and avoids rotation. However, there are many ways and structures for the lens 1 to be positioned on the eyeball 2. Therefore, the structure that can achieve the aforementioned effects should be covered by the present invention, such simple modification and the like. effect Structural changes shall be included in the scope of the patent of this creation, and shall be combined with Chen Ming; and if the lens 1 is of the frame type, the positioning portion 15 may be a mirror frame for being worn on the face of the person. .

When the present invention is actually used, the lens 1 can be first worn on the eyeball 2 and positioned on the eyeball 2 by the positioning portion 15 to prevent the lens 1 from being easily rotated on the eyeball 2, and when the light passes through the lens. When the central optical zone 13 and the peripheral optical zone 14 are in a state, the light passing through the peripheral optical zone 14 forms a first out-of-focus image 2121 in the out-of-focus image area 212 of the retina 21 (as shown in the third figure). When the light passes through the central optical zone 13, the light passing through the clear region 131 of the central optical zone 13 will form a clear image 2111 in the central clear image area 211 of the retina 21, and pass through the defocusing zone of the central optical zone 13. The light of 132 will image the second out-of-focus image 2112 outside the clear image 2111 of the central clear image area 211, and the out-of-focus image range on the retina 21 can be amplified by the defocusing area 132.

And when the eyeball 2 of the wearer browses the object in the horizontal direction, the clear image 2111 can be formed in the central clear image area 211 through the plurality of convex portions 1311 of the clear area 131, thereby enabling the horizontal direction to clearly view the things. The light passing through the defocusing area 132 generates a second out-of-focus image 2112. Since the second out-of-focus image 2112 can be used to expand the range of the out-of-focus image, thereby improving the defocusing effect on the retina 21. The optical area range can still reduce the number of defocus degrees without increasing the defocus degree of the lens 1. Therefore, the required defocus degree can be reduced, thereby reducing the number of defocus degrees and affecting the central field of view. The possibility of vision, whereby the ciliary muscle 23 of the eyeball 2 can be relaxed by the lower refractive power of the defocusing area 132, thereby reducing the adjustment, thereby flattening the crystal 24, thereby making the circumference The image of the edge optic zone 14 can also fall on the retina 21, so as to prevent the ciliary muscle 23 on the eyeball 2 from being in a tight state for a long time, thereby preventing the eye axis from being elongated, and effectively delaying or preventing the degree of myopia deviation. Deepen, and then achieve the effect of correcting and improving myopia.

This creation has the following advantages:

(1) The central optical zone 13 of the lens 1 is designed to have a defocusing zone 132 at a portion other than the clear zone 131, so that the original space of the central optical zone 13 can be effectively utilized to augment the retina 21 of the eyeball 2. The defocus image range, due to the expansion of the defocused image range, thereby increasing the range of the optical region having the defocusing effect on the retina 21, can still have the function of controlling the degree of myopia without increasing the defocus degree of the lens 1. , can reduce the required degree of defocus, thereby reducing the possibility of affecting the central visual field due to excessive defocus, and can relax the ciliary muscle 23 of the eye 2 through the defocusing area 132 to avoid the ciliary muscle 23 is in a tight state for a long time, thereby preventing the eye shaft from being elongated, thereby effectively delaying or preventing the degree of deviation of myopia from deepening, thereby achieving the effect of correcting and improving myopia.

(2) The end of the plurality of convex portions 1311 of the clear area 131 is formed with an arc-shaped corner 1312, and the corner 1312 is arcuate, so that the lens 1 is used as the lens 1 of the contact lens and is worn on the lens 1 When the eyeball 2 is on, the sharp foreign body sensation is not felt, and the wearing comfort can be improved.

In summary, the above-mentioned application clear area to increase the range of defocus image lens in practical application, implementation, in order to achieve its efficacy and purpose, so this creation is a practical and excellent research and development, in line with the new type The application requirements of the patent, 提出 apply in accordance with the law, and hope that the trial committee will grant the case as soon as possible to protect the creators' hard work in research and development and creation. If there is any doubt in the ruling committee, please do not hesitate to give instructions, the creator will try his best to cooperate, real sense Debian.

Claims (10)

A lens that uses a clear area to increase the range of out-of-focus images, the lens includes an outer surface and an inner surface, and a central optical zone is formed on the outer surface and the inner surface for light to pass through to form a clear image area of the central retina of the eyeball And surrounding the central optical zone is surrounded by a peripheral optical zone imaged on a peripheral out-of-focus image area around the central clear image area, wherein the central optical zone surface of the lens is provided with light for clear imaging on the retina a clear area on the central clear image area, and a portion outside the clear area is formed with a defocusing area for increasing the out-of-focus image range in the central clear image area, and a positioning portion for preventing the rotation of the lens is provided on the surface of the lens. . The clear area is applied as described in claim 1 to increase the range of the out-of-focus image, wherein the clear area of the central optical zone is elliptical. The clear area is applied as described in claim 1 to increase the range of the out-of-focus image, wherein the clear area and the defocus area of the central optical area are disposed at the outer surface of the lens. The clear area is applied as described in claim 1 to increase the range of the defocused image, wherein the clear area and the defocus area of the central optical area are disposed at the inner surface of the lens. The clear area is applied as described in claim 1 to increase the range of the defocused image, wherein the outer surface and the inner surface of the lens are provided with a clear area and a defocus area. The clear area is applied to increase the range of the out-of-focus image as described in claim 1 of the patent application, wherein the clear area of the central optical zone has a plurality of convex portions extending in a horizontal direction. The clear area is applied as described in claim 6 to increase the range of the out-of-focus image, wherein the plurality of convex portions of the clear area extend to the periphery of the central optical zone. The clear area is applied to increase the lens of the out-of-focus image range as described in claim 1 of the patent application, wherein the plurality of convex portions of the clear area have arc-shaped corners. Applying a clear area to increase the range of the out-of-focus image as described in claim 1 of the patent application, wherein the diopter of the defocused area and the peripheral optical area of the central optical zone is smaller than the diopter of the clear area, and the defocus area The degree of diopter is preferably equal to the degree of the peripheral optical zone. The clear area is applied as described in claim 1 to increase the range of the out-of-focus image, wherein the positioning portion of the lens is formed at the edge of the inner surface of the lens.