CN213659117U

CN213659117U - Out-of-focus lens for preventing and relieving myopia

Info

Publication number: CN213659117U
Application number: CN202020806138.1U
Authority: CN
Inventors: 何祥; 渠浩
Original assignee: Chongqing Dacheng Technology Co ltd
Current assignee: Chongqing Aipin Optical Glasses Co ltd; Chongqing Daaicheng Technology Group Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-07-09
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a prevention and defocus lens of alleviating myopia, including the picture frame, the embedded lens body that is equipped with of picture frame, the whole concavo-convex mirror that is of lens body, the lens body is by interior and outer central correction district, other center from the focal area and peripheral from the focal area of being equipped with in proper order, central correction position in the central point of lens body puts, peripheral out of focus position in the edge of lens body, other center out of focus position is between central correction district and peripheral out of focus area, the asymmetric seven camber rings that have individual eyes back polar region that match in peripheral out of focus area, the camber ring includes the closed camber ring of the ring type with lens body central point diffusion. The out-of-focus lens for preventing and relieving myopia fundamentally solves the phenomenon of hyperopia out-of-focus at the periphery of the retina caused by the traditional optical glasses, and provides more comfortable, accurate and clear vision quality experience for children and teenagers with myopia patients.

Description

Out-of-focus lens for preventing and relieving myopia

Technical Field

The utility model relates to an asymmetric out of focus design lens correlation technique field specifically is a prevention and alleviates myopic out of focus lens.

Background

The myopia is that parallel light rays are refracted by a dioptric system of the eye under the condition that the eye is in a relaxed state, a focus is in front of a retina, and the defocusing lens is a functional lens which is specially developed for teenagers and children and used for reducing the side-center defocusing phenomenon. The myopia has clear central vision, prevents the axis growth myopia generated by peripheral retina, and delays the deepening of the myopia degree of teenagers.

However, the traditional optical glasses easily cause the phenomenon of hyperopia defocusing of the periphery of the retina, so that the visual quality experience of children and teenagers with myopia patients is uncomfortable, and the accuracy and the definition are not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevention and the out of focus lens of alleviating myopia to provide traditional optical glasses in solving above-mentioned background art and easily lead to the peripheral hyperopia out of focus phenomenon of retina, cause children's teenagers myopia patient visual quality to experience uncomfortable, problem that precision and definition are not high.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevention and alleviate myopic out of focus lens, includes the picture frame, the embedded lens body that is equipped with of picture frame, the whole concave-convex lens that is of lens body, the lens body is by interior and outer central correction district, other center out of focus district and peripheral out of focus district of being equipped with in proper order, central correction district is located the central point of lens body and puts, peripheral out of focus position is in the edge of lens body, other out of focus position is located between central correction district and the peripheral out of focus district, peripheral out of focus district asymmetric matching has seven curvature rings of individual eyes back polar region, the curvature ring includes the closed curved ring of ring type with lens body central point diffusion, the central point of lens body is 0 degree.

Preferably, the distance from the center point of the lens body to the first curvature ring at the left end is 7mm, and the distance from the center point of the lens body to the first curvature ring at the right end is 6 mm.

Preferably, the distance from the center point of the lens body to the first curvature ring at the upper end is 4mm, and the distance from the center point of the lens body to the first curvature ring at the lower end is 7 mm.

Preferably, the first curvature ring is spaced 2mm apart from the upper seventh curvature ring, and the right first curvature ring is spaced 2mm apart from the right seventh curvature ring.

Preferably, the first curvature ring to the left seventh curvature ring are spaced 3mm apart each other, and the lower first curvature ring to the lower seventh curvature ring are spaced 3mm apart each other.

Preferably, the seven said curvature rings are tapered by 0.50 degrees between each ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the curvature of the back polar part of the individual eye is asymmetrically matched through the peripheral defocus area, the myopia can be effectively prevented from occurring and the myopia development can be relieved based on the myopia defocus theory, and the method is realized through the Freform free-form surface masonry turning milling technology, so that the precision is higher;

2. the out-of-focus lens for preventing and relieving myopia fundamentally solves the phenomenon of hyperopia out-of-focus at the periphery of the retina caused by the traditional optical glasses, and provides more comfortable, accurate and clear vision quality experience for children and teenagers with myopia patients.

