CN110618541A - Double-sided composite progressive resin lens and manufacturing process thereof - Google Patents
Double-sided composite progressive resin lens and manufacturing process thereof Download PDFInfo
- Publication number
- CN110618541A CN110618541A CN201910856181.0A CN201910856181A CN110618541A CN 110618541 A CN110618541 A CN 110618541A CN 201910856181 A CN201910856181 A CN 201910856181A CN 110618541 A CN110618541 A CN 110618541A
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- area
- progressive
- resin lens
- double
- peripheral
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Classifications
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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
- G02C7/063—Shape of the progressive surface
- G02C7/066—Shape, location or size of the viewing zones
-
- 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
- G02C7/068—Special properties achieved by the combination of the front and back surfaces
Abstract
The invention provides a double-sided composite progressive resin lens and a manufacturing process thereof, wherein the double-sided composite progressive resin lens comprises a far vision area, a near vision area is arranged in front of the far vision area, a progressive channel is arranged between the far vision area and the near vision area, the far vision area, the near vision area and the progressive channel form the rear surface of the resin lens, the front surface of the resin lens comprises a luminosity area and a peripheral out-of-focus area, the peripheral out-of-focus area is positioned at the periphery of the luminosity area, and a peripheral astigmatism area is arranged on the rear surface of the resin lens. The function of the peripheral deformation light scattering area is changed through the special design of the front surface and the double-sided technology, the middle visible area is effectively enlarged, the area of the peripheral useless light scattering area is effectively reduced, and the effective area of a progressive channel is increased. The deformation of the peripheral astigmatic region is effectively reduced, the visual fatigue can be effectively relieved, and the adaptability is improved.
Description
Technical Field
The invention relates to the field of lens manufacturing, in particular to a double-sided composite progressive resin lens and a manufacturing process thereof.
Background
The lens of the eyeball is gradually hardened and thickened with age, and the accommodation capacity of eye muscles is reduced along with the deterioration of the accommodation capacity, so that the zoom capacity is reduced, when a person looks at a close object, as the object which cannot be completely focused to see the close distance when an image is projected on the retina becomes blurred, even if the degree of presbyopia of the presbyopia is increased with age, the degree is generally increased at the speed of deepening 50 degrees every 5 years, and the presbyopia is a normal physiological phenomenon of a human body; some people can even develop presbyopia and myopia, which seriously causes life obstacle.
The deformation astigmatism is a key problem which is difficult to overcome by the progressive addition ophthalmic lens, although a proper gradation area can provide clear vision for a wearer, imaging deformation is generated to a certain degree at two sides of a gradation groove, the deformation degree and the deformation direction of the deformation depend on different lens designs and the depth of additional power, and the image quality deformation is more obvious when an eye is farther away from the center area of the gradation groove. Since the near zone is designed spherically, the wider the near zone, the greater the astigmatism induced by its periphery. Conversely, the narrower the near zone, the less problems it will induce anamorphic astigmatism. Therefore, how to effectively reduce the area of the peripheral useless astigmatism area and increase the effective area of the progressive channel is very important.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a double-sided composite progressive resin lens and a manufacturing process thereof, wherein the function of a peripheral deformed astigmatism area is changed through the special design of the front surface and the double-sided technology, the middle visible area is effectively enlarged, the area of a peripheral useless astigmatism area is effectively reduced, and the effective area of a progressive channel is increased.
The invention provides a double-sided composite progressive resin lens which comprises a far vision area, wherein a near vision area is arranged in front of the far vision area, a progressive channel is arranged between the far vision area and the near vision area, the far vision area, the near vision area and the progressive channel form the rear surface of the resin lens, the front surface of the resin lens comprises a luminosity area and a peripheral out-of-focus area, the peripheral out-of-focus area is positioned at the periphery of the luminosity area, and a peripheral astigmatism area is arranged on the rear surface of the resin lens.
The further improvement is that the luminosity of the front surface of the resin lens is-1.0D ~ +1.0D, the annular focus design is below the front surface assembly meridian, and the peripheral luminosity of the resin lens is-0.5D lower than the central luminosity.
The further improvement lies in that: the front surface of the resin lens is designed to be a spherical surface, and the rear surface of the resin lens is designed to be a free-form surface and a non-spherical surface.
The further improvement lies in that: the rear surface of the resin lens had an aberration-free area of the far vision region of 84%.
The further improvement lies in that: the aberration-free area of the progressive channel is 39%; the length of the progressive channel is one of 12mm, 14mm or 16mm and the width of the progressive channel is 18 mm.
The further improvement lies in that: the myopia area is designed asymmetrically, is 2.5mm inward from the nose bridge, and has an aberration-free area of 63%.
