CN117706805A - Spectacle lens with light diffusion structure area - Google Patents
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- CN117706805A CN117706805A CN202311814700.XA CN202311814700A CN117706805A CN 117706805 A CN117706805 A CN 117706805A CN 202311814700 A CN202311814700 A CN 202311814700A CN 117706805 A CN117706805 A CN 117706805A
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 91
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Abstract
An ophthalmic lens with a light diffusion structure area belongs to the technical field of eyeglasses. The front and rear mirror surfaces of the spectacle lens are provided with a central area and a peripheral area, the peripheral area is provided with an upper side area and a lower side area, the central area of the front mirror surface is a flat mirror, the upper side area is an area with a light diffusion structure, the lower side area is a triangular prism area, the central area and the upper side area of the rear mirror surface are concave lenses, and the lower side area is a refractive convex lens area. Or the front and rear mirror surfaces are provided with a central area and a peripheral area, and the peripheral area is provided with a nasal side quadrant area, a temporal side quadrant area, an upper side quadrant area and a lower side quadrant area. The glasses lens has four functional lens superposition of correcting myopia, namely, correcting myopia central myopia defocus, reducing retinal high contrast through far vision, correcting nasal-temporal retinal peripheral hyperopic refractive aberration, recovering myopia regulation and collecting natural balance, increasing indication, improving effectiveness and playing a remarkable role in myopia prevention and control.
Description
Technical Field
The invention belongs to the technical field of glasses, and particularly provides an ophthalmic lens with a light diffusion structure area.
Background
The occurrence and development of myopia in teenagers of children are related to the regulation of aggregate dysfunction, peripheral retinal asymmetry, nasal-temporal distance refractive error and peripheral retinal high contrast sensitivity. The prior control spectacle lenses comprise a double-light prism, peripheral defocused spectacles and a spectacle lens with a light diffusion structure, and cannot realize multiple functions of one lens.
Recent studies suggest that slight decreases in retinal peripheral contrast sensitivity can delay the progression of juvenile myopic eye power. See Earl L Smith, xie Peiying, study of retinal contrast signals for myopia control progress j chinese ophthalmology, 2023,59 (6): 488-491.
In the published chinese patent application literature, the patent name of the niconey vision application of the company, inc: a method for designing a spectacle lens, a method for manufacturing a spectacle lens, a spectacle lens ordering device, a spectacle lens ordering/receiving system, a progressive-power lens, a monofocal lens, and chinese patent application No. 2017800735616. The patent discloses a design method of an eyeglass lens, comprising the following steps: prompting a plurality of blurred images which are produced by applying different degrees of blurring to the original image, and enabling a wearer to visually recognize the blurred images; acquiring information related to the sensitivity of the wearer to the blur; and designing an ophthalmic lens based on the information related to the sensitivity of the wearer to the blur.
For another example, patent name filed by Jiangsu Kang Naite optical Inc.: an ophthalmic lens, chinese invention application No. 2022102406758. The invention discloses an ophthalmic lens comprising a first zone having a refractive power based on correcting visual ametropia; a second region having a function of unfocused imaging; the first area and the second area are arranged on the surface of the lens, the second area comprises a plurality of mutually independent subareas, and the first area is an area on the surface of the lens except the second area. The first region of the ophthalmic lens of the present invention has the function of focusing an image on the retina of an eye while correcting ametropia, and the second region thereof has the function of limiting the image focusing, by the combination of which the image of an object formed by the first region is visually recognized while limiting the imaging in front of or behind the retina by the second region, inhibiting or at least slowing down the progression of myopia and hyperopia.
For another example, the patent name of Jiangsu Ming optical technologies Co., ltd: lattice diffusion type defocused spectacle lenses and spectacles, chinese patent application No. 2022228885684. The application discloses lattice diffusion formula defocusing spectacle lens and glasses, lattice diffusion formula defocusing spectacle lens includes: a parent mirror comprising an optical center and an edge; the micro lens array is arranged on the mother mirror, and the micro lens is positioned between the optical center and the edge; the micro lens array comprises a plurality of groups of annular bands which are arranged at intervals by taking the optical center as the center of a circle; each group of annular zones comprises a plurality of micro lenses, and the micro lenses are rotationally and symmetrically distributed along the optical center; wherein the diameter of the micro lens increases in a direction extending from the optical center toward the edge. The application adopts the microlens array which is distributed in a circular ring shape, and the diameters of the microlenses on each annular belt are gradually increased from inside to outside according to a certain proportion, so that the influence of the change of the angle of view on the actual perceived defocus area of human eyes is counteracted, the stable defocus signal stimulation in the saccade range of pupils in each direction of the lenses is ensured, the perceived defocus area of the human eyes is kept unchanged approximately, and the functional effect of the lenses is not influenced by the change of the angle of oblique view.
