CN113341592B

CN113341592B - Spectacle lenses

Info

Publication number: CN113341592B
Application number: CN202110656194.0A
Authority: CN
Inventors: 陈冠南; 周瑜
Original assignee: Albo Technology Co ltd
Current assignee: Albo Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2025-01-28
Anticipated expiration: 2041-06-11
Also published as: CN113341592A

Abstract

The present application relates to the technical field of myopia lenses, and discloses a spectacle lens, which includes: a first refractive area, having a plurality of first lenses, the plurality of first lenses causing light to form an image on the retina; and a second refractive area, having a plurality of second lenses, the plurality of second lenses causing light to form an image in front of the retina; wherein the first lens and the second lens are both prisms, the first lens is tilted in a direction toward the center of the spectacle lens, and the second lens is tilted in a direction away from the center of the spectacle lens. Since the tilt directions of the first lens and the second lens are inconsistent, the focused light is deflected inconsistently, parallel light is refracted outward through the first lens, and finally forms an image on the retina through joint refraction on the inner surface of the spectacle lens, which is the correction area, and parallel light is refracted inward through the second lens, and finally forms an image in front of the retina through joint refraction on the inner surface of the spectacle lens, which is the defocus area, avoiding hyperopic defocus, thereby effectively controlling the backward growth of the eyeball.

Description

Spectacle lens

Technical Field

The application relates to the technical field of myopia glasses, in particular to an ophthalmic lens.

Background

Because of the unique physiological mechanism of eyeballs, the refraction of eyes is asymmetric up, down, left and right, and the amount of the eyeball asymmetry of each person is different, the defocusing lens in the prior art is not subjected to regional correction or customized according to individual differences, so that the correct defocusing effect cannot be completely generated, and the myopia prevention and control effect is not obvious. The conventional myopia correction lenses are mostly single-light lenses, when the myopia correction lenses are worn, middle light rays are focused on retina, and peripheral light rays are focused behind retina, and researches show that the focusing mode of the single-light lenses can aggravate myopia development of a myopic person.

In order to suppress myopia progression, some researchers have proposed an accommodation theory and a defocus theory, and designed defocus eyeglasses, which are provided with a first refractive region for correcting vision, and a second refractive region for suppressing myopia progression, which focuses light in front of the retina, formed as a plurality of island-shaped regions independent of each other or formed as a continuous fresnel lens, and in use, suppress progression of myopia by visually recognizing an image of an object formed by the first refractive power while visually recognizing an image obtained in front of the retina by a second refractive power other than the first refractive power.

In the related art, the preretinal imaging is formed by refracting parallel light through a plurality of mutually independent island-shaped areas or through a continuous fresnel lens and focusing the parallel light ahead of the retina, and the size and the tortuosity of each microlens or zigzag lens of the fresnel lens in the mutually independent island-shaped areas are difficult to control, so that light cannot be refracted according to a given tortuosity requirement, thereby affecting myopia correction.

Disclosure of Invention

The application provides an ophthalmic lens, which aims to solve the technical problem that the size and the tortuosity of each microlens are difficult to control, so that light rays cannot be refracted according to the set tortuosity requirement.

The present application provides an ophthalmic lens comprising:

a first refractive region having a plurality of first lenses for imaging light rays on the retina, and

A second refractive region having a plurality of second lenses, a plurality of said second lenses imaging light rays in front of the retina;

The first lens and the second lens are prisms, the first lens is inclined along the direction facing the center of the spectacle lens, and the second lens is inclined along the direction facing away from the center of the spectacle lens.

In an alternative aspect of the present application, the dimensions of each of the first lenses in the first refractive region are the same, and the inclination angle of each of the first lenses is α,10 ° < α <60 °;

the dimensions of each second lens in the second refraction area are the same, and the inclination angle of each second lens is beta, 10 degrees < beta <60 degrees.

In an alternative embodiment of the present application, the second lens in each second Qu Guangou field has a size difference of 100nm to 100 μm.

In one alternative of the present application, the second lens of each of the second refractive regions has at least three different sizes.

In one alternative of the application, the area of the first lens in the first refractive region is 0.5mm ²-3.5mm² and the area of the second lens in the second Qu Guangou region is 0.5mm ²-3.5mm².

In one alternative of the application, the first refractive region and the second refractive region are radially staggered.

In an alternative scheme of the application, a plurality of first lenses are arranged continuously along the circumferential direction to form a plurality of concentric circles, and a plurality of second lenses are arranged continuously along the circumferential direction to form a plurality of concentric circles, wherein the diameter of a center circle close to the center of the spectacle lens is 10mm-12mm.

In an alternative of the present application, the diopters of each of the second refractive regions are the same.

In one alternative of the application, the second refractive region is divided into:

a first functional region for adjusting the refractive error of the eyeball, the first functional region comprising an inner functional region and an outer functional region, the inner functional region and the outer functional region being two oppositely arranged sector-shaped regions, and

The second functional area is used for adjusting the distance of the object, the second functional area comprises a far functional area, a near functional area and a middle distance functional area, the near functional area surrounds the middle distance functional area, and the near functional area, the far functional area and the middle distance functional area form two oppositely arranged fan-shaped areas.

In one embodiment of the application, the near functional region is in the same sector as the intermediate functional region.

In one embodiment of the present application, an included angle between one side of the inner functional area phase or the outer functional area and the horizontal direction is 30 °, and an included angle between the other side of the inner functional area phase or the outer functional area and the horizontal direction is 45 °.

In an alternative of the present application, the refractive power of the distal functional section and the intermediate functional section

+2.00D- +3.00D, the refractive power of the proximal functional region +2.50D- +3.50D, the refractive power of the medial functional region +2.50D- +3.50D, and the refractive power of the lateral functional region +1.50D- +2.50D.

In one alternative of the application, the second refractive zone comprises 20% -60% of the lens area.

In an alternative aspect of the present application, the ophthalmic lens includes:

The first surface is a plane or a convex surface, the first surface is provided with the first refraction area and the second refraction area, the first surface is also provided with a functional film layer, the functional film layer comprises a soaking type film adding hard layer, a rotary spraying film adding hard layer, an anti-reflection AR film layer, a blue light preventing film layer, an anti-fatigue film layer or a vacuum coating layer, and

And the second surface is arranged opposite to the first surface, is arranged close to the face and is a concave surface.

In one embodiment of the application, the first lens and the second lens protrude from the first face and/or the first lens and the second lens are recessed with respect to the first face.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

According to the spectacle lens provided by the embodiment of the application, the inclination directions of the first lens and the second lens are inconsistent, so that the focused light is deflected and inconsistent, the parallel light is outwards refracted through the first lens and finally imaged on the retina through the combined refraction of the inner surface of the spectacle lens, the corrected area is formed by inwards refracting the parallel light through the second lens and finally imaged on the front retina through the combined refraction of the inner surface of the spectacle lens, and the defocused area is formed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a side view of an ophthalmic lens provided in an embodiment of the present application;

FIG. 2 is a schematic view of an embodiment of an ophthalmic lens;

FIG. 3 is a front view of an undivided area of an ophthalmic lens according to an embodiment of the present application;

fig. 4 is a front view of an ophthalmic lens dividing region provided in an embodiment of the present application;

FIG. 5 is a refractive schematic diagram of a first lens according to an embodiment of the present application;

fig. 6 is a refractive schematic diagram of a second lens according to an embodiment of the present application.

Reference numerals:

1. The optical lens comprises a first refraction area, 11 parts of a first lens, 2 parts of a second refraction area, 21 parts of a second lens, 31 parts of an inner functional area, 32 parts of an outer functional area, 41 parts of a far functional area, 42 parts of a near functional area, 43 parts of a middle distance functional area, 51 parts of a first surface, 52 parts of a second surface.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In order to solve the technical problems, the application provides an eyeglass lens, which comprises a first refraction area, a second refraction area and a first lens, wherein the first refraction area is provided with a plurality of first lenses, the first lenses image light rays on retina, the second refraction area is provided with a plurality of second lenses image light rays in front of retina, the first lenses and the second lenses are prisms, the first lenses incline towards the center of the eyeglass lens, and the second lenses incline away from the center of the eyeglass lens.

It will be appreciated by those skilled in the art that the ophthalmic lens is formed from glass and the first lens and the second lens are integrally formed, with the difference that the diopters of the first lens and the second lens are different to ensure differential customization in each region.

For a more specific understanding of the technical idea of the present application, the following description of exemplary embodiments is given with reference to the accompanying drawings:

as shown in fig. 1-6, the present application provides an ophthalmic lens comprising a first refractive zone 1 having a plurality of first lenses 11, a plurality of said first lenses 11 imaging light rays on the retina, and a second refractive zone 2 having a plurality of second lenses imaging light rays in front of the retina, wherein both said first lenses 11 and said second lenses are prisms, said first lenses 11 being inclined in a direction towards the center of said ophthalmic lens, said second lenses being inclined in a direction away from the center of said ophthalmic lens.