The further improvement is that the far vision diopter range is-10.00D ~ +8.00D, and the lower addition diopter range is 1.00D ~ 4.00.00D.
The invention also provides a method for manufacturing the double-sided composite progressive resin lens, which comprises the steps of manufacturing the resin lens in two steps, wherein the front surface, namely a convex surface, of the lens is manufactured into a half-surface far vision diopter area and a half-surface defocusing area; the back, or concave, surface of the lens is manufactured as a distance vision zone, a progressive corridor, a near vision zone composition and a peripheral astigmatism zone of a standard free-form surface design, the progressive corridor being 20% wider than a standard progressive lens.
The invention has the beneficial effects that: the function of the peripheral deformation light scattering area is changed through the special design of the front surface and the double-sided technology, the middle visible area is effectively enlarged, the area of the peripheral useless light scattering area is effectively reduced, and the effective area of a progressive channel is increased. The deformation of the peripheral astigmatic region is effectively reduced, the visual fatigue can be effectively relieved, and the adaptability is improved.
Drawings
FIG. 1 is a double-sided progressive histogram of the present invention.
Fig. 2 is a schematic diagram of a front surface semi-through-focus structure of the present invention.
Wherein: 1-distance vision zone, 2-near vision zone, 3-progressive channel, 4-luminosity zone, 5-peripheral out-of-focus zone, and 6-peripheral astigmatism zone.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
As shown in fig. 1-2, the present embodiment provides a double-sided composite progressive resin lens, which includes a distance vision area 1, a near vision area 2 is disposed in front of the distance vision area 1, a progressive channel 3 is disposed between the distance vision area 1 and the near vision area 2, the distance vision area 1, the near vision area 2 and the progressive channel 3 constitute a rear surface of the resin lens, a front surface of the resin lens includes a power area 4 and a peripheral focus area 5, the peripheral focus area 5 is located at the periphery of the power area 4, and a peripheral astigmatism area 6 is disposed on the rear surface of the resin lens.
Selecting a semi-finished product resin blank with the refractive index of 1.60, designing the luminosity of the front surface to be-1.00D and the peripheral luminosity 10 to be-0.50D through an optical system, designing the luminosity of a far vision zone to be +2.00D and a progressive intermediate channel through a free curved surface of the rear surface, wherein the addition light ADD under the near vision zone is +2.00D, the inner deviation of the near vision zone is 2.5mm, and the other parts are peripheral astigmatism zones.
The embodiment also provides a manufacturing method of the double-sided composite progressive resin lens, which comprises the steps of manufacturing the resin lens in two steps, wherein the front surface, namely a convex surface, of the lens is manufactured into a half-surface far-vision diopter area and a half-surface defocusing area; the back, or concave, surface of the lens is manufactured as a distance vision zone, a progressive corridor, a near vision zone composition and a peripheral astigmatism zone of a standard free-form surface design, the progressive corridor being 20% wider than a standard progressive lens.
Example two:
the embodiment provides a double-sided composite progressive resin lens, which comprises a far vision area 1, wherein a near vision area 2 is arranged in front of the far vision area 1, a progressive channel 3 is arranged between the far vision area 1 and the near vision area 2, the far vision area 1, the near vision area 2 and the progressive channel 3 form the rear surface of the resin lens, the front surface of the resin lens comprises a luminous intensity area 4 and a peripheral focusing area 5, the peripheral focusing area 5 is located at the periphery of the luminous intensity area 4, and a peripheral astigmatism area 6 is arranged on the rear surface of the resin lens.
Selecting a semi-finished product resin blank with the refractive index of 1.60, designing the luminosity of the front surface to be-1.50D and the peripheral luminosity to be-0.50D through an optical system, designing the luminosity of a far vision zone to be-1.00D and a progressive intermediate channel through a free curved surface of the rear surface, wherein the addition light ADD under the near vision zone is +1.50D, the inner deviation of the near vision zone is 2.5mm, and the other parts are peripheral astigmatism zones.
The embodiment also provides a manufacturing method of the double-sided composite progressive resin lens, which comprises the steps of manufacturing the resin lens in two steps, wherein the front surface, namely a convex surface, of the lens is manufactured into a half-surface far-vision diopter area and a half-surface defocusing area; the back, or concave, surface of the lens is manufactured as a distance vision zone, a progressive corridor, a near vision zone composition and a peripheral astigmatism zone of a standard free-form surface design, the progressive corridor being 20% wider than a standard progressive lens.
Example three:
the embodiment provides a double-sided composite progressive resin lens, which comprises a far vision area 1, wherein a near vision area 2 is arranged in front of the far vision area 1, a progressive channel 3 is arranged between the far vision area 1 and the near vision area 2, the far vision area 1, the near vision area 2 and the progressive channel 3 form the rear surface of the resin lens, the front surface of the resin lens comprises a luminous intensity area 4 and a peripheral focusing area 5, the peripheral focusing area 5 is located at the periphery of the luminous intensity area 4, and a peripheral astigmatism area 6 is arranged on the rear surface of the resin lens.
Selecting a semi-finished product resin blank with the refractive index of 1.67, designing the luminosity of the front surface to be-1.50D and the peripheral luminosity to be-0.50D through an optical system, designing the luminosity of a far vision zone to be-5.00D and a progressive intermediate channel through a free curved surface of the rear surface, wherein the addition light ADD under the near vision zone is +2.50D, the inner deviation of the near vision zone is 2.5mm, and the other parts are peripheral astigmatism zones. The deformation of the peripheral astigmatism area of the progressive design is effectively reduced, the visual fatigue can be effectively relieved, and the adaptability is improved.
The embodiment also provides a manufacturing method of the double-sided composite progressive resin lens, which comprises the steps of manufacturing the resin lens in two steps, wherein the front surface, namely a convex surface, of the lens is manufactured into a half-surface far-vision diopter area and a half-surface defocusing area; the back, or concave, surface of the lens is manufactured as a distance vision zone, a progressive corridor, a near vision zone composition and a peripheral astigmatism zone of a standard free-form surface design, the progressive corridor being 20% wider than a standard progressive lens.
Example four:
the embodiment provides a double-sided composite progressive resin lens, which comprises a far vision area 1, wherein a near vision area 2 is arranged in front of the far vision area 1, a progressive channel 3 is arranged between the far vision area 1 and the near vision area 2, the far vision area 1, the near vision area 2 and the progressive channel 3 form the rear surface of the resin lens, the front surface of the resin lens comprises a luminous intensity area 4 and a peripheral focusing area 5, the peripheral focusing area 5 is located at the periphery of the luminous intensity area 4, and a peripheral astigmatism area 6 is arranged on the rear surface of the resin lens.
A semi-finished resin blank having a refractive index of 1.60 is selected, the curvature of the front surface is measured, and the design is simulated by an optical design system in which the illuminance of the upper half of the front surface by a spherical design is-0.50D and the illuminance of the periphery of the lower half of the front surface by a free-form surface is-0.00D. The rear surface free-form surface design far vision zone luminosity-3.00D, the gradual middle channel corridor is 14mm, the asymmetric design is 2.5mm of the inner deviated nose bridge, the adding light ADD under the near vision zone is +2.50D, the inner deviation of the near vision zone is 2.5mm, and the design can effectively reduce 20% of the peripheral astigmatism zone.
The embodiment also provides a manufacturing method of the double-sided composite progressive resin lens, which comprises the steps of manufacturing the resin lens in two steps, wherein the front surface, namely a convex surface, of the lens is manufactured into a half-surface far-vision diopter area and a half-surface defocusing area; the back, or concave, surface of the lens is manufactured as a distance vision zone, a progressive corridor, a near vision zone composition and a peripheral astigmatism zone of a standard free-form surface design, the progressive corridor being 20% wider than a standard progressive lens.
Claims (8)
1. A double-sided composite progressive resin lens, characterized in that: including far-vision region (1), far-vision region (1) the place ahead is provided with near-sighted district (2), be provided with between far-vision region (1) and the near-sighted district (2) progressive channel (3), the rear surface of resin lens is constituteed to far-vision region (1), near-sighted district (2) and progressive channel (3), and the front surface of resin lens includes that luminosity district (4) and periphery are from focal zone (5), it is peripheral from focal zone (5) to be located luminosity district (4), be provided with peripheral astigmatism district (6) on the rear surface of resin lens.
2. The double-sided composite progressive resin lens as claimed in claim 1, wherein the front surface of the resin lens has a power of-1.0D ~ +1.0D, and the front surface is designed to have a ring focus below the fitting meridian and a peripheral power lower than the central power by-0.5D.
3. A double-sided composite progressive resin lens according to claim 1, wherein: the front surface of the resin lens is designed to be a spherical surface, and the rear surface of the resin lens is designed to be a free-form surface and a non-spherical surface.
4. A double-sided composite progressive resin lens according to claim 1, wherein: the rear surface of the resin lens had an aberration-free area of the far vision region of 84%.
5. A double-sided composite progressive resin lens according to claim 1, wherein: the aberration-free area of the progressive channel (3) is 39%; the length of the progressive channel (3) is one of 12mm, 14mm or 16mm, and the width of the progressive channel (3) is 18 mm.
6. A double-sided composite progressive resin lens according to claim 1, wherein: the myopia area (2) adopts an asymmetric design, is 2.5mm inward from the nose bridge, and has an aberration-free area of 63%.
7. The progressive resin double-sided composite lens according to claim 1, wherein the distance vision region (1) power ranges from-10.00D ~ +8.00D, and the addition power range is 1.00D ~ 4.00.00D.
8. A method of manufacturing a double-sided composite progressive resin lens according to claims 1 to 7, wherein: the manufacturing method comprises the steps of manufacturing the resin lens in two steps, wherein the front surface, namely a convex surface, of the lens is manufactured into a half-surface far-viewing optical power area and a half-surface defocusing area; the back, or concave, surface of the lens is manufactured as a distance vision zone, a progressive corridor, a near vision zone composition and a peripheral astigmatism zone of a standard free-form surface design, the progressive corridor being 20% wider than a standard progressive lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856181.0A CN110618541A (en) | 2019-09-11 | 2019-09-11 | Double-sided composite progressive resin lens and manufacturing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856181.0A CN110618541A (en) | 2019-09-11 | 2019-09-11 | Double-sided composite progressive resin lens and manufacturing process thereof |
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| CN110618541A true CN110618541A (en) | 2019-12-27 |
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| CN201910856181.0A Pending CN110618541A (en) | 2019-09-11 | 2019-09-11 | Double-sided composite progressive resin lens and manufacturing process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147798A (en) * | 2020-09-25 | 2020-12-29 | 江苏淘镜有限公司 | Super clear driving progressive lens structure |
| CN112162414A (en) * | 2020-09-25 | 2021-01-01 | 江苏淘镜有限公司 | Manufacturing method of lens special for driving |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030107706A1 (en) * | 2001-12-12 | 2003-06-12 | Jacob Rubinstein | Ophthalmic optical elements and methods for the design thereof |
| CN101909539A (en) * | 2007-10-29 | 2010-12-08 | 梁俊忠 | Methods and devices for refractive treatments of presbyopia |
| CN203849514U (en) * | 2014-05-26 | 2014-09-24 | 段亚东 | Peripheral defocus spectacle lens with wide view field |
| US20150124212A1 (en) * | 2013-11-04 | 2015-05-07 | Martin LOERTSCHER | Contact lens and method for prevention of myopia progression |
| CN107861262A (en) * | 2017-12-10 | 2018-03-30 | 段亚东 | Fan annular concentric circumferential edge defocus ophthalmic len |
| CN207198495U (en) * | 2017-07-31 | 2018-04-06 | 江苏淘镜有限公司 | A kind of antifatigue inner progressive multiple-focus eyeglass |
| CN108714063A (en) * | 2012-10-17 | 2018-10-30 | 华柏恩视觉研究中心 | For ametropic eyeglass, device, method and system |
-
2019
- 2019-09-11 CN CN201910856181.0A patent/CN110618541A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030107706A1 (en) * | 2001-12-12 | 2003-06-12 | Jacob Rubinstein | Ophthalmic optical elements and methods for the design thereof |
| CN101909539A (en) * | 2007-10-29 | 2010-12-08 | 梁俊忠 | Methods and devices for refractive treatments of presbyopia |
| CN108714063A (en) * | 2012-10-17 | 2018-10-30 | 华柏恩视觉研究中心 | For ametropic eyeglass, device, method and system |
| US20150124212A1 (en) * | 2013-11-04 | 2015-05-07 | Martin LOERTSCHER | Contact lens and method for prevention of myopia progression |
| CN203849514U (en) * | 2014-05-26 | 2014-09-24 | 段亚东 | Peripheral defocus spectacle lens with wide view field |
| CN207198495U (en) * | 2017-07-31 | 2018-04-06 | 江苏淘镜有限公司 | A kind of antifatigue inner progressive multiple-focus eyeglass |
| CN107861262A (en) * | 2017-12-10 | 2018-03-30 | 段亚东 | Fan annular concentric circumferential edge defocus ophthalmic len |
Non-Patent Citations (1)
| Title |
|---|
| 李爱民等: "离焦对光学系统成象自由度的影响", 《光学工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147798A (en) * | 2020-09-25 | 2020-12-29 | 江苏淘镜有限公司 | Super clear driving progressive lens structure |
| CN112162414A (en) * | 2020-09-25 | 2021-01-01 | 江苏淘镜有限公司 | Manufacturing method of lens special for driving |
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Application publication date: 20191227 |