CN220962049U - Multi-point defocusing myopia-preventing prismatic lens - Google Patents
Multi-point defocusing myopia-preventing prismatic lens Download PDFInfo
- Publication number
- CN220962049U CN220962049U CN202322696587.1U CN202322696587U CN220962049U CN 220962049 U CN220962049 U CN 220962049U CN 202322696587 U CN202322696587 U CN 202322696587U CN 220962049 U CN220962049 U CN 220962049U
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- prism
- refraction
- prism body
- area
- myopia
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- 208000001491 myopia Diseases 0.000 title claims abstract description 25
- 230000004379 myopia Effects 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims description 34
- 230000002265 prevention Effects 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 8
- 239000005437 stratosphere Substances 0.000 claims 1
- 206010020675 Hypermetropia Diseases 0.000 abstract description 5
- 201000006318 hyperopia Diseases 0.000 abstract description 5
- 230000004305 hyperopia Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 230000004438 eyesight Effects 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 201000009487 Amblyopia Diseases 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 201000010041 presbyopia Diseases 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Abstract
The utility model relates to the technical field of light refraction, and provides a multi-point defocusing myopia-preventing prism which comprises a prism body, wherein the middle part of the prism body is biased to one side, a flat-shooting area is arranged in the middle of the prism body, a first refraction area is arranged on the periphery of the surface of the flat-shooting area, a second refraction area is arranged on the periphery of the surface of the first refraction area, high-temperature explosion-proof films are arranged on two sides of the prism body, the prism body refracts from four sides to the middle part, the first refraction area is a myopia refraction area, the refraction angle of the first refraction area is 1.71, the second refraction area is a hyperopia refraction area, the refraction angle of the second refraction area is 1.56, and the prism body and the high-temperature explosion-proof films are arranged.
Description
Technical Field
The utility model relates to the technical field of light refraction, in particular to a multi-point defocusing myopia-preventing prismatic lens.
Background
Reflection and refraction are when a planar electromagnetic wave (incident wave) in a medium 1 is projected onto the interface (provided it is an infinitely thin, infinite plane) of two media (provided that it is both linear, uniform, isotropic), a portion of the energy is reflected back, called reflected wave; the remaining energy entering the medium 2 continues to travel, known as refracted waves, and as the science is further deepened into myopia studies, the glasses (glasses) are composed of lenses and frames to improve vision, protect eyes, or as decorative articles, in a way that gradually solves myopia by refracting light. Glasses can correct various vision problems including myopia, hyperopia, astigmatism, presbyopia, strabismus or amblyopia, and the like, and the glasses consist of lenses and glasses frames. According to the purpose of the glasses, there are 15 kinds of glasses, including myopia glasses, hyperopia glasses, presbyopic glasses, astigmatism glasses, plano glasses, computer goggles, swimming glasses, night glasses, electronic contest goggles, sunglasses, toy glasses and sunglasses, and there are special glasses for watching 3D stereoscopic images or virtual real images, and other kinds of glasses, including goggles, sunglasses, swimming glasses, etc., provide various protection effects for eyes. Modern glasses are usually provided with a nose pad in the middle of the lens and soft pads at the positions where the left and right arms rest on ears. People loving beauty or not wearing glasses can choose to correct vision by using the contact lenses.
The Chinese patent discloses a defocusing lens, the publication number is CN217932310U, the defocusing lens is proposed, and a defocusing area is formed by arranging a micro lens between resin monomers at two sides, so that the defocusing area is provided with light in comparison with a central prescription area, a defocusing surface is formed in front of retina of a user, and the effect of preventing and controlling myopia is achieved; in the follow-up film adding process of defocused lenses, the micro lenses in the defocused areas cannot influence the uniformity of the film layer, so that the transmittance is identical, the accuracy of lens light adding cannot be influenced, but in the long-term use process of the lenses, cracks appear on the surfaces of the lenses due to the fact that the lenses are subjected to oil explosion phenomenon under high-temperature environment, the light refraction range efficiency can be influenced when the lenses are used in the later period, and irreversible damage is easily caused to the lenses.
Disclosure of utility model
The utility model aims to provide a multi-point defocused myopia-preventing prismatic lens, which solves the problems that in the related art, in the long-term use process of the lens, the lens is subjected to oil explosion phenomenon under a high-temperature environment, so that cracks appear on the surface of the lens, the light refraction range efficiency is influenced in the later use process, and irreversible damage is easily caused to the lens.
The technical scheme of the utility model is as follows: the utility model provides a multiple spot defocusing myopia prevention prism, includes the prism body, the middle part of prism body is to one side deflection setting, the middle part of prism body is provided with the flat district that penetrates, be provided with first refraction district around the flat district surface, be provided with the second refraction district around the first refraction district surface, the both sides of prism body all are equipped with high temperature rupture membrane.
Preferably, the prism body refracts from four sides toward the middle.
Preferably, the first refraction area is a near vision refraction area, and the refraction angle of the first refraction area is 1.71.
Preferably, the second refractive region is a far-vision refractive region, and the refractive angle of the second refractive region is 1.56.
Preferably, the surface of the prismatic lens body is sleeved with a glasses frame component, and the glasses frame component is made of soft rubber.
Preferably, the glasses frame assembly comprises glasses frames clamped with the prismatic lens body, and glasses legs are connected to two opposite sides of each glasses frame.