According to the spectacle lens provided by the embodiment of the application, the inclination directions of the first lens 11 and the second lens are inconsistent, so that the focused light is deflected and inconsistent, the parallel light is outwards refracted through the first lens 11 and finally imaged on the retina through the combined refraction of the inner surface of the spectacle lens, which is a correction area, the parallel light is inwards refracted through the second lens and finally imaged on the front retina through the combined refraction of the inner surface of the spectacle lens, which is an defocus area, by the arrangement, the light is enabled to realize the change of the refraction position and the focus position of the light according to the set bending requirements of the first lens 11 and the second lens, the ensured light is just focused on the retina, the second refraction area 2 is focused on the front retina, the defocus of the far vision is avoided, the backward growth trend of the eyeball is effectively restrained, and the myopia prevention and control function is realized.

In an alternative aspect of the present application, the dimensions of each first lens 11 in the first refractive region 1 are the same, and the inclination angle of each first lens 11 is α,10 ° < α <60 °, and the dimensions of each second lens in the second refractive region 2 are the same, and the inclination angle of each second lens is β,10 ° < β <60 °.

In an alternative of the application, the second lenses in each of the second refractive regions 2 have a difference in size of 100nm-100 μm. In particular, the second lens of each of the second refractive regions 2 has at least three different dimensions.

In an alternative of the application, the area of the first lens 11 in the first refractive region 1 is 0.5mm ²-3.5mm² and the area of the second lens in the second refractive region 2 is 0.5mm ²-3.5mm².

In an alternative of the application, the first refractive zone 1 and the second refractive zone 2 are staggered radially.

In one embodiment of the application, the first lens 11 and the second lens protrude from the spectacle lens and/or the first lens 11 and the second lens are recessed in the direction of the spectacle lens. It is noted that the first lens 11 and the second lens may be convex or concave with respect to the ophthalmic lens to control the imaging requirements of the different areas.

In one embodiment of the present application, the plurality of first lenses 11 and the plurality of second lenses are annularly distributed on the ophthalmic lens, and form a plurality of concentric circles, and the concentric circles take the center of the ophthalmic lens as the center of a circle. As an example, as shown in fig. 3, the lens comprises a plurality of concentric circles formed by a plurality of annular bands, the diameter of the first concentric circle near the center is 10.00mm-12.00mm from inside to outside, the inside of the annular band corresponds to a clear imaging area, and the second refraction area 2 is 20% -60% of the area occupied by the lens. An individuation wave-front aberration guiding spectacle lens is prepared.

As shown in fig. 3, the refractive power of each second refractive region 2 is the same and is uniform throughout the circle.

Or as shown in fig. 4, for the functional division of the spectacle lens, the second refractive region 2 is divided into a first functional region for adjusting the refractive error of the inside and outside of the eyeball, the first functional region includes an inner functional region 31 and an outer functional region 32, the inner functional region 31 and the outer functional region 32 are two oppositely arranged fan-shaped regions with a central angle of 60-90 degrees, and a second functional region for adjusting the distance of the vision object, the second functional region includes a far functional region 41, a near functional region 42 and a middle distance functional region 43, the near functional region 42 surrounds the middle distance functional region 43, and the near functional region 42, the far functional region 41 and the middle distance functional region 43 form two oppositely arranged fan-shaped regions with a central angle of 90-120 degrees.

As shown in fig. 3, the far functional area 41 is located on the upper side, the middle distance functional area 43 and the near functional area 42 are located on the lower side, the inner functional area 31 is located near the nose side, the outer functional area 32 is located near the temporal side, the diopters of the microlenses in the different functional areas are different, when the wearer wears the device, no vision unclear area exists, the discomfort is low, and the wearer is easy to adapt.

Further, the positive values of the respective functional regions are as follows, the refractive power of the distal functional region 41 and the middle distance functional region 43 is +2.00D+3.00D, the refractive power of the proximal functional region 42 is +2.50D+3.50D, the refractive power of the inner functional region 31 is +2.50D+3.50D, and the refractive power of the outer functional region 32 is +1.50D+2.50D.

With continued reference to fig. 3, all the functional areas form an annular surface, wherein the inner functional area 31, the outer functional area 32, the near functional area 42, the far functional area 41 and the middle distance functional area 43 are all sector-shaped rings, and the near functional area 42 and the middle distance functional area 43 are concentrically arranged.

