CN114755844A - Film patch with wave-shaped structure in pair-ring multi-focus single ring and preparation method thereof - Google Patents
Film patch with wave-shaped structure in pair-ring multi-focus single ring and preparation method thereof Download PDFInfo
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- CN114755844A CN114755844A CN202210307728.3A CN202210307728A CN114755844A CN 114755844 A CN114755844 A CN 114755844A CN 202210307728 A CN202210307728 A CN 202210307728A CN 114755844 A CN114755844 A CN 114755844A
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- Prior art keywords
- film patch
- ring
- patch
- wave
- film
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
- B29D11/00788—Producing optical films
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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
- G02C7/021—Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects
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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
- G02C7/024—Methods of designing ophthalmic lenses
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
Abstract
The invention discloses a film patch with a wave-shaped structure in a multi-ring multi-focus single ring and a preparation method thereof. The invention can make the conventional spectacle lens have a plurality of different focal lengths, and different diopters in different circular rings can enhance the adaptability of human eyes and inhibit the abnormal development of diopters. The visual field of the wearer is clearer, and the economic cost for replacing the spectacle lens of the wearer and the production and manufacturing cost of enterprises are saved.
Description
Technical Field
The invention relates to the technical field of spectacle lenses, in particular to a film patch with a wave-shaped structure in a pair-ring multi-focus single ring and a preparation method thereof.
Background
The eye is excessively long in use time or excessively used in a short distance, so that the ciliary body of the eye is overloaded and is in a tense state for a long time, and the muscle of the eye is in a spastic state over time, so that objects are imaged in front of the retina to form myopia. After myopia, the myopia lens is needed to correct the diopter miscorrection. The eyes can see clearly after wearing the conventional myopia lens, but the nearness of the eyes is deepened after a long time. After the eye diopter is deepened, the deviation between the eye diopter and the worn eyeglass diopter occurs, and the eyeglass lens needs to be replaced to correct the eye diopter. In order to inhibit the irregular development of diopter, functional lenses have appeared, which are prepared on conventional lenses to provide a plurality of focal length region microstructures, provide diopter different from that of the main lens, and are used for inhibiting the irregular development of diopter. Most of the lenses on the market are prepared with microstructures directly on the lens. When the wearer needs to replace the spectacle lens, the original spectacle lens is scrapped, which not only causes resource waste, but also increases the preparation cost and consumption cost. For this reason, microstructured film patches have been developed which can be directly adhered to the wearer's original eyewear to save resources and economic costs.
Disclosure of Invention
The invention aims to: the invention aims to provide a film patch which has multiple focal lengths, can correct the diopter irregularity of a spectacle lens and can inhibit the diopter irregularity of eyes.
The technical scheme is as follows: the invention comprises the following steps:
step 1: according to the actual design parameters, the structural surface and the curved surface mold with the buckle device and the reserved notch are prepared
And 2, step: combining the structural surface with the curved surface mold to obtain a film patch mold with a notch;
and 3, step 3: filling resin into the mould in the step 2 to seal the gap;
and 4, step 4: after the resin in the mold is cured, separating out the curved surface mold to obtain a film patch cured in the structural surface mold;
and 5: spraying glue on the film patch obtained in the step (4) to prepare an adhesive layer, and covering a protective film on the adhesive layer;
step 6: demoulding the film patch to obtain the film patch with a wave structure in the multi-ring multi-focus single ring;
and 7: aligning the central point of the spectacle lens to be corrected with the central point of the wave mask patch, cutting off redundant patches according to the outline of the spectacle lens, tearing off the protective film layer, and pasting the film patch on the spectacle lens.
The first surface of the patch is a structural surface, and the second surface of the patch is an adhesive surface; the first surface comprises a common correction visual area and a wavy structure area, and the common correction visual area surrounds the wavy structure area; the wavy structure area comprises a plurality of concentric rings, and the rings are all of wavy structures.
The diopter of the common correction visual area of the film patch is-1.5D, and the diopter of the wave-shaped structure correction visual area is-3D.
And diopter deviation between adjacent circular rings in the wave-shaped structural area is-1D.
The total thickness of the film patch is 1-3 mm, the shape of the film patch is circular, the radius of the film patch is 25-50 mm, the thickness of the first surface from the second surface is 0.5-1.5 mm, and the curvature radius of the second surface is 1-2 times of that of the attached lens.
In the wave structure, the quantity of concentric ring is 5~30, and the interval width between the adjacent ring equals that the interval width is 1~3mm, and the radius of the minimum ring in the concentric ring is 1~5 mm.
The wave-shaped structural area is provided with 2-5 different peak heights, the peak heights between adjacent circular rings are continuously changed, the minimum peak height in the wave-shaped structural area is 0.05-0.3 mm, and the maximum peak height in the wave-shaped structural area is 0.5-1 mm; the deviation of the peak height between the adjacent circular rings is 0.05-0.2 mm.
The peak height of the wavy structural area is increased from the minimum to the maximum from the innermost ring, then decreased to the minimum and circulated in sequence.
The notch in the step 1 is square, and the side length is 1-2 mm.
The method for preparing the die in the step 1 includes, but is not limited to, a laser rapid prototyping technology, a thermal compression technology, a die-free multi-point forming technology, and a resin die stamping technology.
Has the beneficial effects that: the patch of the invention has a plurality of focus areas, so that the conventional spectacle lens has a plurality of different focal lengths, and the eye lens has a plurality of diopters due to different peak heights in different circular rings, thereby enhancing the adaptability of human eyes and inhibiting the abnormal development of diopters. When the diopter of the wearer is inconsistent with the diopter of the carried spectacle lens, the patch can optimize the aberration of the whole spectacle lens after correcting the diopter of the spectacle lens, so that the visual field of the wearer is clearer, and meanwhile, the economic cost for replacing the spectacle lens of the wearer and the production and manufacturing cost of enterprises are saved.
Drawings
FIG. 1 is a flow chart for preparing a film patch having a wavy structure.
FIG. 2 is a schematic view of a concentric ring structure with equal spacing.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the invention comprises a film patch main body 15, wherein the total thickness of the film patch is 1-3 mm, the shape of the film patch is circular, and the radius is 25-50 mm; the first surface of the patch is a structural surface, the structural surface comprises a common correction visual area 17 and a wave-shaped structural area 16, the diopter range of the common correction visual area 17 is-1.5D, and the diopter range of the wave-shaped structural area 16 is-3D. The common corrective visual zone 17 surrounds the wave-shaped structural zone 16; the wave-shaped structural region 16 is composed of a plurality of concentric rings 21, and each ring adopts a wave-shaped structure; diopter deviation between the wave-shaped structures of the adjacent circular rings is-1D, and the radius of the smallest circle in the concentric circular rings is 1-5 mm; the adjacent circular rings are equal in interval, the interval width is 1 mm-3 mm, and the number of the concentric circular rings is 5-30; the peak heights of different rings are different, 2-5 different peak heights are arranged in the wavy structure area 16, the minimum peak height is 0.05-0.3 mm, the maximum peak height is 0.5-1 mm, and the peak height deviation of adjacent rings is 0.05-0.2 mm; in the concentric rings 21, the peak height of the wavy structure is sequentially circulated from the innermost ring, increasing from the smallest to the largest, and decreasing to the smallest.
The second surface is an adhesive surface, the thickness of the first surface from the second surface is 0.5-1.5 mm, and the curvature radius of the second surface of the film patch is 1-2 times that of the adhered lens;
the preparation method of the film patch comprises the following steps:
step 1: preparing a structural surface mold 11 and a curved surface mold 12 with a buckling device 18 and a reserved notch according to actual design parameters;
and 2, step: combining the structural surface with the curved surface mold to obtain a film patch mold 13 with a gap 14;
and 3, step 3: filling resin into the mould in the step 2 to seal the gap 14;
and 4, step 4: after the resin in the mold is cured, separating out the curved surface mold 12 to obtain a film patch cured in the structural surface mold 11;
and 5: spraying glue on the film patch obtained in the step 4 to prepare an adhesive layer, and covering a protective film on the adhesive layer
Step 6: and demolding the patch to obtain the film patch 15 with the wave structure in the polycyclic multi-focus single ring.
And 7: aligning the central point of the spectacle lens to be corrected with the central point of the wave-shaped film paster 15, cutting off redundant pasters according to the outline of the spectacle lens, tearing off the protective film layer, and adhering the film paster 15 to the spectacle lens.
The method for preparing the mold in the above step includes, but is not limited to, a laser rapid prototyping technique, a thermal compression technique, a non-mold multi-point forming technique, and a resin mold stamping technique.
The patch of the invention has a plurality of focus areas, so that the conventional spectacle lens has a plurality of different focal lengths, and the eye lens has a plurality of diopters due to different peak heights in different circular rings, thereby enhancing the adaptability of human eyes and inhibiting the abnormal development of diopters. When the diopter of the wearer is inconsistent with the diopter of the carried spectacle lens, the patch can optimize the aberration of the whole spectacle lens after correcting the diopter of the spectacle lens, so that the visual field of the wearer is clearer, and meanwhile, the economic cost for replacing the spectacle lens of the wearer and the production and manufacturing cost of enterprises are saved.
Examples
In this embodiment, a resin mold stamping technology is used to prepare a mold, and the method specifically includes the steps of:
step 1: preparing a structural surface die 11 and a curved surface die 12 with a buckle device 18 and a reserved gap by using a resin die stamping technology according to actual design parameters;
step 2: combining the structural surface with the curved surface mold to obtain a film patch mold 13 with a gap 14;
and step 3: filling resin into the mould in the step 2 to seal the gap 14;
and 4, step 4: after the resin in the mold is cured, separating out the curved surface mold 12 to obtain a film patch cured in the structural surface mold 11;
And 5: spraying glue on the film patch obtained in the step (4) to prepare a glue layer, and covering a protective film on the glue layer;
and 6: demolding the patch to obtain a film patch 15 with a wave structure in a multi-ring multi-focus single ring;
and 7: aligning the central point of the spectacle lens to be corrected with the central point of the wave-shaped film paster 15, cutting off redundant pasters according to the outline of the spectacle lens, tearing off the protective film layer, and adhering the film paster 15 to the spectacle lens.
In this embodiment, the total thickness of the thin film patch 15 is 1.5mm, and the radius is 25 mm; as shown in fig. 2, the number of concentric rings 21 is 6, the radius of the smallest ring is 3mm, and the interval between adjacent rings is 3 mm; the diopter deviation of the wavy structure between the adjacent circular rings is 0.5D, and the diopter of the wavy structure area 16 is 3D; the waved structure area 16 has 3 peak heights, and the peak height is increased from the minimum to the maximum from the innermost ring, which is a cycle; in one cycle, the minimum peak height is 0.05mm, and the difference between the peak heights of the wave-shaped structures between the adjacent circular rings is 0.1 mm; the distance between the first surface and the second surface is 1.3 mm; the common correction zone 17 had a diopter of 1.5D; the radius of curvature of the film patch is 1.5 times that of the lens to which it is applied.
Claims (10)
1. A film patch with a wave-shaped structure in a multi-ring multi-focus single ring and a preparation method thereof are characterized in that the preparation method of the film patch comprises the following steps:
step 1: preparing a structural surface and a curved surface mold with a buckle device and a reserved gap according to actual design parameters;
and 2, step: combining the structural surface with the curved surface mold to obtain a film patch mold with a gap;
and step 3: filling resin into the mould in the step 2 to seal the gap;
and 4, step 4: after the resin in the mold is cured, separating out the curved surface mold to obtain a film patch cured in the structural surface mold;
and 5: spraying glue on the film patch obtained in the step (4) to prepare an adhesive layer, and covering a protective film on the adhesive layer;
step 6: demoulding the film patch to obtain the film patch with a wave structure in the multi-ring multi-focus single ring;
and 7: aligning the central point of the spectacle lens to be corrected with the central point of the wave mask patch, cutting off redundant patches according to the outline of the spectacle lens, tearing off the protective film layer, and pasting the film patch on the spectacle lens.
2. A film patch with a wave-shaped structure in a multi-ring multi-focus single ring and a preparation method thereof are characterized by comprising a film patch main body, wherein a first surface of the patch is a structural surface, and a second surface of the patch is an adhesive surface; the first surface comprises a common correction visual area and a wavy structure area, and the common correction visual area surrounds the wavy structure area; the wavy structure area comprises a plurality of concentric rings, and the rings are all of wavy structures.
3. The film patch with the multi-ring multi-focal point and the single ring internally provided with the wavy structure and the preparation method of the film patch as claimed in claim 1, wherein the diopter of a common correction visual area of the film patch is-1.5D, and the diopter of the wavy structure correction visual area is-3D.
4. The film patch with the multi-ring multi-focus inner wave-shaped structure and the preparation method thereof according to claim 1, wherein diopter deviation between adjacent rings in the wave-shaped structure area is-1D.
5. The film patch with the wave-shaped structure in the multi-ring multi-focal single ring and the preparation method thereof as claimed in claim 1, wherein the total thickness of the film patch is 1-3 mm, the shape is circular, the radius is 25-50 mm, the thickness of the first surface from the second surface is 0.5-1.5 mm, and the curvature radius of the second surface is 1-2 times of the curvature radius of the attached lens.
6. The film patch as claimed in claim 1, wherein in the wavy structure, the number of concentric rings is 5-30, the spacing width between adjacent rings is equal, the spacing width is 1-3 mm, and the radius of the smallest ring in the concentric rings is 1-5 mm.
7. The film patch and the preparation method thereof according to claim 1, wherein the wavy structure area has 2-5 different peak heights, the peak heights between adjacent circular rings are continuously changed, the minimum peak height in the wavy structure area is 0.05-0.3 mm, and the maximum peak height in the wavy structure area is 0.5-1 mm; the deviation of the peak height between the adjacent circular rings is 0.05-0.2 mm.
8. The film patch and the preparation method thereof according to claim 1, wherein the peak height of the wave-shaped structure area is increased from the lowest ring to the highest ring and then decreased to the lowest ring, and the cycle is repeated in sequence.
9. The film patch with the multi-ring multi-focus internal wave-shaped structure and the preparation method thereof as claimed in claim 1, wherein the notch of step 1 is square in shape, and the side length is 1-2 mm.
10. The film patch and the manufacturing method thereof according to claim 1, wherein the step 1 of manufacturing the mold includes, but is not limited to, laser rapid prototyping, thermal compression, dieless multi-point forming, and resin mold stamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307728.3A CN114755844A (en) | 2022-03-27 | 2022-03-27 | Film patch with wave-shaped structure in pair-ring multi-focus single ring and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307728.3A CN114755844A (en) | 2022-03-27 | 2022-03-27 | Film patch with wave-shaped structure in pair-ring multi-focus single ring and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114755844A true CN114755844A (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210307728.3A Pending CN114755844A (en) | 2022-03-27 | 2022-03-27 | Film patch with wave-shaped structure in pair-ring multi-focus single ring and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023016515A1 (en) * | 2021-08-11 | 2023-02-16 | 江苏瑞尔光学有限公司 | Multi-ring and multi-focal-length lens having wavy individual rings |
-
2022
- 2022-03-27 CN CN202210307728.3A patent/CN114755844A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023016515A1 (en) * | 2021-08-11 | 2023-02-16 | 江苏瑞尔光学有限公司 | Multi-ring and multi-focal-length lens having wavy individual rings |
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