CN220340503U

CN220340503U - PC lens capable of delaying myopia deepening

Info

Publication number: CN220340503U
Application number: CN202321126132.XU
Authority: CN
Inventors: 王前进
Original assignee: Danyang Shuotu Photoelectric Technology Co ltd
Current assignee: Danyang Shuotu Photoelectric Technology Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2024-01-12
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a PC lens for delaying myopia deepening, which comprises a lens main body, micro convex lenses, a single light area and a defocus intervention area, wherein the lens main body is divided into the single light area and the defocus intervention area, the single light area is positioned at the center of the lens main body, the defocus intervention area is positioned at the periphery of the single light area, the micro convex lenses are arranged at the periphery of the center of the lens main body and are positioned on the inner side surface of the lens main body, and the micro convex lenses are distributed in the defocus intervention area. The lattice type micro lens on the inner surface of the lens is designed to form a myopia defocusing area with thickness close to the eyeball shape; the inner surface of the lens is designed by using a defocus principle, and a continuous peripheral myopia defocus region is formed in a non-microlens region of the lens; the function of retarding myopia is realized, and better imaging quality is achieved.

Description

PC lens capable of delaying myopia deepening

Technical Field

The utility model relates to the technical field of spectacle lenses, in particular to a PC lens for delaying myopia and deepening.

Background

Lenses are the necessary components that make up the spectacles for improving vision, protecting the eyes, or as decorative applications. The glasses can correct various vision problems such as myopia, hyperopia, astigmatism, presbyopia, strabismus or amblyopia. As modern electronic devices are popular in life, the dependence of people on them increases, which results in an increase in the degree of eyes used by people, and vision problems increase the dependence of people on glasses.

Lenses used in the market at present can effectively correct vision problems, but with the use of glasses for a long time, the vision degree is easy to increase, so that a PC lens for delaying myopia and deepening is proposed so as to solve the problems.

Disclosure of Invention

The utility model aims to provide a PC lens for delaying myopia and deepening, which solves the problem that the prior glasses for a long time provided by the background technology can easily cause the accelerated rise of vision power.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a delay PC lens that myopia deepens, includes lens main part, miniature convex lens, single light region and defocus intervene the region, the lens main part divide into single light region and defocus intervene the region, single light region is located the central point of lens main part, defocus intervene the region and be located the periphery of single light region, the central periphery of lens main part is provided with miniature convex lens, and miniature convex lens is located the medial surface of lens main part to miniature convex lens distributes in defocus intervene the region.

Preferably, the diameter of the single light zone on the lens body is 9mm + -1.

The miniature convex lenses are in a lattice structure in the defocus intervention area, the lattice shapes formed by the miniature convex lenses are distributed in concentric circles, and the ring pitches are also distributed gradually.

Preferably, the outer diameter of the lattice structure formed by the micro convex lenses is about 55mm, and the lattice structure is distributed in 11 layers.

Preferably, the pitch of the lattice structure formed by the micro convex lenses is designed in an increasing way, and the pitch of the outermost 2 circles is increased.

Compared with the prior art, the utility model has the beneficial effects that: the PC lens for delaying myopia deepening;

(1) The material of the lens is high-quality PC material, and has excellent molding performance; the single light area in the center of the lens can provide more proper diopter for users with ametropia so as to achieve the effect of clear vision;

(2) The outside of the lens center is a series of micro convex lenses with specific designs, the values of the spherical lens and the cylindrical lens at the periphery of the whole optical center are changed, and the horizontal and vertical visual fields are equivalent; the peripheral object image of the macula is still in front of retina and is more close to the cornea direction, so that the macula area is free from defocus, and the paracenter is in a myopia defocus state, so that myopia is delayed and rapid deepening is realized;

(3) The lattice type micro lens on the inner surface of the lens is designed to form a myopia defocusing area with thickness close to the eyeball shape; the inner surface of the lens is designed by using a defocus principle, and a continuous peripheral myopia defocus region is formed in a non-microlens region of the lens; the function of retarding myopia is realized, and better imaging quality is achieved.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of FIG. 1 at A-A according to the present utility model.

In the figure: 1. a lens body; 2. a micro convex lens; 3. a single light region; 4. defocus intervention region.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled 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.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a PC lens that delay myopia deepens, including lens main part 1, miniature convex lens 2, single light region 3 and defocus intervening region 4, lens main part 1 divide into single light region 3 and defocus intervening region 4, single light region 3 is located the central point of lens main part 1, defocus intervening region 4 is located the periphery of single light region 3, the central periphery of lens main part 1 is provided with miniature convex lens 2, and miniature convex lens 2 is located the medial surface of lens main part 1, and miniature convex lens 2 distributes in defocus intervening region 4.

The material of the lens main body 1 is high-quality PC material, and has excellent molding performance; the diameter of the single light area 3 in the center of the lens main body 1 is about 9mm, so that more proper diopter can be provided for users with ametropia, and the effect of clear vision is achieved.

A series of micro convex lenses 2 with specific designs are arranged outside the center of the lens main body 1, the micro convex lenses 2 with lattice structures are defocus intervention areas 4 of the lens main body 1, the lattice shapes of the micro convex lenses are distributed in concentric circles, and the ring pitches are also distributed gradually; the values of the spherical lens and the cylindrical lens at the periphery of the whole optical center are changed, and the horizontal visual field and the vertical visual field are equivalent; the peripheral object image of the macula is still in front of retina and is more close to cornea direction, so that the macula area is free from defocus, and the paracenter is in a myopia defocus state, so that myopia is delayed and rapid deepening is realized.

The outer diameter of the micro convex lens 2 lattice is about 55mm, and the micro convex lens 2 lattice is distributed in 11 layers; the spacing of the dot matrix of the miniature convex lens 2 is designed in an increasing way, and the spacing of the outermost 2 circles is obviously increased; the gap between the micro convex lenses 2 is between 0.5mm and 0.8mm, so that the lens is more comfortable for a user to wear; the defocus amount of the innermost 2 turns is maximum and then gradually decreases to the outermost turn layer.

The lattice type miniature convex lens 2 on the inner surface of the lens main body 1 is provided with a myopia defocus region which is in a thickness close to the eyeball shape.

The inner surface of the lens body 1 is designed by using the defocus principle, and a continuous peripheral myopia defocus region is formed in a non-microlens region of the lens; the function of retarding myopia is realized, and better imaging quality is achieved.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a delay PC lens that myopia deepens, includes lens main part (1), miniature convex lens (2), single light region (3) and defocus intervention region (4), its characterized in that: the lens main body (1) is divided into a single light area (3) and a defocus intervention area (4), the single light area (3) is located at the central position of the lens main body (1), the defocus intervention area (4) is located at the periphery of the single light area (3), the micro convex lens (2) is arranged at the central periphery of the lens main body (1), the micro convex lens (2) is located on the inner side surface of the lens main body (1), and the micro convex lens (2) is distributed in the defocus intervention area (4);

the miniature convex lenses (2) are in a lattice structure in the defocusing interference area (4), the lattice shapes formed by the miniature convex lenses (2) are distributed in concentric circles, and the ring pitches are also distributed gradually.

2. A PC lens for retarding myopia progression according to claim 1, wherein: the diameter of the single light area (3) on the lens main body (1) is 9 mm+/-1.

3. A PC lens for retarding myopia progression according to claim 1, wherein: the outer diameter of the lattice structure formed by the miniature convex lenses (2) is about 55mm, and the lattice structure is distributed in 11 layers.

4. A PC lens for retarding myopia progression according to claim 3, wherein: the spacing of the lattice structure formed by the miniature convex lenses (2) is of incremental design, and the spacing of the outermost 2 circles is increased.