For another example, the patent name of zhuhaifeitine medical science, inc: ophthalmic lenses and frame glasses with reduced local imaging contrast. Chinese patent application No. 202210635347.8. This patent discloses an ophthalmic lens with reduced local imaging contrast and frame glasses. The ophthalmic lens is a frame lens having a first refractive zone, a second refractive zone, and a light dispersing zone, wherein: the first refractive region has a prescribed refractive power for correcting refractive errors of the eye, the second refractive region is composed of a plurality of microlenses, each microlens has an adjusted refractive power different from the prescribed refractive power and is distributed near a central portion of the lens, and the light dispersing region is for reducing imaging contrast of the peripheral retina. Compared with a large-range blurring processing lens, the invention improves the retinal imaging contrast of the area outside the preset specific visual field, has no influence on the peripheral visual field of the user, protects the safety of the user, and has stronger myopia prevention and control effect through compounding blurring processing and micro-lens myopia defocusing effect in the specific visual field range.
Over 2022, the eye lens with light diffusion structure has been controlled by Nikon, such as Korotkoku's eye lens, kangnaite's eye lens, etc.
The above-mentioned published chinese patent application and ophthalmic lenses with light-diffusing structure do not provide patents and products for ophthalmic lenses with light-diffusing structure and triangular prism ophthalmic lenses, or ophthalmic lenses with light-diffusing structure and nasal-temporal peripheral defocus ophthalmic lenses, which are suitable for myopia prevention and control ophthalmic lenses for children and teenagers.
The current medical consensus is that the occurrence and progression of myopia in childhood and adolescents is related to the regulation of aggregate dysfunction, high contrast at the periphery of the retina, and presbyopic refractive power at the periphery of the retina. Although ophthalmic lenses with light diffusing structures provide protection against myopia, there is still an imbalance or correction of the collective eye accommodation dysfunction when wearing such ophthalmic lenses.
The present invention is directed to developing a new surface design of an ophthalmic lens, i.e., an ophthalmic lens with a light diffusion structure region.
Disclosure of Invention
The invention aims to provide an ophthalmic lens with a light diffusion structure area.
The invention is realized by the following technical scheme:
an ophthalmic lens having a light diffusing structure region is a frame ophthalmic lens, hereinafter referred to as such an ophthalmic lens. The front and rear mirror surfaces of the spectacle lens are provided with a central area and a peripheral area, the peripheral area is provided with an upper side area and a lower side area, the central area of the front mirror surface is a flat mirror, the upper side area is an area with a light diffusion structure, the lower side area is a triangular prism area, the central area and the upper side area of the rear mirror surface are concave lens areas, the lower side area is a refraction type convex lens area,
the light diffusion structure region is a frosted glass shape with no diopter number, low transparency relative to the central region, has a region for reducing peripheral retina imaging contrast sensitivity,
the light diffusion structure area is internally provided with a plurality of independent tiny light diffusion points, the tiny light diffusion points are semitransparent micropores without diopter, the diameter of the micropores is 0.13mm to 1.0mm, the longitudinal height is 0.1mm to 0.3mm, the spacing is 0.2mm to 0.6mm, the spacing close to the peripheral area is encrypted, the edge is steep, the top is flat, the honeycombed shape is distributed on the surface of the front mirror surface,
the triangular prism area is internally provided with a plurality of independent miniature triangular prisms, the miniature triangular prisms are in a long strip shape, the substrate faces the nose side, the diameter length is from 50 mu m to 3.0mm in millimeter level, the diameter width is from 0.5mm to 1.0mm, the thickness of the substrate is from 0.3mm to 0.5mm, and the prism degree is from 1.0 delta to 3.0 delta.
Further, a plurality of independent right circular micro-lens type convex lenses with diameters of 0.5mm to 3.0mm and refractive powers of +1.00D to +5.00D are arranged in the light diffusion structure area of the upper side area of the front mirror surface.
Further, the miniature triangular prism in the lower side area of the front mirror surface is in a strip shape, the substrate faces the nose side, the diameter length is between 2.0mm, the diameter width is 0.8mm, and the thickness of the substrate is 0.3mm.
Furthermore, the bottom of the miniature triangular prism in the lower side area of the front mirror surface is one of a circular shape, an elliptic shape, a rectangular shape, a semicircular shape, a pentagonal shape and a hexagonal shape, and the miniature triangular prisms are in a distributed or stepped array.
Further, a triangular prism is arranged in the lower side area of the front mirror surface, the diameter length of the triangular prism is 10mm to 40mm, the diameter width is 3mm to 20mm, and the thickness of the substrate is 0.1mm to 4.0mm.
Further, the central area of the front mirror surface has a diameter of 5mm to 10mm, the light diffusion structure area and the triple prism area start from the edge of the central area and stop from the position 50mm away from the optical central diameter, the area between the edge of the light diffusion structure area and the triple prism area and the edge of the spectacle lens is a flat mirror, and the external circumference azimuth angle ratio of the light diffusion structure area to the triple prism area is 180 0 To 300 to 0 :60 0 To 140 to 0 。
Further, the lower side area of the front mirror surface is set to be a triangular prism and a refraction type convex lens, or the lower side area of the front mirror surface is set to be a triangular prism, the lower side area of the rear mirror surface is set to be a refraction type convex lens, the diameter of the refraction type convex lens is 15mm to 35mm, and a gradual change area of 2.0mm to 6.0mm is arranged around the convex lens.
