CN113341593A

CN113341593A - Spectacle lens with out-of-focus function

Info

Publication number: CN113341593A
Application number: CN202110746001.0A
Authority: CN
Inventors: 陈冠南; 周瑜
Original assignee: Albo Technology Co ltd
Current assignee: Albo Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-09-03
Anticipated expiration: 2041-07-01
Also published as: CN113341593B

Abstract

The application relates to myopia prevention and control technical field, this application discloses a lens with out of focus function, this lens with out of focus function includes: a first refractive region having a plurality of concave substrates that image light on the retina; and a second refractive region having a plurality of convex shaped substrates that image light in front of the retina; the concave base materials form a continuous annular structure, the convex base materials form a continuous annular structure, and the concave base materials and the convex base materials are arranged in a staggered mode in the radial direction to form a continuous wave-shaped structure. Parallel rays diverge after passing through the concave base material, and finally form an image on the retina after passing through the joint refraction of the inner surface of the spectacle lens with the defocus function, wherein the image is a correction area, the parallel rays refract through the convex base material, and finally form an image in front of the retina after passing through the joint refraction of the inner surface of the spectacle lens with the defocus function, and the image is a defocus area, so that the hyperopia defocus is realized.

Description

Spectacle lens with out-of-focus function

Technical Field

The application relates to the technical field of myopia prevention and control, in particular to a spectacle lens with an out-of-focus function.

Background

Due to the unique physiological mechanisms of the eyeballs, the refraction of the eyes has asymmetry on the upper part, the lower part, the left part and the right part, the asymmetry amount of each eyeball is different, and the defocusing lens in the prior art has no regional correction or customized according to individual difference, so that the defocusing lens cannot completely generate correct defocusing effect, and the myopia prevention and control effect is not obvious. Conventional corrective lenses for myopia are mostly single-vision lenses, and when worn, the intermediate rays are focused on the retina, and the periphery is focused behind the retina, and researches show that the focusing mode of the single-vision lenses can aggravate the myopia development of the myopia patients.

In order to suppress the progression of myopia, some researchers have proposed accommodation theory and defocus theory, and designed out-of-focus spectacles, such lenses being provided with a first dioptric region for correcting vision, and a second dioptric region for suppressing the progression of myopia to focus light rays in front of the retina, the second dioptric region being formed as a plurality of island-shaped regions independent of each other, and suppressing the progression of myopia by an image obtained in front of the retina by a second dioptric force other than the first dioptric force while visually distinguishing the image of an object formed by the first dioptric force, when in use.

In the related art, the image formation in front of the retina is formed by parallel light refracted through a plurality of independent island-shaped regions and focused in front of the retina, and the arrangement of the independent island-shaped microlenses in the second dioptric region and the first dioptric region is difficult to control, so that the light cannot be refracted according to the given zigzag requirement, thereby affecting the myopia correction.

Disclosure of Invention

In order to solve the technical problem that the arrangement mode of the micro lenses in each bending area is difficult to control, so that light cannot be refracted according to the set bending requirement, the application provides a spectacle lens with a defocusing function.

The application provides a lens with out of focus function, includes:

a first refractive region having a plurality of concave substrates that image light rays on a retina; and the number of the first and second groups,

a second refractive region having a plurality of convex shaped substrates that image light in front of the retina;

the concave base materials form a continuous annular structure, the convex base materials form a continuous annular structure, and the concave base materials and the convex base materials are arranged in a staggered mode in the radial direction to form a continuous wave-shaped structure.

In one embodiment of the present application, each of the concave substrates has a refractive power of-0.5D to-1.00D.

In one embodiment of the present application, each of the convex substrates has a refractive power of-0.5D to-2.00D.

In one embodiment of the present application, the spectacle lens with an out-of-focus function includes: the refraction compensation layer is a plane or a convex surface; a refractive correction layer, the refractive correction layer being concave; and a functional layer both sides of which are recessed inward, the functional layer being located between the refractive compensation layer and the refractive correction layer, the functional layer having the first refractive region and the second refractive region.

In an embodiment of the application, the refractive compensation layer surface is equipped with functional membrane layer, functional membrane layer is including soaking formula adds the membrane hard coat, rotatory spraying adds the hard coat layer, subtracts anti AR rete, prevents blue light rete, antifatigue rete or vacuum coating layer.