Preferably, the glasses frame is connected with a nose pad in the opposite inner part, and the nose pad is made of soft rubber.
Preferably, the diameter of the flat shot region is 20mm.
The utility model has the beneficial effects that:
Through the setting of prism body and high temperature rupture membrane, can reach when using, through the both sides at the prism body add high temperature rupture membrane, reduce the direct contact of high temperature environment to the prism body to reduce the possibility that "oil explodes" appears, the protection prism body in the maximum extent.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a concave structure of a prism body according to the present utility model;
FIG. 2 is a schematic view showing the convex structure of the prism body according to the present utility model;
FIG. 3 is a schematic side perspective view of a prismatic lens body according to the present utility model;
FIG. 4 is a schematic view of a frame assembly according to the present utility model;
In the figure: 1. a prism body; 101. a flat shot region; 102. a first refractive region; 103. a second refraction region; 2. a high temperature explosion-proof membrane; 3. a spectacle frame assembly; 301. a spectacle frame; 302. a temple; 303. a nose pad.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, this embodiment provides a multi-point defocus myopia prevention prism lens, including a prism lens body 1, wherein the middle part of the prism lens body 1 is biased to one side, through the arrangement that the middle part of the prism lens body 1 is biased to one side, the effect that the prism lens body 1 is used as a concave-convex lens can be achieved in use, the refraction effect on light is achieved through the concave-convex use, the middle part of the prism lens body 1 is provided with a flat shot 101, through the arrangement of the flat shot 101, the effect of being used as the area with the minimum light refraction degree can be achieved in use, the diameter of the flat shot 101 is 20mm, through the arrangement of the flat shot 101, the effect of adapting to the diameter of human eyes can be achieved in use, the periphery of the surface of the flat shot 101 is provided with a first refraction area 102, through the arrangement of the first refraction area 102, the first refraction area 102 is a myopia refraction area, the setting of the myopia refraction area through the first refraction area 102 can achieve the function of observing a short distance, the refraction angle of the first refraction area 102 is 1.71, the second refraction area 103 is arranged around the surface of the first refraction area 102, the setting of the second refraction area 103 can achieve the function of observing a long distance, the second refraction area 103 is a hyperopia refraction area, the setting of the second refraction area 103 is a hyperopia refraction area, the function of refracting a long distance light can be achieved during use, the refraction angle of the second refraction area 103 is 1.56, the setting of the refraction angle of the first refraction area 102 is 1.71 and the refraction angle of the second refraction area 103 is 1.56, the lower the refraction angle is thinner the four corners are the thinner according to glasses data, the refraction angle 1.71 is greater than the refraction angle 1.56, therefore accomplish the centre sunken, the bellied effect in four corners, the prism body 1 is by four sides position to middle part refraction, the both sides of prism body 1 all are equipped with high temperature rupture membrane 2, through the setting of high temperature rupture membrane 2, can reach when using through the both sides at prism body 1 additional high temperature rupture membrane 2, reduce the direct contact of high temperature environment to prism body 1, thereby reduce the possibility that appears "oil explosion phenomenon", protect prism body 1 to the maximum extent, increase prism body 1 life's effect to the maximum extent.
The glasses frame component 3 is sleeved on the surface of the prism body 1, the glasses frame component 3 is made of soft rubber, the glasses frame 301 can be directly pressed down to the nose bridge through the setting of the nose support 303, and the nose support 303 is made of soft rubber.
In this embodiment, by setting the flattening area 101, the first refraction area 102 and the second refraction area 103 of the prism body 1, the distance between the user and the visual object is matched, and when the visual object is located at the front of the eyes of the user, 3-5 meters and more, respectively, the user uses the flattening area 101, the first refraction area 102 and the second refraction area 103 in order, thereby using the light refraction phenomenon.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a multiple spot defocusing myopia prevention prism, its characterized in that, includes prism body (1), the middle part of prism body (1) is to one side deflection setting, the middle part of prism body (1) is provided with flat district (101), be provided with first refraction district (102) around flat district (101) surface, be provided with second refraction district (103) around first refraction district (102) surface, the both sides of prism body (1) all are equipped with high temperature rupture membrane (2).
2. A multi-point defocus myopia prevention prism according to claim 1, wherein the prism body (1) refracts from four sides toward the middle.
3. The multi-point defocus myopia prevention prism according to claim 1, wherein the first refractive zone (102) is a myopia refractive zone, and the refractive angle of the first refractive zone (102) is 1.71.
4. A multi-point defocus myopia prevention prism according to claim 1, wherein the second refractive zone (103) is a hyperopic refractive zone, and the refractive angle of the second refractive zone (103) is 1.56.
5. The multi-point defocus myopia prevention prism as claimed in claim 1, wherein the surface of the prism body (1) is sleeved with a glasses frame assembly (3), and the glasses frame assembly (3) is made of soft rubber.
6. The multi-point defocus myopia prevention prism as claimed in claim 5, wherein said lens frame assembly (3) comprises a lens frame (301) clamped with a prism body (1), and opposite sides of said lens frame (301) are connected with lens legs (302).
7. The multi-point defocus myopia prevention prism according to claim 5, wherein the glasses frame (301) is connected with a nose pad (303) relatively, and the nose pad (303) is made of soft rubber.
8. A multipoint defocus myopia prevention prism according to claim 1, wherein the diameter of the stratosphere (101) is 20mm.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220962049U true CN220962049U (en) | 2024-05-14 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |