CN111694165A - Multifunctional improved lens and preparation method thereof - Google Patents
Multifunctional improved lens and preparation method thereof Download PDFInfo
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- CN111694165A CN111694165A CN202010657814.8A CN202010657814A CN111694165A CN 111694165 A CN111694165 A CN 111694165A CN 202010657814 A CN202010657814 A CN 202010657814A CN 111694165 A CN111694165 A CN 111694165A
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0018—Reflow, i.e. characterized by the step of melting microstructures to form curved surfaces, e.g. manufacturing of moulds and surfaces for transfer etching
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
- G02C7/061—Spectacle lenses with progressively varying focal power
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
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Abstract
The application provides a multifunctional improved lens and a preparation method thereof, comprising the following steps: the lens comprises a substrate sheet and a lens layer arranged on the outer surface of the substrate sheet; the base sheet is provided with a prescribed photometric region, a functional region and a peripheral visual field adjusting region in this order from the center toward the outer edge. According to the invention, through the lens layer arranged on the outer surface of the substrate sheet, the receiving light area and the light transmittance of the lens are improved, so that the imaging resolution of the lens is improved, and the visual definition is improved. The prescription photometric zone obtains clear myopia correction effect through the optical center of the lens and the central fovea of the yellow spots; the functional area induces the retina to stretch to the imaging part of the functional area, so that the lengthening of the axis of the eye caused by the outward stretching is delayed; the peripheral vision field adjusting area adjusts the imaging curvature, so that the image is completely presented on the retina, and the definition of the peripheral vision field is improved.
Description
Technical Field
The invention relates to the technical field of optical lenses, in particular to a multifunctional improved lens and a preparation method thereof.
Background
According to the assessment, the global myopia population in 2050 will increase to 50 billion, and one half of the global population will be plagued by myopia problems. The earlier myopia appears, the greater the chance of developing deep myopia and pathologic myopia, and the higher the chance of developing severe complications, so that when children and teenagers develop myopia, the development of myopia should be controlled as much as possible.
With the development of economy, people pursue better life quality, the requirements on the glasses are more and more strict, and the lenses are more expected to have better visual definition and clear peripheral vision while correcting the vision, inhibit the stretching of the eye axis and play a role in preventing the further aggravation of the myopia. The current lens has single function and cannot realize the technical effects.
Disclosure of Invention
The application provides a multifunctional improved lens and a preparation method thereof, which aim to solve the problem of single function of the lens in the prior art.
In order to achieve the above object, in a first aspect, the present application provides a multifunctional improved lens, comprising: the lens comprises a substrate sheet and a lens layer arranged on the outer surface of the substrate sheet;
the base sheet is provided with a prescription photometric region, a functional region and a peripheral visual field adjusting region in sequence from the center to the outer edge.
Optionally, in the multifunctional improved lens, the prescription power zone is a circular area, and a plurality of first hexagonal structures are uniformly filled in the circular area.
Optionally, in the multifunctional improved lens, the diameter of the prescription photometric zone is 6-10 mm.
Optionally, the above multifunctional improved lens, wherein the prescribed power zone is 8mm in diameter.
Optionally, in the multifunctional improved lens, the functional area includes a plurality of first rings sleeved in sequence, and a space is provided between each first ring; or
The functional region is a second circular ring, a plurality of second hexagonal structures are uniformly filled in the second circular ring, and a gap is formed between every two adjacent second hexagonal structures; or
The functional area is composed of rhombuses which are uniformly distributed, gaps are arranged between every two adjacent rows of rhombuses, and points between every two adjacent rhombuses in each row are in butt joint with points;
the rhombus is composed of two symmetrically arranged triangles, and the area of each triangle is 1.5-2.5 mm2。
The outer diameter of a ring of the functional area is 20-40 mm, and the inner edge of the functional area is the outer edge of the prescription luminosity area; and/or
The diopter of the functional area is +3.50 to + 4.00D.
Optionally, in the multifunctional improved lens, the outer diameter of the ring of the functional area is 35 mm.
Optionally, in the multifunctional improved lens, the peripheral visual field includes a plurality of third rings which are sequentially sleeved, and each third ring is tightly connected with each other.
Optionally, in the multifunctional improved lens, the outer diameter of the peripheral visual field adjusting area is 45mm to 60mm, and the inner edge of the peripheral visual field adjusting area is the outer edge of the functional area.
Optionally, in the multifunctional improved lens, the outer diameter of the ring of the peripheral visual field adjusting area is 55 mm.
Optionally, in the above multifunctional improved lens, the diopter of the peripheral vision adjusting region gradually decreases from the inner edge to the outer edge of the third ring, so that the image is formed on the retina.
Optionally, in the multifunctional improved lens, along a direction from an inner edge to an outer edge of the peripheral vision adjusting area, the peripheral vision adjusting area is equally divided into concentric circles which are equally divided by 3 to 6, and the diopter gradually decreases along the concentric circles which are equally divided by 3 to 6.
Optionally, in the multifunctional improved lens, the lens layer is composed of a plurality of regular hexagonal micro lenses which are uniformly distributed, and two adjacent regular hexagonal micro lenses are tightly connected through edges.
A method of making a multifunctional improved lens comprising:
coating photoresist on the substrate layer to form a photoresist film;
soft baking, hot baking, spraying developing solution and spraying deionized water;
cleaning the developing solution and spin-drying deionized water;
heating the photoresist to a molten state;
converting the regular hexagonal array structure into a regular hexagonal array micro lens;
the regular hexagonal array micro lens is transferred to the outer surface of the base layer, ultraviolet projection type exposure is carried out under a mask of the regular hexagonal array, a regular hexagonal array structure on the mask is transmitted to a photoresist film on the surface of the glass substrate through a lens by ultraviolet rays, accurate distribution of photosensitive substances in space is formed, and finally accurate imaging of images is achieved.
The invention has the beneficial effects that:
the invention provides a multifunctional improved lens, which improves the receiving light area and the light transmittance of the lens through a lens layer arranged on the outer surface of a substrate sheet, thereby improving the imaging resolution of the lens and improving the visual definition.
The substrate sheet is sequentially provided with a prescription photometric area, a functional area and a peripheral visual field adjusting area from the center to the outer edge direction, wherein the prescription photometric area obtains a clear myopia correction effect through the optical center of a lens and the central fovea of macula lutea; because the peripheral vision field is fallen behind the retina when the myopic lens only having the prescription photometric zone is imaged, the axis of the eye in the growth and development period is stretched backwards to cause the elongation of the axis of the eye, the myopia is aggravated due to the elongation of the axis of the eye, the diopter is increased, the myopia correction of teenagers is not facilitated, the elongation of the retina to the imaging position of the functional zone is induced through the functional zone, the elongation of the axis of the eye caused by the outward elongation of the retina is delayed, and the increasing speed of the myopia diopter is slowed down; the peripheral vision field adjusting area adjusts the imaging curvature, so that the image is displayed on the retina, and the definition of the peripheral vision field is improved.
Drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is a schematic structural view of one embodiment of the multifunctional improved lens of the present invention;
FIG. 2 is a schematic view of the structure of the base layer of the multifunctional improved lens of the present invention;
FIG. 3 is a schematic view of another substrate layer of the multifunctional improved lens of the present invention;
FIG. 4 is a schematic view of a lens layer of the multifunctional improved lens of the present invention;
FIG. 5 is a ray diagram of the multifunctional improved lens of the present invention;
FIG. 6 is a schematic structural view of another embodiment of the multifunctional improved lens of the present invention;
FIG. 7 is a schematic structural view of another embodiment of the multifunctional improved lens of the present invention;
FIG. 8 is a diagram of the focal point of the functional area imaging of the multifunctional improvement lens of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams illustrating only the basic structure of the invention in a schematic manner, and thus show only the constitution related to the invention.
In the description of the invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1, the present invention provides a multifunctional improved lens, comprising: a substrate sheet 100, and a lens layer 200 disposed on an outer surface of the substrate sheet 100; as shown in fig. 2, the base sheet 100 is provided with a prescribed photometric region 110, a functional region 120, and a peripheral visual field adjusting region 130 in this order from the center toward the outer edge. The invention provides a multifunctional improved lens, which improves the receiving light area and the light transmittance of the lens through a lens layer arranged on the outer surface of a substrate sheet, thereby improving the imaging resolution of the lens and improving the visual definition. The substrate sheet 100 of the invention is sequentially provided with a prescription photometric zone 110, a functional zone 120 and a peripheral visual field adjusting zone 130 from the center to the outer edge direction, wherein the prescription photometric zone 110 obtains clear myopia correction effect through the optical center of a lens and the central fovea of macula lutea; because the peripheral visual field is behind the retina when the myopic lens only having the prescription photometric zone 110 is imaged, the axis of the eye in the growth and development period is stretched backwards, so that the axis of the eye is elongated, the myopia is aggravated due to the elongation of the axis of the eye, the degree is increased, and the myopic correction of teenagers is not facilitated, and the elongation of the retina to the imaging part of the functional zone 120 is induced through the functional zone 120, so that the elongation of the axis of the eye caused by the outward elongation of the retina is delayed, and the myopic correction is facilitated; the peripheral visual field adjustment region 130 adjusts the imaging curvature to completely present the image on the retina, thereby improving the definition of the peripheral visual field.
In one embodiment of the present application, as shown in fig. 2 and 3, the prescribed photometric zone 110 is a circular area in which a plurality of first hexagonal structures 111 are uniformly filled. Adopt the circular shape mode of cup jointing to set gradually each district, it is more even, the laminating eyeball is spherical design, designs more scientifically.
In one embodiment of the present application, as shown in FIGS. 2 and 3, the prescribed photometric zone 110 has a diameter of 6 to 10 mm; preferably, the prescribed photometric zone 110 is 8mm in diameter.
In one embodiment of the present application, as shown in fig. 2 and 3, the outer diameter of the ring of the functional region 120 is 20 to 40mm, and preferably, the outer diameter of the ring of the functional region 120 is 35 mm; the inner edge of the functional region 120 is the outer edge of the prescribed photometric region; the diopter of the functional area 120 is + 3.50- + 4.00D; preferably, the diopter of the functional area 120 is +3.50, +3.75 and +4.00, and the diameter of the functional area 120 and the diopter are cooperatively arranged, so that the image of the functional area 120 is focused in front of the retina, the image of the prescription photometric area 110 is focused on the macula lutea fovea, the retina is induced to stretch towards the imaging part of the functional area 120, the lengthening of the axis of the eye caused by the outward stretching is delayed, and the increasing speed of the myopia power is reduced.
As shown in fig. 2, in one embodiment of the present application, the functional area 120 includes 3 schemes:
as shown in fig. 2, (1) the functional area 120 includes a plurality of first rings 121 sequentially nested, and each of the first rings 121 has a space 122 therebetween; or
As shown in fig. 3, (2) the functional region 120 is a second circular ring, a plurality of second hexagonal structures 123 are uniformly filled in the second circular ring, and a gap 124 is formed between two adjacent second hexagonal structures 123; as shown in fig. 7, by the imaging of the second hexagon 123 of the functional area 120, since the functional area 120 has each luminosity of +3.5 to +4.00, there are many focuses in the imaging, resulting in a slightly blurred image, so that the human eye mainly depends on the image formed by the clearer prescribed luminosity area 110 to see things clearly. Preferably, each second hexagonal structure 123 has an area of 1.5-2.5 mm2。
(3) The functional area 120 is composed of diamonds uniformly distributed, a gap is formed between two adjacent rows of diamonds, and a point is butted between two adjacent diamonds in each row;
the rhombus is composed of two symmetrically arranged triangles, and the area of each triangle is 1.5-2.5 mm2。
As shown in fig. 2 and 3, in one embodiment of the present application, the peripheral field of view 130 includes a plurality of third rings 131 nested one after another, and each third ring 131 is tightly connected to another.
The outer diameter of the ring of the peripheral visual field adjustment region 130 is 45mm to 60mm, and the inner edge of the peripheral visual field adjustment region 130 is the outer edge of the functional region 120.
In one embodiment of the present application, the outer diameter of the ring of the peripheral field of view adjustment region 130 is 55 mm.
In one embodiment of the present application, the diopter of the peripheral visual field adjustment region 130 gradually decreases from the inner edge toward the outer edge of the annular ring for making the image fall on the retina completely.
The method aims to solve the problem that the peripheral vision field falls behind the retina and causes blurred vision caused by the traditional myopia lens imaging principle. In one embodiment of the present application, the peripheral visual field adjustment area 130 is equally divided into 3 to 6 equally divided concentric circles along the direction from the inner edge to the outer edge of the peripheral visual field adjustment area 130, diopter gradually decreases along the 3 to 6 equally divided concentric circles to achieve imaging curvature, and the imaging curvature is fitted to the retina concavity curve, so that the imaging can completely fall on the retina, thereby preventing the problem of blurred vision caused by the peripheral imaging falling behind the retina. Preferably, the degrees (2.75-3), (3-3.25), (3.25-3.5) and (2.75-3) are added every other ring.
Examples are: the prescription 110 is the optical center of 10mm in diameter, the power is the measured prescription, and when assembled, the pupil height is the location where the light is focused on the center of the macula lutea as shown in figure 8. The periphery is a functional area 120 with the outer diameter of 35mm and a peripheral visual field adjusting area 130 with the outer diameter of 55mm in sequence, the peripheral visual field adjusting area 130 is divided into concentric circles which are equally divided by 3-6, and the myopia reducing luminosity obtained according to the first table is equally divided; after the light passes through the peripheral field adjustment region 130, the focusing is different due to the different luminosity of the concentric circles, and the position is changed as shown in fig. 5.
Watch 1
The degrees of myopia are different, the convexity of the axis of the eye is also different, and the concavity of the corresponding retina is also the same; therefore, the corresponding peripheral visual field adjusting area 130 luminosity scheme is selected according to the table I so as to achieve that the convexity of the whole image fits the concavity of the retina as much as possible; thereby, sharp peripheral imaging can be achieved.
If the surface of the substrate layer is molded by pouring the monomer, the front surface of the substrate layer is a curved surface, when light irradiates on the front surface of the lens, a part of light information is leaked due to the large gap of the lens unit on the surface of the lens, the transmission performance is reduced, the light receiving area and the comprehensive light transmittance of the lens are reduced, the visual objects of eyes are slightly darkened, and the imaging is not clear enough. In order to solve the above problem, in an embodiment of the present application, as shown in fig. 4, the lens layer 200 is composed of a plurality of regular hexagonal microlenses 210 uniformly distributed, and two adjacent regular hexagonal microlenses 210 are tightly connected edge to edge. Preferably, the entire outer surface of the base layer 100 is entirely covered by the lens layer 200; preferably, the perimeter of each regular hexagonal micro lens 210 is 1.3-1.8 mm. The regular hexagon generates the smallest gap when being spliced on a curved surface, and the cone cells at the center of the macular fovea of the retina are in the shape of the regular hexagon, so that the imaging effect of the array arrangement micro hexagonal lens is the best; adopting a resin hot melting process on the outer surface of the lens to manufacture a plurality of tightly arranged regular hexagonal micro lenses; when light irradiates the hexagonal microlenses 210 closely arranged on the outer surface of the substrate layer 100, the transmission performance is greatly improved due to the small lens unit gaps and the large light receiving area, and as much light as possible penetrates through the substrate layer 100 and enters eyes, so that the light receiving area and the light transmittance of the lens are improved, the imaging resolution of the lens is further improved, and the visual definition is improved.
As shown in fig. 6, in one embodiment of the present application, a composite film layer 300 and a waterproof layer 400 are sequentially disposed on an outer surface of a lens layer 200; the composite film layer 300 serves to enhance the hardness and high temperature resistance of the substrate sheet 100; the waterproof layer 400 serves to enhance the waterproof property of the substrate sheet 100. The hardness and the high temperature resistance of the substrate sheet 100 are respectively enhanced by the composite film layer 300; the waterproof layer 400 enhances the waterproof property of the substrate sheet 100, and solves the problems that the lens in the prior art is not waterproof, is fragile and is easily scratched.
In one embodiment of the present application, the refractive index of the substrate sheet 100 is 1.56 or 1.60 or 1.67 or 1.74.
In one embodiment of the present application, the base sheet 100 is a stiffened acrylic substrate or a stiffened MR-8 substrate or a stiffened MR-7 substrate or a blue light-blocking resin substrate.
As shown in fig. 7, in an embodiment of the present application, the method further includes: and an ultraviolet ray preventing layer 500 disposed between the composite film layer 300 and the waterproof layer 400.
The preparation method of the multifunctional improved lens comprises the following steps:
s100, performing optometry on a wearer, namely measuring the distance between eyes and lenses worn by the wearer, the inclination angle of the lenses after wearing, the radian of a spectacle frame of the wearer, the length of each side of the spectacle frame of the wearer, the curvature radius of the lenses of the wearer, the central thickness of the lenses of the wearer, the interpupillary distance of the wearer and the refractive index of the lenses of the wearer;
s200, calculating the size of the spectacle frame at the arrangement position according to the data measured in the step S100, and calculating a refraction degree value through a light ray chasing method;
s300, fixing the lens to a photoetching processing position in a lens photoetching machine;
s400, scanning the curvature of the convex surface of the lens, and inputting the curvature of the convex surface of the lens into a control system of a lens photoetching machine;
s500, inputting the distance between the eyes and the lenses worn by the wearer, the inclination angle of the lenses after wearing, the radian of a spectacle frame of the wearer, the length of each side of the spectacle frame, the central thickness of the lenses of the wearer and the curvature of the convex surfaces of the lenses into a lens photoetching control system, and calculating the data of the regular hexagonal micro lenses of the lenses by the control system according to the data;
s600, spraying deionized water for 30-60 seconds, cleaning stains on the surface of the lens, and removing static residues;
s700, rotating a lens fixing structure of a lens photoetching machine at a high speed, and spin-drying deionized water;
s800, controlling a metal sectional type radio frequency laser by a lens photoetching machine, emitting pulse or super-impact laser with the wavelength of 10-11 mu m, and engraving a regular hexagon micro lens according to a preset program, wherein the specific method comprises the following steps:
s810, coating photoresist with the thickness of 3 mu m on the substrate layer 100 by using a rotary gluing method to form a photoresist film; preferably, the photoresist is a mixture of resin, photosensitizer, solvent and additive;
s820, soft-baking for 30-60 seconds at the temperature of 85-120 ℃ to optimize the light absorption characteristic and the developing capability of the adhesive and relieve stress generated during gluing;
s830, performing hot plate baking for 30 seconds at the temperature of 140 ℃ to promote critical legal reaction;
s840, spraying a developing solution (2.38% of tetramethylammonium hydroxide) at the rotating speed of 1000-1500 rpm;
s850, spraying deionized water for 30-60 seconds, cleaning stains on the surface of the lens, and cleaning a developing solution at the rotating speed of 1000-1500 rpm; removing static residues;
s860, rotating the lens fixing structure of the lens photoetching machine at a high speed, and spin-drying deionized water; s900, converting the regular hexagonal array structure into a regular hexagonal array micro lens by surface tension;
s1000, emitting a large-area and uniform-collimation ion beam with strong energy monochromaticity and certain density to the surface of a material, and transferring the regular hexagonal array micro lens on the original glass substrate to the outer surface of the resin lens through cascade collision between impact surface atoms and material atoms;
s2000, carrying out ultraviolet projection type exposure under a mask of a regular hexagonal array, and transmitting the regular hexagonal array structure on the mask to a photoresist film on the surface of the glass substrate through a lens by ultraviolet rays to form accurate distribution of photosensitive substances in space, thereby finally achieving the purpose of accurate pattern transfer.
In light of the foregoing description of preferred embodiments according to the invention, many modifications and variations can be made by the worker skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A multifunction improved lens, comprising: the lens comprises a substrate sheet and a lens layer arranged on the outer surface of the substrate sheet;
the base sheet is provided with a prescription photometric region, a functional region and a peripheral visual field adjusting region in sequence from the center to the outer edge.
2. The multifunctional improved lens of claim 1 wherein said prescribed photometric zone is a circular area within which a plurality of first hexagonal structures are uniformly filled.
3. The multifunctional improved lens of claim 2 wherein said prescription power zone is 6-10 mm in diameter.
4. The multifunctional improvement lens according to claim 1, wherein said functional area comprises a plurality of first rings nested one after another with a space between each of said first rings; or
The functional region is a second circular ring, a plurality of second hexagonal structures are uniformly filled in the second circular ring, and a gap is formed between every two adjacent second hexagonal structures; or
The functional area is composed of rhombuses which are uniformly distributed, gaps are arranged between every two adjacent rows of rhombuses, and points between every two adjacent rhombuses in each row are in butt joint with points;
the rhombus is composed of two symmetrically arranged triangles, and the area of each triangle is 1.5-2.5 mm2。
5. The multifunctional improved lens according to claim 1, wherein the outer diameter of the functional zone is 20 to 40mm, and the inner edge of the functional zone is the outer edge of the prescription power zone; and/or
The diopter of the functional area is +3.50 to + 4.00D.
6. The multifunctional improved lens according to claim 1, wherein said peripheral visual field comprises a plurality of third rings nested one after another, each of said third rings being tightly connected to one another.
7. The multifunctional improved lens according to claim 1, wherein the peripheral visual field adjustment zone has an outer diameter of 45mm to 60mm, and the inner edge of the peripheral visual field adjustment zone is the outer edge of the functional zone.
8. The multifunctional improved lens according to claim 1, wherein the diopter of the peripheral vision adjusting region gradually decreases from the inner edge toward the outer edge of the third ring for allowing the image to fall on the retina.
9. The multifunctional improved lens according to claim 8, wherein the peripheral vision adjustment area is equally divided into concentric circles of 3 to 6 equal divisions along the direction from the inner edge to the outer edge of the peripheral vision adjustment area, and the diopter is gradually decreased along the concentric circles of 3 to 6 equal divisions; and/or
The lens layer is composed of a plurality of regular hexagonal micro lenses which are uniformly distributed, and two adjacent regular hexagonal micro lenses are tightly connected through edges.
10. A method for preparing a multifunctional improved lens, comprising:
coating photoresist on the substrate layer to form a photoresist film;
soft baking, hot baking, spraying developing solution and spraying deionized water;
cleaning the developing solution and spin-drying deionized water;
heating the photoresist to a molten state;
converting the regular hexagonal array structure into a regular hexagonal array micro lens;
the regular hexagonal array micro lens is transferred to the outer surface of the base layer, ultraviolet projection type exposure is carried out under a mask of the regular hexagonal array, a regular hexagonal array structure on the mask is transmitted to a photoresist film on the surface of the glass substrate through a lens by ultraviolet rays, accurate distribution of photosensitive substances in space is formed, and finally accurate imaging of images is achieved.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023065556A1 (en) * | 2021-10-22 | 2023-04-27 | 温州医科大学 | Spectacle lens and frame glasses |
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| CN111095082A (en) * | 2018-03-01 | 2020-05-01 | 依视路国际公司 | Lens element |
| CN110174778A (en) * | 2019-05-28 | 2019-08-27 | 甄毅 | The eyeglass, contact lens and eyeglass pad pasting of myopia development can be effectively relieved |
| CN110187417A (en) * | 2019-06-27 | 2019-08-30 | 电子科技大学 | The production method of PDMS film microlens array |
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| WO2023065556A1 (en) * | 2021-10-22 | 2023-04-27 | 温州医科大学 | Spectacle lens and frame glasses |
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Application publication date: 20200922 |