In one embodiment of the present application, the functional layer, the refractive compensation layer and the refractive correction layer are made of at least two materials having different refractive indices.

In one embodiment of the present application, the functional layer is made of a high refractive index refractive material, and the refractive compensation layer and the refractive correction layer are made of a low refractive index refractive material.

In one embodiment of the present application, the refractive compensation layer and the refractive correction layer are made of PMMA, PET or PC.

In an embodiment of the present application, the functional layer is made of a resin material.

In one embodiment of the present application, the second refractive zone is divided into:

the first functional area is used for adjusting the refractive error of the inner side and the outer side of an eyeball and comprises an inner functional area and an outer functional area, and the inner functional area and the outer functional area are two opposite fan-shaped areas; and the number of the first and second groups,

the second functional area is used for adjusting the distance of the visual 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 opposite fan-shaped areas.

In one embodiment of the present application, the refractive power of the remote functional region and the middle-distance functional region

+2.00D- +3.00D, the refractive power of the near functional zone +2.50D- +3.50D, the refractive power of the inner functional zone +2.50D- +3.50D, the refractive power of the outer functional zone +1.50D- + 2.50D.

In an embodiment of the present application, the inner functional area, the outer functional area, the near functional area, the far functional area and the middle functional area are all sector rings, and the near functional area and the middle functional area are concentrically disposed.

In an embodiment of the present application, an angle between one of the edges of the inner functional region or the outer functional region and a horizontal direction is 10 to 45 °, and an angle between the other of the edges of the inner functional region or the outer functional region and the horizontal direction is 10 to 30 °. That is, the included angle between one side of the near functional area, the far functional area or the middle distance functional area and the horizontal line is 45-90 degrees, and the included angle between the other side of the near functional area, the far functional area or the middle distance functional area and the horizontal line is 10-30 degrees

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

the spectacle lens with the out-of-focus function provided by the embodiment of the application, the plurality of concave substrates form a continuous annular structure, the plurality of convex substrates form a continuous annular structure, each concave substrate and each convex substrate are arranged in a staggered manner along the radial direction to form a continuous wave-shaped structure, so that the convex substrates and the concave substrates are effectively controlled, light rays can be refracted according to the set zigzag requirement, in addition, the focused light rays are not deflected and refracted because the refractive power of the convex substrates and the refractive power of the concave substrates are not consistent, parallel light rays are scattered through the concave substrates and finally imaged on the retina through the combined refraction of the inner surface of the spectacle lens with the out-of-focus function, which is a correction area, the parallel light rays are refracted through the convex substrates and finally imaged in front of the retina through the combined refraction of the inner surface of the spectacle lens with the out-of-focus function, which is an out-of-focus area, through the arrangement, the parallel curves respectively realize the change of the refraction position and the focus position of the light rays according to the established zigzag requirements of the convex base material and the concave base material, so that the light rays in the first refraction area are just focused on the retina, the light rays in the second refraction area are focused in front of the retina, and the correction of hypermetropia defocusing and ametropia is effectively realized.

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 present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a side view of an ophthalmic lens with an out-of-focus function provided in an embodiment of the present application;

fig. 2 is a side view of a split structure of an eyeglass lens with an out-of-focus function provided in example two of the present application;

FIG. 3 is a schematic imaging diagram of a concave substrate of an ophthalmic lens with an out-of-focus function provided in an embodiment of the present application;

FIG. 4 is a schematic imaging diagram of a convex substrate of an ophthalmic lens with an out-of-focus function provided in an embodiment of the present application;

fig. 5 is a schematic diagram of dividing regions according to an embodiment of the present disclosure.

Reference numerals:

1. a refractive compensation layer; 2. a functional layer; 21. a first refractive zone; 211. a concave substrate; 22. a second refractive region; 221. a convex substrate; 3. a refractive correction layer; 4. a first functional region; 41. an inner functional zone; 42. an outer functional region; 5. a second functional region; 51. a remote functional area; 52. a near function region; 53. middle distance functional zone.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to solve the above technical problem, the present application provides an ophthalmic lens having a defocus function, comprising: a first refractive region having a plurality of concave substrates that image light rays on a retina; and, a second refractive region having a plurality of convex shaped substrates that image light in front of the retina; the concave base materials form a continuous annular structure, the convex base materials form a continuous annular structure, and the concave base materials and the convex base materials are arranged in a staggered mode in the radial direction to form a continuous wave-shaped structure.

Among them, it is understood by those skilled in the art that the spectacle lens with defocus function is formed by glass, and the convex substrate and the concave substrate are integrally formed, and the difference is that the refractive power of the convex substrate and the concave substrate is different to ensure the differentiated customization in each region.

For a more particular understanding of the technical idea of the present application, exemplary embodiments are described below with reference to the accompanying drawings:

as shown in fig. 1 to 5, the present application provides an eyeglass lens with a defocus function, comprising: a first dioptric region 21 having a plurality of concave substrates 211, the plurality of concave substrates 211 imaging light on the retina; and a second dioptric region 22 having a plurality of convex substrates 221, the plurality of convex substrates 221 imaging light in front of the retina; the concave substrates 211 form a continuous annular structure, the convex substrates 221 form a continuous annular structure, and the concave substrates 211 and the convex substrates 221 are arranged in a staggered manner in the radial direction to form a continuous wave-shaped structure.

With continued reference to fig. 3 and 4, the concave substrate 211 converges parallel light rays a entering the location, and the combination of diverging inner surface of the spectacle lens with defocus eventually converges light rays at a ', i.e. images on the retina, and the convex substrate 221 converges parallel light rays B and C entering the location, and the combination of refracting inner surface of the spectacle lens with defocus eventually converges light rays at B ' and C ', i.e. images in front of the retina.

The lens that has out of focus function that this application embodiment provided, along radial direction, convex substrate 221 and concave substrate 211 set up in a staggered way and form continuous wave type structure, then be the continuous protruding ring of round or sunken ring along the circumferencial direction for concave substrate 211 and convex substrate 221's arrangement has obtained effective control, and light can refract according to established tortuous requirement. In addition, because the refractive powers of the convex base materials 221 and the concave base materials 211 are different, so that the focused light rays are deflected and refracted differently, the parallel light rays are scattered by all the concave base materials 211, and are subjected to combined refraction by the inner surfaces of the spectacle lenses with the defocusing function to finally form images on the retina, which is a correction area, the parallel light rays are refracted by all the convex base materials 221, and are subjected to combined refraction by the inner surfaces of the spectacle lenses with the defocusing function to finally form images in front of the retina, which is a defocusing area, through the arrangement, the parallel curves respectively realize the change of the light refraction position and the focal position according to the given bending requirements of the convex base materials 221 and the concave base materials 211, so that the light rays in the first refraction area 21 are just focused on the retina, the light rays in the second refraction area 22 are focused in front of the retina, the defocusing and ametropia correction are effectively realized, and the thickness of the spectacle lenses with the defocusing function is reduced, the continuous structure enables the imaging stability to be higher and the imaging to be clear.

Referring to fig. 1, 3 and 4, in some embodiments, the first dioptric area 21 and the second dioptric area 22 are distributed over all positions of the spectacle lens having a defocus function, referring to fig. 2, and in other embodiments, the first dioptric area 21 and the second dioptric area 22 form a ring structure.

In one embodiment of the present application, each of the concave substrates 211 has a refractive power of-0.5D to-1.00D.

In one embodiment of the present application, each of the convex base materials 221 has a refractive power of-0.5D to-2.00D.

With continued reference to fig. 2, the spectacle lens with defocus function includes: the refraction compensation layer 1, the refraction compensation layer 1 is plane or convex; a refractive correction layer 3, the refractive correction layer 3 being a concave surface; and a functional layer 2 both sides of which are recessed inwards, said functional layer 2 being located between said refractive compensation layer 1 and said refractive correction layer 3, said functional layer 2 having said first refractive zone 21 and said second refractive zone 22.

During the equipment, refraction correction layer 3 is for pressing close to the eye, and refraction compensation layer 1 keeps away from the face, and functional layer 2 is located between refraction correction layer 3 and refraction compensation layer 1, by being close to the eye when wearing to the direction of keeping away from the eye, is third face, fourth face, functional layer 2, second face and first face in proper order to this order assembles.

Wherein, refraction compensation layer 1 is functional layer 2 and realizes the compensation of producing the error, adopts different refracting indexes, makes the surface of the lens that has out of focus function form smooth surface, refraction compensation layer 1 surface can increase the adding of functional film layer and hold, and functional film layer can be including soaking formula adds membrane hard coat, rotatory spraying adds the hard coat layer, subtracts anti AR rete, prevents blue light rete, antifatigue rete or vacuum coating layer etc..

In addition, the refractive correction layer 3 is the main correction part of the ametropia of the human eye, and the refractive power of the refractive correction layer 3 should correspondingly reduce the refractive power generated by the concave substrate 211 of the functional layer 2.

In some embodiments, the functional layer 2, the refractive compensation layer 1 and the refractive correction layer 3 are made of at least two materials having different refractive indices. In order to ensure that the functional layers have different functions, it is preferable that the functional layer 2, the refraction compensation layer 1, and the refraction correction layer 3 are made of three materials having different refractive indexes.

Specifically, the functional layer 2 is made of a high-refractive-index refraction material, the refraction compensation layer 1 is made of a low-refractive-index refraction material, and the low-refractive-index material is thinned to form the thickness of the spectacle lens with the out-of-focus function. For the refractive compensation layer 1 and the refractive correction layer 3, the refractive compensation layer 1 and the refractive correction layer 3 are made of PMMA, PET or PC. For the functional layer 2, the functional layer 2 is made of a resin material.

When processed, the functional layer 2, the refraction compensation layer 1 and the refraction correction layer 3 with different refractive indexes are combined together through a hot melting bonding process and the like, and any defects such as air bubbles, delamination and the like cannot exist in the middle.

As shown in fig. 5, for the functional division of the eyeglass lens having the defocus function, the second dioptric region 22 is divided into: the first functional area 4 is used for adjusting the inner and outer ametropia of the eyeball, the first functional area 4 comprises an inner functional area 41 and an outer functional area 42, and the inner functional area 41 and the outer functional area 42 are two oppositely arranged fan-shaped areas with the central angle of 60-90 degrees; and a second functional area 5 for adjusting the distance of the object to be viewed, wherein the second functional area 5 includes a distance functional area 51, a distance functional area 52 and a middle distance functional area 53, the distance functional area 52 surrounds the middle distance functional area 53, and the distance functional area 52, the distance functional area 51 and the middle distance functional area 53 form two fan-shaped areas with a central angle of 90-120 degrees, which are oppositely arranged.

As shown in fig. 3, the far functional area 51 is located on the upper side, the middle functional area 53 and the near functional area 52 are located on the lower side, the inner functional area 41 is close to the nasal side, the outer functional area 42 is close to the temporal side, and the diopters of the micro lenses in different functional areas are different.

Further, the sum of the functional regions is as follows: the refractive power of the distal functional zone 51 and the intermediate functional zone 53 is +2.00D- +3.00D, the refractive power of the proximal functional zone 52 is +2.50D- +3.50D, the refractive power of the inner functional zone 41 is +2.50D- +3.50D, and the refractive power of the outer functional zone 42 is +1.50D- + 2.50D.

With continued reference to fig. 5, all the functional zones form a sector, wherein the inner functional zone 41, the outer functional zone 42, the near functional zone 52, the far functional zone 51 and the middle functional zone 53 are all sector rings, and the near functional zone 52 and the middle functional zone 53 are concentrically arranged.

In an embodiment of the present application, an angle between one of the edges of the inner functional region 41 or the outer functional region 42 and a horizontal direction is 10 to 45 °, and an angle between the other of the edges of the inner functional region 41 or the outer functional region 42 and the horizontal direction is 10 to 30 °. That is, an angle between one side of the near functional region 52, the far functional region 51 or the middle distance functional region 53 and a horizontal line is 45 to 90 °, and an angle between the other side of the near functional region 52, the far functional region 51 or the middle distance functional region 53 and the horizontal line is 10 to 30 °.