Further, the front mirror surface central area is a flat mirror, the upper side area is provided with a light diffusion structure area and is internally provided with a plurality of independent tiny light diffusion points or a plurality of independent positive round micro-lens type convex lenses, the lower side area is a triple prism area, the rear mirror surface central area and the upper side area are concave lenses, and the lower side area is a refraction type convex lens.
Further, the refractive power of the front and rear mirror surfaces is satisfied, the nasal side area is larger than the refractive power of the temporal side area by +0.50d to +3.00d, the triple prism power of 3.0 delta corresponds to the convex lens power of +2.00d, the triple prism power of 2.0 delta corresponds to the convex lens power of +1.50d, the triple prism power of 1.5 delta corresponds to the convex lens power of +1.00d, and the triple prism power of 1.0 delta corresponds to the convex lens power of +0.75d.
The front and rear mirror surfaces of the spectacle lens are provided with a central area and a peripheral area, the peripheral area is provided with a nasal side quadrant area, a temporal side quadrant area, an upper side quadrant area and a lower side quadrant area, the front mirror surface central area is a plano-optic mirror, a plurality of independent tiny light diffusion points or a plurality of independent positive round micro-lens convex lenses are arranged in the peripheral area with the light diffusion structure area, the nasal side quadrant area of the micro-lens convex lenses is larger than the refractive power of the temporal side quadrant area, the rear mirror surface central area is a concave lens, the peripheral area is provided with the nasal side quadrant area and the temporal side quadrant area, or the nasal side quadrant area, the temporal side quadrant area, the upper side quadrant area and the lower side quadrant area are arranged as positive round refraction convex lenses, the nasal side quadrant area is larger than the refractive power of the temporal side quadrant area, and the nasal side quadrant area is larger than the refractive power of the temporal side quadrant area +0.50D to +300D.
Compared with the prior art, the invention has the beneficial effects that:
the spectacle lens with the light diffusion structure area has the functions of correcting near-sighted central retinal myopia through far vision through defocus correction, reducing retinal high contrast sensitivity, correcting peripheral hyperopic refractive aberration of the nasotemporal retina, recovering near-sighted adjustment and natural balance collection, increasing indication, improving effectiveness and having remarkable effect in preventing and controlling near-sighted.
Drawings
Figure 1 is a schematic view of the structure of a front and rear combined ophthalmic lens,
FIG. 2 is a schematic view of the structure of the front mirror with the outside circumferential azimuth angles of the light diffusing structure region and the micro-triangular prism region,
FIG. 3 is a schematic view of the structure of the micro light diffusion point in the upper region and the micro prism in the lower region of the front mirror,
FIG. 4 is a schematic view showing the structures of the convex lens of the micro lens in the upper region and the micro prism in the lower region of the front mirror,
figure 5 is a schematic view of the structure of a common triangular prism in the lower side area of the front mirror,
figure 6 is a schematic diagram of a distributed array of micro-prisms,
figure 7 is a schematic view of a stepped array of micro triangular prisms,
figure 8 is a schematic view of the structure of the micro triangular prism with long diameter, wide diameter and thickness of the substrate,
FIG. 9 is a schematic view showing the structures of a concave lens in an upper side region and a convex lens in a lower side region of a rear mirror surface,
figure 10 is a schematic view of the structure of a refractive convex lens in the nasal-temporal region of the rear mirror,
figure 11 is a schematic diagram of the structure of the anterior specular nasotemporal quadrant,
figure 12 is a schematic diagram of the structure of the upper and lower nasal-temporal quadrant of the front mirror,
figure 13 is a schematic diagram of the structure of the posterior mirror nasal-temporal quadrant,
fig. 14 is a schematic diagram of the structure of the upper and lower temporal quadrants of the rear mirror nose.
In the figure: 1-front mirror, 2-rear mirror, 3-central zone, 4-peripheral zone, 5-front mirror upper zone, 6-front mirror lower zone, 7-rear mirror upper zone, 8-rear mirror lower zone, 9-triangular prism base facing the nasal side, 10-light diffusing structured zone, 11-minute light diffusing point, 12-microlens type convex lens, 13-refractive type convex lens, 14-triangular prism, 15-ordinary triangular prism, 16-perfect circle, 17-gradation zone, 18-flat mirror, 19-concave lens, 20-convex lens, 21-triangular prism diameter length, 22-triangular prism diameter width, 23-triangular prism base thickness, 24-triangular prism row, 25-triangular prism column, 26-triangular prism pitch, 27-triangular prism dispersive array, 28-triangular prism stepped array, 29-minute light diffusing point pitch, 30-microlens type convex lens pitch, 31-outer circumference azimuth angle of light diffusing structured zone, 32-triangular prism outer circumference of quadrant, 33-rear quadrant side nasal side-quadrant area, 37-temporal side quadrant area, 37-front side quadrant area, and 37-rear side quadrant area of the front side and temporal side upper mirror surface of the front side quadrant area.
Symbol abbreviations: V-Vertical radial (Vertical); H-Horizontal radial (Horizontal).