Drawings

Fig. 1 is a schematic structural diagram of the myopic out-of-focus lens for preventing and alleviating the present invention.

In the figure: 1 lens body, 2 central correction area, 3 side central focusing area, 4 peripheral focusing area and 5 lens frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, the present invention provides an embodiment: the utility model provides a prevention and alleviate myopic out of focus lens, including picture frame 5, the embedded lens body 1 that is equipped with of picture frame 5, lens body 1 is whole to be the concave-convex lens, lens body 1 is by interior and be equipped with central correction district 2 outward in proper order, other central out of focus district 3 and peripheral out of focus district 4, central correction district 2 is located the central point of lens body 1 and puts, peripheral out of focus district 4 is located the edge of lens body 1, other central out of focus district is located central correction district 2 and peripheral out of focus between 4, peripheral 4 asymmetric matches of out of focus district have seven camber rings of individual eyes back polar portion, the camber ring includes the closed camber ring of ring type with the diffusion of lens body 1 central point, the central point of lens body 1 is 0 degree.

The utility model discloses in: the distance from the central point of the lens body 1 to the first curvature ring at the left end is 7mm, and the distance from the central point of the lens body 1 to the first curvature ring at the right end is 6 mm; the distance from the central point of the lens body 1 to the first curvature ring at the upper end is 4mm, and the distance from the central point of the lens body 1 to the first curvature ring at the lower end is 7 mm; the interval between the first curvature ring at the upper end and the seventh curvature ring at the upper end is 2mm, and the interval between the first curvature ring at the right end and the seventh curvature ring at the right end is 2 mm; the interval between the first curvature ring at the left end and the seventh curvature ring at the left end is 3mm, and the interval between the first curvature ring at the lower end and the seventh curvature ring at the lower end is 3 mm; the seven curvature rings are tapered by 0.50 degrees between each ring.

The working principle is as follows: through the 4 asymmetric curvatures that match individual eyes back polar part in peripheral out-of-focus district, based on myopia nature out-of-focus theory, can effectively prevent near-sighted emergence and alleviate myopia development, realize through Freeform free-form surface masonry turning milling technology, the precision is higher.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevention and alleviate out of focus lens of myopia, includes picture frame (5), its characterized in that: the embedded lens body (1) that is equipped with in picture frame (5), lens body (1) wholly is the concave-convex mirror, lens body (1) is by interior and outer central correction district (2), other central defocus area (3) and peripheral defocus area (4) of being equipped with in proper order, central correction district (2) are located the central point of lens body (1) and put, peripheral defocus area (4) are located the edge of lens body (1), other central defocus area is located central correction district (2) and peripheral defocus area (4) between, peripheral defocus area (4) asymmetric matching has seven curvature rings of individual eyes back polar portion, the curvature ring is including the closed curved ring of the ring type with lens body (1) central point diffusion, the central point of lens body (1) is 0 degree.

2. A myopic, defocus lens of claim 1 for preventing and relieving myopia, wherein: the distance from the central point of the lens body (1) to the first curvature ring at the left end is 7mm, and the distance from the central point of the lens body (1) to the first curvature ring at the right end is 6 mm.

3. A myopic, defocus lens of claim 1 for preventing and relieving myopia, wherein: the distance from the central point of the lens body (1) to the first curvature ring at the upper end is 4mm, and the distance from the central point of the lens body (1) to the first curvature ring at the lower end is 7 mm.

4. A myopic, defocus lens of claim 2, wherein: the interval between the first curvature ring and the seventh curvature ring at the upper end is 2mm, and the interval between the first curvature ring at the right end and the seventh curvature ring at the right end is 2 mm.

5. A myopic, defocus lens of claim 2, wherein: the interval between the first curvature ring and the seventh curvature ring at the left end is 3mm, and the interval between the first curvature ring at the lower end and the seventh curvature ring at the lower end is 3 mm.

6. A myopic, defocus lens of claim 1 for preventing and relieving myopia, wherein: seven of the curvature rings are tapered by 0.50 degrees between each ring.