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

In addition, it is also understood by those skilled in the art that the aforesaid spectacle lens with out-of-focus function is grinded by a numerical control lathe, or molded by casting or injection molding, and the optical surface shape is disposed on the back surface, front surface or front and back surfaces of the spectacle lens with out-of-focus function, or such optical surface shape is disposed on the spectacle lens with out-of-focus function for preventing blue light, the spectacle lens with out-of-focus function for sun, the spectacle lens with out-of-focus function for polarized light, the spectacle lens with out-of-focus function for anti-fog, the spectacle lens surface with out-of-focus function for spectacle lens is mounted on a single layer spectacle frame, or on a main spectacle frame or an additional spectacle frame of a double layer spectacle frame, or on a modular spectacle frame of a spectacle frame with freely switching lenses, nose pads and temples, or the spectacle lens with out-of-focus function for spectacle lens with out-of spectacle lens is also referred to flexible transparent fresnel pressure-pressing-on the spectacle lens with out-of focus function for spectacle lens with out-of frame, the Fresnel lens with the defocusing function is formed by adopting compression molding or selecting Fresnel to press and paste the cut spectacle lens with the defocusing function on the spectacle lens with the defocusing function.

It is noted that in the description and claims of the present application and in the above-mentioned drawings, 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 between such entities or actions. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Also, the terms "comprises," "comprising," and "having," as well as any variations thereof or any other 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 steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Spatially relative terms, such as "above … …," "above … …," "above … …," "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 of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications and changes to these embodiments will be readily apparent to those skilled in the art, and 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, and improvement made within the spirit and principle of the present application shall 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 having a defocus function, comprising:

a first refractive region (21) having a plurality of concave substrates (211), the plurality of concave substrates (211) imaging light rays on the retina; and the number of the first and second groups,

a second refractive region (22) having a plurality of convex shaped substrates (221), a plurality of said convex shaped substrates (221) imaging light in front of the retina;

the concave base materials (211) form a continuous annular structure, the convex base materials (221) form a continuous annular structure, and the concave base materials (211) and the convex base materials (221) are arranged in a staggered mode in the radial direction to form a continuous wave-shaped structure.

2. The ophthalmic lens with defocus function as claimed in claim 1, wherein each concave base material (211) has a refractive power of-0.5D to-1.00D.

3. The ophthalmic lens with defocus function of claim 1, wherein each of the convex base materials (221) has a refractive power of-0.5D to-2.00D.

4. The ophthalmic lens with defocus function as claimed in claim 1, wherein the ophthalmic lens with defocus function comprises:

a refraction compensation layer (1), wherein the refraction compensation layer (1) is a plane or a convex surface;

a refractive correction layer (3), the refractive correction layer (3) being concave; and the number of the first and second groups,

a functional layer (2), both sides of the functional layer (2) being recessed inwards, the functional layer (2) being located between the refractive compensation layer (1) and the refractive correction layer (3), the functional layer (2) having the first refractive region (21) and the second refractive region (22).

5. The ophthalmic lens with defocus function of claim 4, characterized in that the functional layer (2), the refractive compensation layer (1) and the refractive correction layer (3) are made of at least two materials with different refractive indices.

6. The ophthalmic lens with defocus function of claim 4 or 5, characterized in that the functional layer (2) is made of a refractive material with a high refractive index, and the refractive compensation layer (1) and the refractive correction layer (3) are made of a refractive material with a low refractive index.

7. The ophthalmic lens with defocus function of claim 6, wherein the refractive compensation layer (1) and the refractive correction layer (3) are made of PMMA, PET or PC.

8. The spectacle lens with out-of-focus function as claimed in claim 6, characterized in that the functional layer (2) is made of a resin material.

9. The ophthalmic lens with defocus function of claim 1, wherein the second dioptric area (22) is divided into:

the first functional area (4) is used for adjusting the inner and outer ametropia of the eyeball, the first functional area (4) comprises an inner functional area (41) and an outer functional area (42), and the inner functional area (41) and the outer functional area (42) are two oppositely arranged fan-shaped areas; and the number of the first and second groups,

the second functional area (5) is used for adjusting the distance of the visual object, the second functional area (5) comprises a distance functional area (51), a near functional area (52) and a middle distance functional area (53), the near functional area (52) surrounds the middle distance functional area (53), and the near functional area (52), the distance functional area (51) and the middle distance functional area (53) form two oppositely arranged fan-shaped areas.

10. The ophthalmic lens with defocus function of claim 9, wherein the refractive power of the far functional zone (51) and the intermediate functional zone +2.00D- +3.00D, the refractive power of the near functional zone (52) +2.50D- +3.50D, the refractive power of the inner functional zone (41) +2.50D- +3.50D, the refractive power of the outer functional zone (42) +1.50D- + 2.50D.