Description of the embodiments
The invention provides an ophthalmic lens with a light diffusion structure area, which comprises the following specific embodiments:
the term meaning in the description of the invention:
the triangular prism is a transparent body with a triangular optical cross section, and the combination of the triangular prism and the convex lens is called a double-light prism, so that the development of myopia degree is effectively controlled. The general triangular prism refers to a conventional and conventional triangular prism. The triangular prism prescription is mainly base orientation, also called the medial side, and prism power. The miniature prism has the advantages of small volume, light weight, the same function as the prism and easy wearing. The combination of a micro-prism and a refractive convex lens is called a micro-prism or a double-light micro-prism.
The point diffusion technology (Diffusion Optics Technology; DOT) refers to a transparent refraction correction area in the central area of the spectacle lens, and the functional area from the edge of the central area to the position 50mm away from the optical center diameter is a functional area with a light diffusion structure area, has the function of reducing the high contrast of retina, is internally provided with a plurality of independent tiny light diffusion points or is internally provided with a plurality of micro-lens type convex lenses and is distributed according to a rule, so that the contrast is slightly reduced, and the degree development of myopia of children and teenagers is delayed. The national spectacle institute's quality standards professional committee and national spectacle standardization center define this functional spectacle lens as a spectacle lens with a light diffusion structure, the invention applies a spectacle lens with a light diffusion structure region
The invention will be described in further detail with reference to the drawings and the detailed description,
FIG. 1 schematically shows a compound double-mirror surface of a front mirror surface 1 and a rear mirror surface 2 of an eyeglass lens, wherein a central region 3 of the front mirror surface 1 is a flat mirror 18, a central region 3 of the rear mirror surface 2 is a concave lens 19, a compound micro concave lens 19 is arranged in the central region 3 of the rear mirror surface 2, an upper side region 5 of a peripheral region 4 of the front mirror surface 1 is provided with a light diffusion structure region 10, a micro light diffusion point 11 is arranged in the light diffusion structure region 10 or a micro lens type convex lens 12 is arranged in the light diffusion structure region 10, a lower side region 6 is provided with a micro prism 14, a substrate of the micro prism 14 faces a nose side 9, and a peripheral region 4 of the rear mirror surface 2
The upper area 7 of the rear mirror surface and the central area 3 are provided with concave lenses 19 with the same degree, the lower area 8 of the rear mirror surface is provided with a refraction type convex lens 13 with a right circular shape 16, the convex lens 20 is provided with a gradual change area 17, and a structure diagram of the front mirror surface and the rear mirror surface composite spectacle lens is formed, as shown in figure 1,
fig. 2 shows a schematic view of the structure of the front mirror 1 of the spectacle lens, which is configured as a central area 3 and a peripheral area 4, the peripheral area 4 is configured as an upper area 5 and a lower area 6, the upper area 5 is configured as a light diffusion structure area 19, the outside circumference azimuth angle 31 of the light diffusion structure area 10 is larger than the outside circumference azimuth angle 32 of the micro prism, forming the outside circumference azimuth angles of the front mirror light diffusion structure area and the micro prism area, as shown in fig. 2,
fig. 3 shows a central area 3 and a peripheral area 4 of a front mirror 1 of an ophthalmic lens, the peripheral area 4 is configured as an upper area 5 and a lower area 6, a light diffusion structure area 10 with a light diffusion structure in the upper area 5 is configured with micro light diffusion points 11, a micro light diffusion point spacing 29 is arranged between adjacent areas, the lower area 6 of the peripheral area 4 is configured as a plurality of independent micro prisms 14, a structural schematic diagram of the micro light diffusion points in the upper area and the micro prisms in the lower area of the front mirror is formed, as shown in fig. 3,
fig. 4 shows a central area 3 and a peripheral area 4 of a front mirror 1 of an ophthalmic lens, the peripheral area 4 is configured as an upper area 5 and a lower area 6, a light diffusion structure area 10 of the upper area 5 is configured with a pico-lens convex lens 12, a micro-lens convex lens spacing 30 is arranged between adjacent areas, the lower area 6 of the peripheral area 4 is configured as a plurality of independent micro-prisms 14, a structure diagram of the micro-lens convex lens of the upper area of the front mirror and the micro-prism of the lower area is formed, as shown in fig. 4,
fig. 5 shows a schematic view of a structure in which a central area 3 and a peripheral area 4 of a front mirror 1 of an ophthalmic lens, the peripheral area 4 is configured as an upper area 5 and a lower area 6, a light diffusion structure area 10 of the upper area 5 is configured with a pico-lens convex lens 12, a micro-lens convex lens space 30 is arranged between adjacent areas, a lower area 6 of the peripheral area 4 is configured with 1 common prism 15, forming a common prism of the lower area of the front mirror, as shown in fig. 5,
fig. 6 is a schematic diagram of a micro prism row 24, a micro prism column 25, and a micro prism pitch 26 of the micro prism 14 in a micro prism dispersion array 27, which forms a micro prism dispersion array, as shown in fig. 6,
fig. 7 is a schematic view of a stepped array 28 of micro prisms closely connected between rows and columns of micro prisms 14, forming a stepped array of micro prisms, as in fig. 7,
fig. 8 is a schematic diagram of the diameter length 21, diameter width 22, and substrate thickness 23 of the micro prism 14, forming the micro prism diameter length, diameter width, and substrate thickness, as in fig. 8,
fig. 9 is a schematic view showing a structure in which a rear mirror 2 is provided with a central area 3 and a peripheral area 4, the peripheral area 4 is provided with a rear mirror upper area 7 and a rear mirror lower area 8, the lower area 8 is provided with a refractive convex lens 13 having a perfect circle shape 16, the convex lens 13 is provided with a gradation area 17, a rear mirror upper area concave lens and a lower area refractive convex lens are formed, as shown in fig. 9,
fig. 10 schematically shows a structure of a refractive convex lens 13 with a central area 3 and a peripheral area 4 arranged on a rear mirror surface 2, a nasal quadrant area 33 and a temporal quadrant area 34 arranged on an upper area 7 of the peripheral area 4, a progressive area 17 arranged on a lower area 8 of the peripheral area 4, the nasal quadrant area 33 and the temporal quadrant area 34 and the lower area 8, and a refractive convex lens in a lower area of the rear mirror surface nasal-temporal area, as shown in fig. 10,
fig. 11 shows a schematic structure of the front mirror 1 along a horizontal radial line H and a vertical radial line V, a central area 3 and a peripheral area 4 are provided, the peripheral area 4 is provided as an upper area 5 and a lower area 6, the upper area 5 is provided as a nasal quadrant 35 and a temporal quadrant 36, and a nasal-temporal lower quadrant of the front mirror is formed, as shown in fig. 11,
fig. 12 shows a schematic structure of a front mirror 1 with a central area 3 and a peripheral area 4, the peripheral area 4 with a front mirror nose-side quadrant 37 and a front mirror temporal-side quadrant 38, a front mirror upper quadrant 39 and a front mirror lower quadrant 40, the four quadrants being provided with a light diffusion structure 10, micro light diffusion points 11 or micro lens type convex lenses 12 are provided in the light diffusion structure 10, forming a front mirror nose-temporal upper and lower quadrants, as shown in fig. 12,
fig. 13 is a schematic diagram of a structure in which a central area 3 and a peripheral area 4 are provided on a rear mirror 2, concave lenses 19 having the same power as the central area 3 are provided on an upper side quadrant 35 of the peripheral area 4, a rear mirror nasal side quadrant 33 and a rear mirror temporal side quadrant 34 and a rear mirror lower side quadrant 36 are provided on the peripheral area 4, refractive convex lenses 13 having a gradation 17 are provided to form a rear mirror nasal temporal side quadrant, as shown in fig. 13,
fig. 14 is a schematic structural view of the rear mirror 2 with the central area 3 and the peripheral area 4, and the rear mirror nasal-side quadrant 33 and the rear mirror temporal-side quadrant 34 and the rear mirror upper-side quadrant 35 and the rear mirror lower-side quadrant 36 of the peripheral area 4, respectively, and with the refractive convex lens 13 with the gradient area 17, to form the rear mirror nasal-temporal upper-lower-side quadrant, as shown in fig. 14.
An ophthalmic lens having a light diffusing structure region, hereinafter referred to as such an ophthalmic lens.
The front and rear mirror surfaces of the spectacle lens are provided with a central zone and a peripheral zone, and the refractive power of the central zone of the front and rear mirror surfaces is compounded with the refractive power of the concave lens of the micro rear mirror surface, so that the spectacle lens is used for correcting the central myopia defocus of the retina of myopia and improving the far vision. The periphery district is equipped with upside district and downside district, and preceding mirror surface central authorities district is the plain mirror, and the upside district is for having light diffusion structure district, and the downside district is the prism district, and the prism district sets up one of miniature prism or ordinary prism, preferably selects miniature prism, and back mirror surface central authorities district and upside district are concave lens district, and the downside district is refractive convex lens district, wherein:
the light diffusion structure region is a frosted glass shape with no diopter number, the surface of which is low in transparency relative to the central region, has no focusing function, reduces the contrast sensitivity of peripheral retina imaging, delays or controls the occurrence and development of myopia degree,
the light diffusion structure area is internally provided with a plurality of independent tiny light diffusion points, the tiny light diffusion points are semitransparent micropores without diopter numbers, the diameter of the micropores is 0.13mm to 1.0mm, the longitudinal height is 0.1mm to 0.3mm, the spacing is 0.2mm to 0.6mm, the spacing close to the peripheral area is encrypted, the edges are steep, the top is flat, and the honeycombed micropores are distributed on the surface of the front mirror surface. The tiny light diffusion points also reduce the imaging contrast sensitivity of the peripheral retina, delay or control the occurrence and development of myopia degree,
the triangular prism area is internally provided with a plurality of independent miniature triangular prisms, the miniature triangular prisms are in a long strip shape, the substrate faces the nose side, the diameter length is from 50 mu m to 3.0mm in millimeter level, the diameter width is from 0.5mm to 1.0mm, the thickness of the substrate is from 0.3mm to 0.5mm, and the prism degree is from 1.0 delta to 3.0 delta. The miniature triple prism in the lower side area of the front mirror surface and the refraction type convex lens in the lower side area of the rear mirror surface are combined into a double-light miniature prism, so that the functions of correcting or balancing eyes and adjusting and collecting the eyes are achieved, and obvious myopia prevention and control effects are achieved.
Preferably, a plurality of independent positive circular micro-lens type convex lenses are arranged in the light diffusion structure area of the upper side area of the front mirror surface of the spectacle lens, and the diameter of each micro-lens is 0.5mm to 3.0mm, preferably 0.8mm to 1.2mm, and the refractive power is +1.00D to +5.00D. The micro-lens convex lens can effectively correct the peripheral hyperopic refractive aberration of the retina at the nasal and temporal sides.
Preferably, the miniature triangular prism in the lower side area of the front mirror surface of the spectacle lens is in a strip shape, the base faces the nose side, the diameter length is between 2.0mm, the diameter width is 0.8mm, and the thickness of the base is 0.3mm.
Preferably, the bottom shape of the miniature triangular prism in the lower side area of the front mirror surface of the spectacle lens is one of a circular shape, an elliptic shape, a rectangular shape, a semicircular shape, a pentagonal shape and a hexagonal shape, and the miniature triangular prisms are in a distributed or stepped array. The micro prisms are in a distributed array, which means that micro prism intervals are arranged among the rows, the columns and the columns of the micro prisms. The micro prisms are in a stepped array, which means that the rows and columns of the micro prisms are closely connected without a space.
Preferably, a triangular prism is arranged in the lower side area of the front mirror surface of the spectacle lens, the diameter of the triangular prism is 10mm to 40mm, the diameter is 3mm to 20mm, and the thickness of the substrate is 0.1mm to 4.0mm. Such a triangular prism of the lower zone of an ophthalmic lens may be referred to as a conventional or traditional ophthalmic triangular lens. The common prism in the lower side area of the front mirror surface is molded or injection molded, and the common prism in the lower side area of the rear mirror surface is molded by grinding in a numerical control car room.
Preferably, the front mirror surface of the spectacle lens has a central area with a diameter of 5mm to 10mm, the light diffusion structure area and the triangular prism area start from the edge of the central area and stop at a position 50mm from the optical center, the area between the edge of the light diffusion structure area and the triangular prism area and the edge of the spectacle lens is a flat mirror, and the outside circumference azimuth angle ratio of the light diffusion structure area to the triangular prism area is 180 0 To 300 to 0 :60 0 To 140 to 0 . The area with light diffusing structures is arranged at least 50mm from the optical center and greater than the outside circumferential azimuth angle of the triangular prism in order to have sufficient area to reduce the high contrast sensitivity of the retinal periphery.
Preferably, the lower side area of the front mirror surface of the spectacle lens is provided with a triangular prism and a refraction type convex lens, or the lower side area of the front mirror surface is provided with a triangular prism, the lower side area of the rear mirror surface is provided with a refraction type convex lens, the diameter of the refraction type convex lens is 15mm to 35mm, and a gradual change area of 2.0mm to 6.0mm is arranged around the convex lens. Preferably, the selective mini-prism is arranged in the lower side area of the front mirror surface of the spectacle lens, and the selective refraction type convex lens is preferably provided with a gradual change area, and the gradual change area eliminates the refraction jump phenomenon.
Preferably, the front mirror surface central area of the spectacle lens is a plano-optic lens, a plurality of independent tiny light diffusion points or a plurality of independent positive round micro-lens type convex lenses are arranged in the light diffusion structure area of the upper side area, the lower side area is a triangular prism area, the rear mirror surface central area and the upper side area are concave lenses, the concave lens degree is customized according to the individual diopter number, and the lower side area is a refractive type convex lens.
Preferably, the refractive power of the front and rear mirror surfaces of the spectacle lens satisfies that the nasal side region is larger than the temporal side region refractive power of +0.50d to +3.00d, the triple prism power of 3.0 delta corresponds to the convex lens power of +2.00d, the triple prism power of 2.0 delta corresponds to the convex lens power of +1.50d, the triple prism power of 1.5 delta corresponds to the convex lens power of +1.00d, and the triple prism power of 1.0 delta corresponds to the convex lens power of +0.75d.
An ophthalmic lens with a light diffusing structure region can be prepared as follows for several principal ophthalmic lens types.
The upper region of the front mirror surface is provided with tiny light diffusion points in a light diffusion structure region and tiny triangular ribs in the lower region
A refractive convex lens in the lower side area of the rear mirror surface,
micro lens type convex lens in light diffusion structure area on upper side area of front mirror surface and micro three micro lens type on lower side area
Prism + rear mirror lower side zone refractive convex lens,
the upper region of the front mirror surface is provided with tiny light diffusion points in a light diffusion structure region and tiny triangular ribs in the lower region
A refractive convex lens in the nasal area and temporal area and lower area of the rear mirror surface,
micro lens type convex lens in front lens surface light diffusion structure area and micro prism in lower side area
The lower side area of the rear mirror surface is provided with a nasal side area and a temporal side area and a lower side area is provided with a refractive convex lens,
the ordinary prism in the lower region of the front mirror replaces the micro prism.
Another technical scheme of an ophthalmic lens with light diffusion structure areas is that the front and rear mirror surfaces of the ophthalmic lens are provided with a central area and a peripheral area, the peripheral area is provided with four quadrants of a nasal quadrant and a temporal quadrant and an upper quadrant and a lower quadrant, and the peripheral area is provided with four quadrants of a nasal temporal upper quadrant and a nasal temporal lower quadrant, so as to correct the asymmetric hyperopic refractive aberration of the nasal temporal of retina. The front mirror surface central zone is a plano-optic mirror, a plurality of independent tiny light diffusion points or a plurality of independent positive round micro-lens convex lenses are arranged in the light diffusion structure zone of the peripheral zone, the nasal side quadrant zone of the micro-lens convex lenses is larger than the refractive power of the temporal side quadrant zone, the rear mirror surface central zone is a concave lens, or the nasal side quadrant zone and the temporal side quadrant zone of the peripheral zone, or the nasal side quadrant zone and the temporal side quadrant zone and the upper side quadrant zone and the lower side quadrant zone are arranged as positive round refraction convex lenses, the nasal side quadrant zone is larger than the refractive power of the temporal side quadrant zone, and the nasal side quadrant zone of the front mirror surface and the rear mirror surface is larger than the total refractive power of the temporal side quadrant zone plus 0.50D to plus 3.00D.
Another solution for such ophthalmic lenses are prepared as follows for several main ophthalmic lens types.
1. Micro light diffusion point in front mirror light diffusion structure area and rear mirror nasal-temporal quadrant area fold
An injection type convex lens is provided,
2. micro light diffusion point in front mirror light diffusion structure area+rear mirror nasal temporal upper and lower side quadrants
A zone-refractive convex lens,
3. micro-lens type convex lens of nasal-temporal side quadrant area in front lens surface light diffusion structure area and rear lens surface
A nasal-temporal quadrant refractive convex lens,
4. micro-lens type convex lens + rear part of upper and lower side quadrant area of nasal temporal in light diffusion structure area of front lens face mask
Mirror surface nasal temporal upper and lower side quadrant region refraction convex lens.
Description of the embodiments
The following specific examples are presented to illustrate the practice of the invention and are not intended to limit the claims of the invention.
Examples
The front mirror surface central area of the spectacle lens is a plano-optic mirror, the upper side area is provided with micro light diffusion points engraved by numerical control laser in a light diffusion structure area, the diameter is 0.2mm, the height is 0.15mm, the distance is 0.3mm, the lower side area is a strip-shaped miniature triangular prism, the triangular prism substrate faces to the nose side, the diameter is 2mm, the diameter width is 1.0mm, the thickness of the substrate is 0.4mm, the prism power is 3.0 delta, the rear mirror surface central area is 5mm, the central area and the upper side area are concave lenses, the concave lenses are customized according to the number of individual diopters, the lower side area is a convex lens provided with a gradual change area, and the power is +2.00D.
Examples
The central area of the front mirror surface is a plano-optic mirror, the diameter of the central area is 5mm, the diameter of the micro-lens type convex lens of the upper and lower nasal side quadrants arranged in the light diffusion structure area of the peripheral area is 0.8mm, the micro-lens degree of the micro-lens type convex lens of the nasal side quadrants is greater than +0.50D to +3.00D of the micro-lens degree of the temporal side quadrants, the individual diopter number of the central area of the rear mirror surface is customized, the refractive convex lens of the upper and lower nasal side quadrants is greater than +0.50D to +3.00D of the refractive convex lens degree of the temporal side quadrants, and the refractive power of the nasal side quadrants of the front and rear mirror surfaces is greater than +0.50D to +3.00D of the refractive power of the temporal side quadrants.
The spectacle lens with the light diffusion structure area has remarkable effect in myopia prevention and control and remarkable substantive characteristics and remarkable progress.
Finally, it should be noted that variations and modifications in the shape, optical power, design parameters of the central region, peripheral region, regions with light diffusing structures, micro light diffusing points, micro lens type convex lenses, and micro prisms of the present invention are also within the scope of the present invention.
Claims (10)
1. An ophthalmic lens with light diffusion structure region, characterized in that the front and rear mirror surfaces of the ophthalmic lens are provided with a central region and a peripheral region, the peripheral region is provided with an upper side region and a lower side region, the front mirror surface central region is a flat mirror, the upper side region is a region with light diffusion structure, the lower side region is a triangular prism region, the rear mirror surface central region and the upper side region are concave lens regions, the lower side region is a refractive convex lens region,
the light diffusion structure region is a frosted glass shape with no diopter number, low transparency relative to the central region, has a region for reducing peripheral retina imaging contrast sensitivity,
the light diffusion structure area is internally provided with a plurality of independent tiny light diffusion points, the tiny light diffusion points are semitransparent micropores without diopter, the diameter of the micropores is 0.13mm to 1.0mm, the longitudinal height is 0.1mm to 0.3mm, the spacing is 0.2mm to 0.6mm, the spacing close to the peripheral area is encrypted, the edge is steep, the top is flat, the honeycombed shape is distributed on the surface of the front mirror surface,
the triangular prism area is internally provided with a plurality of independent miniature triangular prisms, the miniature triangular prisms are in a long strip shape, the substrate faces the nose side, the diameter length is from 50 mu m to 3.0mm in millimeter level, the diameter width is from 0.5mm to 1.0mm, the thickness of the substrate is from 0.3mm to 0.5mm, and the prism degree is from 1.0 delta to 3.0 delta.
2. An ophthalmic lens having a light diffusing structure according to claim 1, wherein said light diffusing structure of said front mirror upper region is provided with a plurality of independent positive circular micro-lens type convex lenses having diameters of 0.5mm to 3.0mm and refractive powers of +1.00d to +5.00d.
3. An ophthalmic lens having a light diffusing structure according to claim 1, wherein said micro-prisms in said front mirror underside region are elongated with the base facing the nose side, between 2.0mm in diameter, 0.8mm in diameter and 0.3mm in base thickness.
4. An ophthalmic lens having a light diffusing structure according to claim 1, wherein said front mirror underside region has a triangular prism base shape that is one of circular, elliptical, rectangular, semicircular, pentagonal, hexagonal, and a distributed or stepped array of triangular prisms.
5. An ophthalmic lens having a light diffusing structure according to claim 1, wherein said front mirror has a triangular prism disposed in the lower region thereof, the triangular prism having a diameter of 10mm to 40mm, a diameter of 3mm to 20mm and a base thickness of 0.1mm to 4.0mm.
6. An ophthalmic lens with light diffusing structure region according to claim 1, wherein said front mirror central region has a diameter of 5mm to 10mm, the light diffusing structure region and the triangular prism region originate from the edge of the central region and end 50mm from the optical center diameter, the region between the light diffusing structure region and the triangular prism region edge to the ophthalmic lens edge is a flat lens, the outside circumference azimuth ratio of the light diffusing structure region to the triangular prism region is 180 0 To 300 to 0 :60 0 To 140 to 0 。
7. An ophthalmic lens with light diffusing structure area according to claim 1, wherein said front mirror underside area is provided as a triangular prism and a refractive convex lens, or said front mirror underside area is provided as a triangular prism, and said rear mirror underside area is provided as a refractive convex lens having a diameter of 15mm to 35mm, and a graded area of 2.0mm to 6.0mm is provided around the convex lens.
8. The lens of claim 1, wherein the front mirror central region is a flat mirror, the upper region is provided with a plurality of independent micro light diffusion points or a plurality of independent positive round micro lens type convex lenses, the lower region is a triangular prism region, the rear mirror central region and the upper region are concave lenses, and the lower region is a refractive type convex lens.
9. An ophthalmic lens having a light diffusing structure according to claim 1, wherein the refractive power of said front and rear mirrors is satisfied, the nasal area is greater than the temporal area refractive power +0.50d to +3.00d, the triangular prism power 3.0 Δ corresponds to the convex lens power +2.00d, the triangular prism power 2.0 Δ corresponds to the convex lens power +1.50d, the triangular prism power 1.5 Δ corresponds to the convex lens power +1.00D, and the triangular prism power 1.0 Δ corresponds to the convex lens power +0.75d.
10. The front mirror surface and the rear mirror surface of the spectacle lens are provided with a central area and a peripheral area, the peripheral area is provided with a nasal side quadrant area, a temporal side quadrant area, an upper side quadrant area and a lower side quadrant area, the central area of the front mirror surface is a plano-optic mirror, a plurality of independent tiny light diffusion points or a plurality of independent positive round micro-lens convex lenses are arranged in the optical diffusion structure area of the peripheral area, the nasal side quadrant area of the micro-lens convex lenses is larger than the refractive power of the temporal side quadrant area, the central area of the rear mirror surface is a concave lens, the peripheral area is provided with a nasal side quadrant area and a temporal side quadrant area, or the nasal side quadrant area, the temporal side quadrant area, the upper side quadrant area and the lower side quadrant area are arranged as positive round refraction convex lenses, the nasal side quadrant area is larger than the refractive power of the temporal side quadrant area, and the nasal side quadrant area and the rear mirror surface are larger than the refractive power of the temporal side quadrant area +0.50D to +3D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311814700.XA CN117706805A (en) | 2023-12-27 | 2023-12-27 | Spectacle lens with light diffusion structure area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311814700.XA CN117706805A (en) | 2023-12-27 | 2023-12-27 | Spectacle lens with light diffusion structure area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117706805A true CN117706805A (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311814700.XA Pending CN117706805A (en) | 2023-12-27 | 2023-12-27 | Spectacle lens with light diffusion structure area |
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| Country | Link |
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| CN (1) | CN117706805A (en) |
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- 2023-12-27 CN CN202311814700.XA patent/CN117706805A/en active Pending
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