In one embodiment of the present application, an included angle between one side of the inner functional area 31 or the outer functional area 32 and the horizontal direction is 10-45 °, and an included angle between the other side of the inner functional area 31 or the outer functional area 32 and the horizontal direction is 10-30 °. Namely, an included angle between one side of the near functional area 42, the far functional area 41 or the middle distance functional area 43 and the horizontal line is 45-90 degrees, and an included angle between the other side of the near functional area 42, the far functional area 41 or the middle distance functional area 43 and the horizontal line is 10-30 degrees.

Through the distribution condition of the functional areas, each functional area of the spectacle lens is reasonably arranged, each functional area has a geometric optical center, a centripetal concentric circle distribution is constructed, and a single sector-shaped ring surface and a central light area form an aspheric structure with independent degrees, so that the spectacle lens has the advantages of individuation, precision quantification and low astigmatism customization.

In an alternative scheme of the application, the spectacle lens comprises a first surface 51, wherein the first surface 51 is a plane or a convex surface, the first surface 51 is provided with the first refraction area 1 and the second refraction area 2, the first surface 51 is further provided with a functional film layer, the functional film layer comprises a soaked film hardening layer, a rotary spraying film hardening layer, an anti-reflection AR film layer, a blue light preventing film layer, an anti-fatigue film layer or a vacuum coating film layer, and a second surface 52 is arranged opposite to the first surface 51, the second surface 52 is arranged adjacent to the face, and the second surface 52 is a concave surface.

In one embodiment of the application, the first lens 11 and the second lens 21 protrude from the first face 51 and/or the first lens 11 and the second lens 21 are recessed with respect to the first face 51. It should be noted that, based on the optical imaging principle and the structural features around the eyes of the human being, the position near the eyes is concave, the incident surface is convex or planar, and various functional layers can be formed on the first surface 51 to protect the glasses lens or to add various functions such as blue light resistance and fatigue resistance.

In addition, it is also understood by those skilled in the art that the foregoing ophthalmic lenses are ground by a numerically controlled lathe, or cast or injection molded by a mold, the optical surface shape is disposed on the rear surface, the front surface, or both the front and rear surfaces of the ophthalmic lenses, or the optical surface shape is disposed on the blue-ray-proof ophthalmic lenses, sunglasses, polarized ophthalmic lenses, or anti-fog ophthalmic lens surfaces, the ophthalmic lenses are mounted on a single-layer spectacle frame, or on a main or additional spectacle frame of a double-layer spectacle frame, or on a modular combined spectacle frame with lenses, nose pads, and temples freely switched by a fitter, and the ophthalmic lenses are also referred to as flexible transparent fresnel pressure-bonded ophthalmic lenses adhered to the frame ophthalmic lenses, and are cut by compression molding, or the fresnel pressure-bonded ophthalmic lenses are adhered to the ophthalmic lenses.

It should be noted that in the description and claims of the present application and in the above figures, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order of such entities or actions. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described.

Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Many modifications and variations to these embodiments will be apparent to those skilled in the art that the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An ophthalmic lens, comprising:

The first lens and the second lens are prisms, the first lens is inclined along the direction facing the center of the spectacle lens, and the second lens is inclined along the direction facing away from the center of the spectacle lens;

Wherein the area of the first lens in the first refraction area is 0.5mm ²-3.5mm², and the area of the second lens in the second Qu Guangou area is 0.5mm ²-3.5mm², and the second refraction area accounts for 20% -60% of the area of the spectacle lens;

The second refractive region is divided into:

2. The ophthalmic lens of claim 1, wherein each of said first lenses is the same size in said first refractive zone and each of said first lenses has an inclination angle of α,10 ° < α <60 °;

3. The ophthalmic lens of claim 1 wherein said second lens in said second Qu Guangou region has a dimension difference of 100nm-100 μm.

4. An ophthalmic lens according to claim 1 or 3, characterized in that the second lens of the second refractive zone has at least three different dimensions.

5. The ophthalmic lens of claim 1 wherein the first refractive region and the second refractive region are radially staggered.

6. The lens according to claim 1, wherein the plurality of first lenses are arranged continuously in the circumferential direction to form a plurality of concentric circles, and the plurality of second lenses are arranged continuously in the circumferential direction to form a plurality of concentric circles, and wherein a diameter of a center circle near a center of the lens is 10mm to 12mm.

7. The lens of claim 1, wherein the refractive power of the distal functional zone and the intermediate functional zone is +2.00D to +3.00D, the refractive power of the proximal functional zone is +2.50D to +3.50D, the refractive power of the medial functional zone is +2.50D to +3.50D, and the refractive power of the lateral functional zone is +1.50D to +2.50D.

8. The ophthalmic lens of claim 1, wherein the ophthalmic lens comprises: