WO2022201749A1 - 眼鏡レンズ、および眼鏡レンズの設計方法 - Google Patents
眼鏡レンズ、および眼鏡レンズの設計方法 Download PDFInfo
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- WO2022201749A1 WO2022201749A1 PCT/JP2022/000620 JP2022000620W WO2022201749A1 WO 2022201749 A1 WO2022201749 A1 WO 2022201749A1 JP 2022000620 W JP2022000620 W JP 2022000620W WO 2022201749 A1 WO2022201749 A1 WO 2022201749A1
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- Prior art keywords
- defocus
- area
- spectacle lens
- areas
- center
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 14
- 210000001525 retina Anatomy 0.000 claims abstract description 47
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 18
- 230000004515 progressive myopia Effects 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 23
- 230000004907 flux Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 35
- 210000001747 pupil Anatomy 0.000 description 26
- 230000001179 pupillary effect Effects 0.000 description 26
- 230000004379 myopia Effects 0.000 description 10
- 208000001491 myopia Diseases 0.000 description 10
- 230000004308 accommodation Effects 0.000 description 8
- 210000001508 eye Anatomy 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 5
- 230000002350 accommodative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000004256 retinal image Effects 0.000 description 3
- 230000003945 visual behavior Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 208000014733 refractive error Diseases 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G02C7/022—Ophthalmic lenses having special refractive features achieved by special materials or material structures
-
- 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
-
- 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
- G02C7/027—Methods of designing ophthalmic lenses considering wearer's parameters
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/24—Myopia progression prevention
Definitions
- the present invention relates to spectacle lenses and spectacle lens design methods.
- a spectacle lens that suppresses the progress of refractive error such as myopia there is a lens in which an island-shaped region having a refractive power more positive than a plurality of prescribed refractive powers is formed (see, for example, Patent Document 1).
- the spectacle lens of the aspect described in Patent Document 1 is also called DIMS (Defocus Incorporated Multiple Segments) spectacle lens, abbreviated as DIMS.
- DIMS Defocus Incorporated Multiple Segments
- the light flux incident from the object-side surface and emitted from the eyeball-side surface is in principle focused on the retina of the wearer, but is defocused.
- the luminous flux passing through the region is focused at a position in front of the retina, thereby suppressing the progression of myopia.
- An object of one embodiment of the present invention is to provide a spectacle lens capable of increasing the effect of suppressing myopia progression.
- a first aspect of the present invention is a base region for causing a light beam incident from the object-side surface to exit from the eyeball-side surface and converge on the retina via the eyeball; a plurality of defocus areas, which are defocus areas in contact with the base area, and have a property that a light beam passing through at least a part of the defocus area is incident on the retina as divergent light; A first defocus region in which the plurality of defocus regions are arranged such that a circular region having a diameter of 4 mm and containing only one defocus region exists in the circle when the surface on the object side is viewed in plan.
- a spectacle lens having a region arrangement part.
- a second aspect of the present invention is The spectacle lens according to the first aspect, wherein the first defocus area arrangement portion is provided in a peripheral portion of the spectacle lens.
- a third aspect of the present invention is In the first defocus area arrangement portion, when the area on the object side is planarly viewed and the area formed at the center position of a circle with a diameter of 4 mm that includes only one defocus area is defined as an area Z1,
- a fourth aspect of the present invention is In the first defocus area arrangement portion, the distance a between the centers of the adjacent defocus areas and the diameter d of the defocus area satisfy (d + 4 mm) / 2 ⁇ a ⁇ d + 4 mm. 4.
- a fifth aspect of the present invention is The spectacle lens according to any one of the first to fourth aspects, wherein the diameter d of the defocus area in the first defocus area placement portion is 1.5 mm or more and 3 mm or less.
- a sixth aspect of the present invention is The spectacle lens according to any one of the first to fifth aspects, wherein a center-to-center distance a between the adjacent defocus regions in the first defocus region placement portion is more than 3 mm and less than 7 mm.
- a seventh aspect of the present invention is The spectacle lens according to any one of the first to sixth aspects, wherein the spectacle lens is a lens for suppressing myopia progression.
- An eighth aspect of the present invention is a base region for causing a light beam incident from the object-side surface to exit from the eyeball-side surface and converge on the retina via the eyeball;
- a method for designing a spectacle lens comprising a plurality of defocus areas contacting the base area and having a property that a light beam passing through at least a part of the defocus area is incident on the retina as divergent light. and
- a method for designing a spectacle lens comprising:
- a spectacle lens capable of increasing the effect of suppressing myopia progression.
- FIG. 1 is a diagram showing how light rays entering the eye from the peripheral visual field are condensed behind the peripheral portion of the retina when the DIMS described in FIG. 1 of Patent Document 1 is worn.
- FIG. 2 is a diagram showing how light rays entering the eye from the peripheral visual field are condensed behind the peripheral portion of the retina when the spectacle lens according to the embodiment of the present invention is worn.
- FIG. 3 is a plan view of the object-side surface of the spectacle lens 100 according to the first embodiment of the present invention. 4(a) and 4(b) are enlarged plan views of the first defocus area arrangement portion 30 of the spectacle lens 100 according to the first embodiment of the present invention.
- FIG. 5 is a plan view of the object-side surface of a spectacle lens 100 according to another embodiment of the present invention.
- FIG. 6A is a plan view of the object-side surface of the spectacle lens 100 according to Example 1.
- FIG. FIG. 6B is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 1.
- FIG. FIG. 7A is a plan view of the object-side surface of the spectacle lens 100 according to Example 2.
- FIG. 7B is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 2.
- FIG. FIG. 8A is a plan view of the object-side surface of the spectacle lens 100 according to Example 3.
- FIG. FIG. 8B is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 3.
- FIG. FIG. 9A is a plan view of the object-side surface of the spectacle lens 100 according to Example 4.
- FIG. 9B is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 4.
- the contrast of the retinal image is determined by the PSF (Point Spread Function) of the optical system.
- PSF Point Spread Function
- the size of the spread of the PSF, that is, the size of the spot (light spot) is a major factor in determining the retinal image contrast.
- FIG. 1 is a diagram showing how light rays entering the eye from the peripheral visual field are condensed behind the peripheral portion of the retina when the DIMS described in FIG. 1 of Patent Document 1 is worn.
- the DIMS described in Patent Document 1 includes a base region 10 and a plurality of defocus regions 20, and is designed so that the plurality of defocus regions 20 fall within the pupil range. .
- the luminous flux transmitted through each defocus area 20 is defocused so as to converge in front of the retina.
- a plurality of light beams transmitted through a plurality of defocus areas 20 gather at a predetermined position by the power of the base area 10 and the eye to form an overall spot (Ds).
- the power of the base region 10 is set so as to form an image on the retina via the base region 10 and the eye at the central portion of the retina. In many cases, the position of convergence through the retina is posterior to the retina.
- the inventors have diligently studied the above problems. As a result, it was found that by designing the spectacle lens so that only one defocus area is included within the pupillary range, the effect of suppressing the progression of myopia can be increased.
- FIG. 2 is a diagram showing how light rays entering the eye from the peripheral visual field are condensed behind the peripheral portion of the retina when the spectacle lens according to one embodiment of the present invention is worn.
- a plurality of defocus regions 20 having a size larger than that in FIG. They are sparsely placed.
- the accommodation is increased (corresponding to the retina moving from Rp2 to Rp1), the spot due to the defocus region 20 within the pupillary range becomes larger. Since this is a situation in which the image becomes blurred when the eyeball is stretched, the effect of suppressing the progress of myopia can be obtained.
- the spot due to the defocus region 20 within the pupillary range will be smaller. Since this is also a situation in which elongation of the eyeball is suppressed, the effect of suppressing progression of myopia can be obtained.
- the image position Rp2 is often behind the retina in the unaccommodated state. Even in this case, the change in contrast due to accommodative micromovement theoretically suppresses elongation so that the retina is located in front of Rp2.
- the spot Since there is no problem that the position where Ds) is minimized is behind the retina, the effect of suppressing the progress of myopia is not impaired, and the effect of suppressing the progress of myopia is increased compared to the DIMS described in Patent Document 1. be able to.
- Patent Document 1 contents not described in this specification are all described in Patent Document 1. It is assumed that the contents not described in Patent Document 1 (especially the contents related to the manufacturing method) are all described in WO2020/004551. If there is a discrepancy between the description of Patent Document 1 and the description of the publication, the description of the publication takes precedence.
- the spectacle lenses mentioned in this specification have an object-side surface and an eyeball-side surface.
- the "object-side surface” is the surface that is located on the object side when the spectacles with the spectacle lenses are worn by the wearer, and the "eye-side surface” is the opposite, i.e. the surface with the spectacle lenses. It is the surface positioned on the eyeball side when the spectacles are worn by the wearer.
- This relationship also applies to the lens substrate that forms the basis of the spectacle lens. That is, the lens substrate also has an object-side surface and an eyeball-side surface.
- FIG. 3 is a plan view of the object-side surface of the spectacle lens 100 of this embodiment.
- a spectacle lens 100 of this embodiment includes a base region 10 and a plurality of defocus regions 20 .
- the base region 10 is configured such that a light flux incident from the object-side surface is emitted from the eyeball-side surface and converges on the retina via the eyeball.
- the defocus area 20 is in contact with the base area 10, and is configured such that a light beam passing through at least a part of the defocus area 20 is incident on the retina as divergent light.
- the base region 10 is a portion having a shape capable of realizing the wearer's prescribed refractive power, and is a portion corresponding to the first refractive region of Patent Document 1.
- the defocus area 20 is an area in which at least part of the area does not condense light to the condensing position of the base area 10 .
- the defocus region 20 is a portion corresponding to the minute projections of Patent Document 1.
- the spectacle lens 100 of the present embodiment is a myopia progression suppressing lens, like the spectacle lens described in Patent Document 1.
- the plurality of defocus areas 20 of the present embodiment may be formed on at least one of the object-side surface and the eyeball-side surface of the spectacle lens 100 . In this embodiment, a case where a plurality of defocus areas 20 are provided only on the object-side surface of the spectacle lens 100 is illustrated.
- the surface shape of the defocus area 20 is not particularly limited.
- the defocus area 20 may have a spherical shape, an aspherical shape, a toric surface shape, or a mixed shape thereof. In this embodiment, the case where the defocus area 20 has a spherical shape is exemplified.
- the number of multiple defocus areas 20 included in the spectacle lens 100 is not particularly limited, but is, for example, 20 or more and 500 or less.
- the plurality of defocus areas 20 are arranged, for example, in an island shape (that is, separated from each other without adjoining each other).
- An arrangement mode of the plurality of defocus areas 20 is not particularly limited. In the present embodiment, as shown in FIG. 3, the case where each defocus area 20 is independently and discretely arranged so that the center of each defocus area 20 becomes the vertex of an equilateral triangle (hereinafter also referred to as an equilateral triangle arrangement) is exemplified. do.
- the defocus area 20 may be formed in the central portion of the spectacle lens 100, or as described in FIG. The defocus area 20 may not be formed.
- the central portion of the spectacle lens 100 means the lens center (geometric center, optical center, or centering center) of the spectacle lens 100 and its vicinity.
- the case where the line of sight of the wearer of the spectacle lens 100 when looking straight ahead passes through the center of the lens is exemplified.
- the spectacle lens 100 has a first defocus area arrangement portion 30.
- the first defocus area arrangement unit 30 is arranged, for example, from a circumference centered on the lens center of the spectacle lens 100, from a circumference contacting the defocus area 20 closest to the lens center to a circumference contacting the defocus area 20 furthest from the lens center. It is good also as a part to.
- the first defocus area arrangement unit 30 has a plurality of circular areas with a diameter of 4 mm each including only one defocus area 20 when the object-side surface of the spectacle lens 100 is viewed in plan. of defocus areas 20 are arranged.
- the circular region with a diameter of 4 mm represents the pupillary range of the wearer.
- the first defocus area placement section 30 is designed with the intention of including only one defocus area 20 within the pupil range.
- a spot (Ds) formed by the entire luminous flux that has passed through the plurality of defocus areas 20 is not formed behind the retina, and the effect of suppressing the progress of myopia can be obtained, so the effect of suppressing the progress of myopia can be increased.
- the defocus area 20 In the first defocus area arrangement unit 30, it is necessary to arrange the defocus area 20 so that only one defocus area 20 is necessarily included in all circles with a diameter of 4 mm when the object side surface is viewed from above. no. From the viewpoint of efficiently increasing the effect of suppressing the progression of myopia, the area generated from the center position of a circle with a diameter of 4 mm in which only one defocus area 20 is included in the circle is the first defocus area placement section 30. Of this, it preferably accounts for 25% or more (more preferably 50% or more, still more preferably 70% or more).
- the first defocus area arrangement portion 30 is provided in the peripheral portion of the spectacle lens 100 .
- the peripheral portion of the spectacle lens 100 means that light passing through the center of the retina passes through the lens when the wearer of the spectacle lens 100 rotates the eyeball in the range of daily visual behavior. It means the area outside the area. That is, in the range of daily visual behavior, light passing through the peripheral portion of the spectacle lens 100 always reaches the peripheral portion of the retina.
- the peripheral portion of the spectacle lens 100 may be, for example, a circumference having a diameter of 10 mm (or 20 mm) from the center of the lens when the object-side surface of the spectacle lens 100 is viewed in plan, and an area outside the circle. .
- the effect of myopia progression suppression can be increased by providing the first defocus region arrangement portion 30 in the peripheral portion of the spectacle lens 100.
- the peripheral portion of the spectacle lens 100 is a peripheral visual field region within the range of daily visual behavior, by providing the first defocus region arrangement unit 30 in the peripheral portion of the spectacle lens 100, the defocus region The arrangement of the eyeglass lens 20 can reduce the influence on how the spectacle lens 100 looks.
- FIGS. 4A and 4B are enlarged plan views of the first defocus area arrangement portion 30 of the spectacle lens 100 of this embodiment.
- the plurality of defocus areas 20 are arranged in an equilateral triangular arrangement, and areas other than the three adjacent defocus areas 20 are omitted.
- the number of defocus areas 20 included in a circle with a diameter of 4 mm when the object side surface is viewed in plan is the center position of the circle with a diameter of 4 mm (that is, the center of the pupil). ).
- the number of defocus areas 20 included in the 4 mm diameter circle is calculated. That is, the number of defocus areas 20 included in the pupillary range is calculated when the center of the pupil moves in the equilateral triangular range.
- the diameter of the defocus area 20 is d
- the center-to-center distance between adjacent defocus areas 20 is a
- the area Z3 where the three fan-shaped areas overlap is an area formed at the pupil center position including the three defocus areas 20 within the pupil range.
- a region Z2 where two fan-shaped regions overlap is a region formed at the pupil center position including two defocus regions 20 within the pupil range.
- a region Z1 in which the fan-shaped regions do not overlap is a region formed at the pupil center position including only one defocus region 20 within the pupil range.
- the area Z3 does not exist and is included in any fan-shaped area.
- the area Z0 is an area formed at the pupil center position where no defocus area 20 is included in the pupil range.
- the defocus region 20 ⁇ is within the pupil range. all included. In this way, a region Z1A is formed at the pupil center position where one of the defocus regions 20 is entirely included in the pupil range in the region Z1.
- the proportion of the area Z1 in the first defocus area placement section 30 is large. Moreover, it is preferable that the ratio of the area Z2, the area Z3, and the area Z0 is small. Moreover, it is preferable that the proportion of the area Z1A in the area Z1 is large.
- the area of the area Z1 (that is, the area formed at the center position of a circle with a diameter of 4 mm that includes only one defocus area 20 when the surface on the object side is viewed in plan) is , preferably 25% or more (more preferably 50% or more) of the area of the first defocus area arrangement portion 30 .
- the effect of suppressing progression of myopia can be increased.
- the areas of the first defocus area arrangement portion 30 and the area Z1 within a polygonal range formed by the centers of a plurality of adjacent defocus areas 20 (in this embodiment, three adjacent defocus areas 20 ) may be applied to the entire first defocus area placement section 30 . The same applies when calculating the areas of the area Z2, the area Z3, the area Z0, and the area Z1A.
- the area of the area Z2 (that is, the area formed at the center position of a circle with a diameter of 4 mm including two defocus areas 20 when the object-side surface is viewed in plan) is It is preferably 50% or less of the area of the first defocus area arrangement portion 30 . As a result, the effect of suppressing progression of myopia can be increased.
- the area of the area Z3 (that is, the area formed at the center position of a circle with a diameter of 4 mm including three or more defocus areas 20 when the object side surface is viewed in plan) is , is preferably 20% or less of the area of the first defocus area arrangement portion 30 .
- the effect of suppressing progression of myopia can be increased.
- the area of the area Z0 (that is, the area formed at the center position of a circle with a diameter of 4 mm that does not include any defocus area 20 when the surface on the object side is viewed in plan) is preferably 10% or less (more preferably 5% or less, still more preferably 0%) of the area of the first defocus area arrangement portion 30 .
- the effect of suppressing progression of myopia can be increased.
- the area of the area Z1A (that is, the area formed at the center position of a circle with a diameter of 4 mm that includes one of the defocus areas 20 when the surface on the object side is viewed in plan) is preferably 3% or more (more preferably 5% or more, still more preferably 10% or more) of the area of the region Z1. As a result, the effect of suppressing progression of myopia can be increased.
- the distance a between the centers of the adjacent defocus areas 20 and the diameter d of the defocus areas are (d+4 mm)/2 ⁇ a ⁇ d+4 mm (that is, (D+d)/2 ⁇ It is preferable to satisfy a ⁇ D+d).
- the ratio of the area Z1 can be sufficiently increased, and the ratio of the areas Z2, Z3, and Z0 can be sufficiently decreased. Therefore, the effect of suppressing myopia progression can be increased.
- the diameter d of the defocus area 20 is preferably 1.5 mm or more and 3 mm or less. If the diameter d is less than 1.5 mm, the ratio of the area of the defocus region 20 within the pupillary range becomes too small, which may reduce the effect of suppressing myopia progression. On the other hand, by setting the diameter d to 1.5 mm or more, the ratio of the area of the defocus region 20 within the pupil range is appropriately increased, so that the effect of suppressing the progress of myopia can be increased. On the other hand, if the diameter d exceeds 3 mm, the ratio of the area of the defocus region 20 within the pupil range becomes too large, which may affect how the spectacle lens 100 looks. On the other hand, by setting the diameter d to 3 mm or less, the ratio of the area of the defocus region 20 within the pupillary range is appropriately reduced, so that the effect on the appearance of the spectacle lens 100 can be reduced.
- the center-to-center distance a between adjacent defocus areas 20 is preferably more than 3 mm and less than 7 mm.
- the center-to-center distance a is 3 mm or less, the proportion of the area Z2 and the area Z3 in the first defocus area arrangement portion 30 increases, so there is a possibility that the effect of suppressing myopia progression will decrease.
- the proportion of the area Z2 and the area Z3 in the first defocus area arrangement portion 30 is reduced, so the effect of suppressing myopia progression can be increased.
- the center-to-center distance a is 7 mm or more, the proportion of the area Z0 in the first defocus area arrangement portion 30 increases, so there is a possibility that the effect of suppressing the progression of myopia will decrease.
- the ratio of the area Z0 in the first defocus area arrangement portion 30 is reduced, so that the effect of suppressing progression of myopia can be increased.
- the present invention is also applicable to a method for designing spectacle lenses 100 .
- the method of designing the spectacle lens 100 of the present embodiment includes a base region 10 in which a light beam incident from the object-side surface is emitted from the eyeball-side surface and converges on the retina via the eyeball, and a defocus lens contacting the base region 10.
- a method of designing a spectacle lens 100 comprising a plurality of defocus areas 20 having a property that a light flux passing through at least a part of the defocus area 20 is incident on the retina as divergent light
- a defocus area designing process is provided for arranging a plurality of defocus areas 20 such that a circular area with a diameter of 4 mm containing only one defocus area 20 exists in the circle when viewed from above on the surface on the object side.
- the defocus area design process is a process of designing the first defocus area placement section 30 described above. The details of the defocus area designing process are omitted because they overlap with the above-mentioned (1) spectacle lens.
- FIG. 5 is a plan view of the object-side surface of the spectacle lens 100 according to the second embodiment of the present invention.
- the spectacle lens 100 of this embodiment has a first defocus area placement section 30 and a second defocus area placement section 40 .
- the second defocus area arrangement portion 40 is provided in a portion closer to the lens center than the first defocus area arrangement portion 30, and when the object side surface of the spectacle lens 100 is viewed in plan, the second defocus area arrangement portion 40 is within a circle with a diameter of 4 mm. It is an area in which a plurality of defocus areas 20 are arranged such that a plurality of defocus areas 20 (for example, 4 or more and 7 or less) are included.
- the defocused area 20 is defined as a defocused area 20A, and the defocused area 20 arranged so as to include a plurality of defocused areas 20 (for example, 4 or more and 7 or less) within a circle having a diameter of 4 mm is defined as a defocused area 20B.
- the first defocus area arrangement unit 30, for example, is centered on the lens center of the spectacle lens 100, and from the circumference contacting the defocus area 20A closest to the lens center, the defocus area farthest from the lens center It is good also as a part to the circumference which touches 20A.
- the second defocus area arrangement unit 40 is, for example, centered on the lens center of the spectacle lens 100, and contacts the defocus area 20B farthest from the lens center from the circumference that touches the defocus area 20B closest to the lens center. It may be a portion up to the circumference.
- the diameter d B of the defocus area 20 ⁇ /b>B in the second defocus area placement section 40 is smaller than the diameter d of the defocus area 20 ⁇ /b>A in the first defocus area placement section 30 .
- the center-to-center distance aB between the adjacent defocus areas 20B in the second defocus area placement section 40 is smaller than the center-to - center distance a between the adjacent defocus areas 20A in the first defocus area placement section 30.
- the diameter d B of the defocus area 20B is, for example, 0.6 mm or more and 1.5 mm or less
- the center-to-center distance a B of the adjacent defocus areas 20B is, for example, 1.0 mm or more and 2.0 mm or less.
- the spectacle lens 100 of the present embodiment is provided with the second defocus area arrangement portion 40 at a position near the center of the lens.
- the second defocus area placement section 40 a plurality of defocus areas 20B having a smaller size than in the first defocus area placement section 30 are densely arranged. Therefore, the second defocus area placement section 40 may have less influence on how the spectacle lens 100 looks than the first defocus area placement section 30 does. Therefore, the spectacle lens 100 of the present embodiment may have less influence on how the spectacle lens 100 looks than the spectacle lens 100 of the first embodiment described above.
- the spectacle lens 100 of the present embodiment is provided with the first defocus area arrangement portion 30 in the peripheral portion of the spectacle lens 100, similarly to the spectacle lens 100 of the first embodiment described above. can increase the effect of
- the diameter d and the center-to-center distance a of the plurality of defocus areas 20 in the first defocus area placement unit 30 are constant was described, but in the first defocus area placement unit 30 , the diameter d and the center-to-center distance a of the plurality of defocus areas 20 may be changed. Specifically, for example, the diameter d and the center-to-center distance a of the defocus region 20 may be increased from the lens center of the spectacle lens 100 toward the periphery.
- FIG. 6A is a plan view of the object-side surface of the spectacle lens 100 according to Example 1.
- the circumference with a radius of 4.6 mm from the center of the lens and its outer side were defined as the first defocus area arrangement portion 30 .
- the plurality of defocus areas 20 are arranged in an equilateral triangle, and the shape of each defocus area 20 is spherical.
- the diameter d of the defocus area 20 was set to 2.8 mm
- the center-to-center distance a of the adjacent defocus areas 20 was set to 6 mm.
- FIG. 6(b) is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 1.
- FIG. 6B the line indicating the boundary between the base area 10 and the defocus area 20 is omitted.
- the center of the circle with a diameter of 4 mm is included in the circle with a diameter of 4 mm when moving through the equilateral triangle range consisting of the centers of the three adjacent defocus areas 20.
- the number of defocus areas 20 was calculated. That is, the number of defocus regions 20 included in the pupil range was calculated when the center of the pupil moved in the equilateral triangle range shown in FIG. 6(b).
- FIG. 6(b) the line indicating the boundary between the base area 10 and the defocus area 20 is omitted.
- the center of the circle with a diameter of 4 mm is included in the circle with a diameter of 4 mm when moving through the equilateral triangle range consisting of the centers of the three adjacent defocus areas 20.
- the number of defocus areas 20 was
- T indicates the center of the defocus area 20
- a circle C1 centered at T indicates an area (area Z1A) in which one of the defocus areas 20 is entirely included within the pupillary range.
- a circle C2 centered on T indicates a region (hereinafter referred to as region Z1B) in which 50% or more of one of the defocus regions 20 is included within the pupil range.
- a circle C3 centered at T indicates an area (hereinafter referred to as area Z1C) in which 25% or more of one of the defocus areas 20 is included within the pupil range.
- a circle C4 centered on T indicates a region (region Z1) in which one of the defocus regions 20 is included within the pupillary range. Then, the areas and ratios of the area Z1, the area Z2, the area Z3, the area Z0, the area Z1A, the area Z1B, and the area Z1C within the range of the equilateral triangle were calculated. Table 1 shows the results.
- the area ratio of the region Z1 was 83.2344%, which was sufficiently large. Therefore, it was confirmed that the spectacle lens 100 according to Example 1 can efficiently increase the effect of suppressing progression of myopia.
- FIG. 7A is a plan view of the object-side surface of the spectacle lens 100 according to Example 2.
- the circumference with a radius of 4 mm from the center of the lens and the outer side thereof were used as the first defocus area arrangement portion 30 .
- the plurality of defocus areas 20 are arranged in an equilateral triangle, and the shape of each defocus area 20 is spherical.
- the diameter d of the defocus area 20 was set to 2.0 mm
- the center-to-center distance a of the adjacent defocus areas 20 was set to 6 mm.
- FIG. 7(b) is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 2.
- FIG. 7B the line indicating the boundary between the base area 10 and the defocus area 20 is omitted.
- the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 2 when the center of the circle with a diameter of 4 mm moves in an equilateral triangle range consisting of the centers of the three adjacent defocus areas 20, the area with a diameter of 4 mm The number of defocus areas 20 contained within the circle was calculated. That is, the number of defocus areas 20 included in the pupil range was calculated when the center of the pupil moved in the equilateral triangle range shown in FIG. 7(b).
- FIG. 7(b) is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 2.
- the line indicating the boundary between the base area 10 and the defocus area 20 is omitted.
- T indicates the center of the defocus area 20
- a circle C1 centered at T indicates an area (area Z1A) in which one of the defocus areas 20 is entirely included within the pupillary range.
- a circle C2 centered on T indicates an area (area Z1B) in which 50% or more of one of the defocus areas 20 is included within the pupillary range.
- a circle C4 centered on T indicates a region (region Z1) in which one of the defocus regions 20 is included within the pupillary range. Then, the areas and ratios of the area Z1, the area Z2, the area Z3, the area Z0, the area Z1A, and the area Z1B within the range of the equilateral triangle were calculated. Table 2 shows the results.
- the area ratio of the region Z1 was 70.0006%, which was sufficiently large. Therefore, it was confirmed that the spectacle lens 100 according to Example 2 can also efficiently increase the effect of suppressing progression of myopia.
- the spectacle lens 100 according to Example 2 had a larger area ratio of the region Z1A than the spectacle lens 100 according to Example 1. Therefore, it was confirmed that the spectacle lens 100 according to Example 2 may increase the effect of suppressing the progress of myopia compared to the spectacle lens 100 according to Example 1.
- FIG. 8A is a plan view of the object-side surface of the spectacle lens 100 according to Example 3.
- FIG. 3 the circumference with a radius of 13.7 mm from the center of the lens and its outer side were defined as the first defocus area arrangement portion 30 .
- the plurality of defocus areas 20A are arranged in an equilateral triangle arrangement, and the shape of each defocus area 20A is spherical.
- a portion surrounded by a circle with a radius of 4.7 mm and a circle with a radius of 13.7 mm from the center of the lens is defined as a second defocus area placement unit 40, and in the second defocus area placement unit 40, a plurality of defocus areas 20B are arranged in an equilateral triangle, and the shape of each defocus area 20B is spherical.
- the diameter d of the defocus areas 20A was set to 2.8 mm
- the center-to-center distance a of the adjacent defocus areas 20A was set to 5.7 mm.
- the diameter d B of the defocus area 20B was set to 1.0 mm
- the center-to-center distance a B of the adjacent defocus areas 20B was set to 1.5 mm.
- FIG. 8(b) is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 3.
- FIG. 8B the line indicating the boundary between the base area 10 and the defocus area 20 is omitted.
- the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 3 when the center of the circle with a diameter of 4 mm moves in the equilateral triangle range consisting of the centers of the three adjacent defocus areas 20, the 4 mm diameter The number of defocus areas 20 contained within the circle was calculated. In other words, the number of defocus regions 20 included in the pupillary range was calculated when the center of the pupil moved in the equilateral triangular range shown in FIG. 8(b).
- FIG. 8B the line indicating the boundary between the base area 10 and the defocus area 20 is omitted.
- T indicates the center of the defocus area 20
- a circle C1 centered at T indicates an area (area Z1A) in which one of the defocus areas 20 is entirely included within the pupillary range.
- a circle C2 centered on T indicates an area (area Z1B) in which 50% or more of one of the defocus areas 20 is included within the pupillary range.
- a circle C3 centered on T indicates a region (region Z1C) in which 25% or more of one of the defocus regions 20 is included within the pupillary range.
- a circle C4 centered on T indicates a region (region Z1) in which one of the defocus regions 20 is included within the pupillary range.
- the area ratio of the region Z1 was 71.3559%, which was sufficiently large. Therefore, it was confirmed that the spectacle lens 100 according to Example 3 can efficiently increase the effect of suppressing progression of myopia.
- the spectacle lens 100 according to Example 3 has the second defocus area arrangement portion 40 at a position close to the lens center, compared to the spectacle lens 100 according to Examples 1 and 2, the spectacle lens It was confirmed that there is a possibility that the influence on the appearance of 100 can be reduced.
- FIG. 9A is a plan view of the object-side surface of the spectacle lens 100 according to Example 4.
- the circumference with a radius of 4.6 mm from the center of the lens and its outer side were defined as the first defocus area arrangement portion 30 .
- the plurality of defocus areas 20 are arranged in a square (arrangement such that the center of each defocus area 20 is the vertex of the square), and the shape of each defocus area 20 is a spherical shape. did.
- the diameter d of the defocus area 20 was set to 2.8 mm, and the center-to-center distance a of the adjacent defocus areas 20 was set to 6 mm.
- FIG. 9(b) is an enlarged plan view of the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 4.
- FIG. 9B the line indicating the boundary between the base region 10 and the defocus region 20 is omitted.
- the first defocus area arrangement portion 30 of the spectacle lens 100 according to Example 4 when the center of the circle with a diameter of 4 mm moves in the square range formed by the centers of the four adjacent defocus areas 20, the circle with a diameter of 4 mm The number of defocus regions 20 contained within was calculated. That is, the number of defocus regions 20 included in the pupillary range was calculated when the center of the pupil moved in the square range shown in FIG. 9B.
- FIG. 9B the number of defocus regions 20 included in the pupillary range was calculated when the center of the pupil moved in the square range shown in FIG. 9B.
- T indicates the center of the defocus area 20
- a circle C1 centered at T indicates an area (area Z1A) in which one of the defocus areas 20 is entirely included within the pupillary range.
- a circle C2 centered on T indicates an area (area Z1B) in which 50% or more of one of the defocus areas 20 is included within the pupillary range.
- a circle C3 centered on T indicates a region (region Z1C) in which 25% or more of one of the defocus regions 20 is included within the pupillary range.
- a circle C4 centered on T indicates a region (region Z1) in which one of the defocus regions 20 is included within the pupillary range.
- the area ratio of the region Z1 was 77.7181%, which was sufficiently large. Therefore, it was confirmed that the spectacle lens 100 according to Example 4 can efficiently increase the effect of suppressing progression of myopia.
- the ratio of the area of the region Z0 was increased compared to the spectacle lenses 100 according to Examples 1, 2, and 3. Therefore, from the viewpoint of reducing the ratio of the area of the region Z0, it was confirmed that the arrangement mode of the plurality of defocus regions 20 in the first defocus region arrangement section 30 is preferably an equilateral triangle arrangement rather than a square arrangement.
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Abstract
Description
物体側の面から入射した光束を眼球側の面から出射させ、眼球を介して網膜上に収束させるベース領域と、
前記ベース領域と接するデフォーカス領域であって、前記デフォーカス領域の少なくとも一部を通過する光束が発散光として網膜に入射する性質を持つ複数のデフォーカス領域と、を備え、
前記物体側の面を平面視した際、円内に前記デフォーカス領域がひとつしか含まれない直径4mmの円領域が存在するように、前記複数のデフォーカス領域が配置されている第1デフォーカス領域配置部を有する、眼鏡レンズである。
前記第1デフォーカス領域配置部は、前記眼鏡レンズの周辺部に設けられている、上記第1の態様に記載の眼鏡レンズである。
前記第1デフォーカス領域配置部において、前記物体側の面を平面視した際、前記デフォーカス領域をひとつしか含まない直径4mmの円の中心位置で形成される領域を領域Z1とした時、前記領域Z1の面積は、前記第1デフォーカス領域配置部の面積の25%以上である、上記第1または第2の態様に記載の眼鏡レンズである。
前記第1デフォーカス領域配置部において、隣り合う前記デフォーカス領域の中心間距離aと、前記デフォーカス領域の直径dとは、(d+4mm)/2<a<d+4mmを満たす、上記第1から第3のいずれか1つの態様に記載の眼鏡レンズである。
前記第1デフォーカス領域配置部において、前記デフォーカス領域の直径dは、1.5mm以上3mm以下である、上記第1から第4のいずれか1つの態様に記載の眼鏡レンズである。
前記第1デフォーカス領域配置部において、隣り合う前記デフォーカス領域の中心間距離aは、3mm超7mm未満である、上記第1から第5のいずれか1つの態様に記載の眼鏡レンズである。
眼鏡レンズは近視進行抑制レンズである、上記第1から第6のいずれか1つの態様に記載の眼鏡レンズである。
物体側の面から入射した光束を眼球側の面から出射させ、眼球を介して網膜上に収束させるベース領域と、
前記ベース領域と接するデフォーカス領域であって、前記デフォーカス領域の少なくとも一部を通過する光束が発散光として網膜に入射する性質を持つ複数のデフォーカス領域と、を備えた眼鏡レンズの設計方法であって、
前記物体側の面を平面視した際、の円内に前記デフォーカス領域がひとつしか含まれない直径4mmの円領域が存在するように、前記複数のデフォーカス領域を配置するデフォーカス領域設計工程を有する、眼鏡レンズの設計方法である。
まず、発明者が得た知見について説明する。
眼球は絶えず調節微動が働き、網膜にピントが合うように働く。調節を強める(網膜が後方に移動することに相当)と像のコントラストが高く、調節を弱める(網膜が前方に移動することに相当)と像のコントラストが低い場合、像が網膜の後ろにある。この信号が眼球伸長を速くするきっかけになると考えられる。この場合は近視進行が促進される。逆に調節を弱める(網膜が前方に移動することに相当)と像のコントラストが高く、調節を強める(網膜が後方に移動することに相当)と像のコントラストが低い場合、像が網膜の手前にある。この信号が眼球伸長を遅くするきっかけになると考えられる。
つまり、調節微動による網膜像のコントラストの変化が、眼球の成長の速さに影響を及ぼすと考えられる。網膜像のコントラストは、光学系のPSF(Point spread function)によって決められる。PSFの広がる大きさ、つまりスポット(光斑)の大きさは網膜像コントラストを決める大きな要因である。
つまり、瞳孔範囲内に複数のデフォーカス領域20が存在する場合、眼軸の伸長をある程度抑制し、近視進行を抑えることはできるが、網膜周辺部において全体的なスポット(Ds)の径が最小になる位置が網膜より後方になるため、近視進行が逆転するように眼軸の伸長を抑制することはできない。この場合、調節微動によるコントラストの変化は、理論的には網膜をRp2の位置に近づけるように伸長を促すことになる。
図1および図2のように周辺網膜に入射する光線の場合、調節なしの状態では像の位置Rp2は網膜の後方にあることが多い。この場合でも、調節微動によるコントラストの変化は、理論的には網膜をRp2より手前になるように、伸長を抑制することになる。
次に、本発明の一実施形態を、以下に図面を参照しつつ説明する。なお、本発明はこれらの例示に限定されるものではなく、特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。
図3は、本実施形態の眼鏡レンズ100の物体側の面の平面図である。本実施形態の眼鏡レンズ100は、ベース領域10と、複数のデフォーカス領域20とを備えている。ベース領域10は、物体側の面から入射した光束を眼球側の面から出射させ、眼球を介して網膜上に収束させるように構成されている。デフォーカス領域20は、ベース領域10と接しており、デフォーカス領域20の少なくとも一部を通過する光束が発散光として網膜に入射する性質を持つように構成されている。
本発明は、眼鏡レンズ100の設計方法にも適用可能である。本実施形態の眼鏡レンズ100の設計方法は、物体側の面から入射した光束を眼球側の面から出射させ、眼球を介して網膜上に収束させるベース領域10と、ベース領域10と接するデフォーカス領域20であって、デフォーカス領域20の少なくとも一部を通過する光束が発散光として網膜に入射する性質を持つ複数のデフォーカス領域20と、を備えた眼鏡レンズ100の設計方法であって、物体側の面を平面視した際、円内にデフォーカス領域20がひとつしか含まれない直径4mmの円領域が存在するように、複数のデフォーカス領域20を配置するデフォーカス領域設計工程を有する、眼鏡レンズの設計方法である。つまり、デフォーカス領域設計工程とは、上述した第1デフォーカス領域配置部30を設計する工程である。デフォーカス領域設計工程の詳細は、上述の(1)眼鏡レンズと記載内容が重複するため省略する。
続いて、本発明の第2実施形態について、第1実施形態と異なる点を中心に説明する。第1実施形態で説明した要素と実質的に同一の要素には、同一の符号を付してその説明を省略する。
以上、本発明の実施形態について具体的に説明したが、本発明は上述の実施形態に限定されるものではなく、その要旨を逸脱しない範囲で種々変更可能である。
図6(a)は、実施例1に係る眼鏡レンズ100の物体側の面の平面図である。実施例1では、レンズ中心から半径4.6mmの円周およびその外側を、第1デフォーカス領域配置部30とした。第1デフォーカス領域配置部30において、複数のデフォーカス領域20を正三角形配置とし、各デフォーカス領域20の形状は球面形状とした。また、デフォーカス領域20の直径dを2.8mmとし、隣り合うデフォーカス領域20の中心間距離aを6mmとした。
図7(a)は、実施例2に係る眼鏡レンズ100の物体側の面の平面図である。実施例2では、レンズ中心から半径4mmの円周およびその外側を、第1デフォーカス領域配置部30とした。第1デフォーカス領域配置部30において、複数のデフォーカス領域20を正三角形配置とし、各デフォーカス領域20の形状は球面形状とした。また、デフォーカス領域20の直径dを2.0mmとし、隣り合うデフォーカス領域20の中心間距離aを6mmとした。
図8(a)は、実施例3に係る眼鏡レンズ100の物体側の面の平面図である。実施例3では、レンズ中心から半径13.7mmの円周およびその外側を、第1デフォーカス領域配置部30とした。第1デフォーカス領域配置部30において、複数のデフォーカス領域20Aを正三角形配置とし、各デフォーカス領域20Aの形状は球面形状とした。また、レンズ中心から半径4.7mmの円および半径13.7mmの円で囲まれた部分を、第2デフォーカス領域配置部40とし、第2デフォーカス領域配置部40において、複数のデフォーカス領域20Bを正三角形配置とし、各デフォーカス領域20Bの形状は球面形状とした。第1デフォーカス領域配置部30における、デフォーカス領域20Aの直径dを2.8mmとし、隣り合うデフォーカス領域20Aの中心間距離aを5.7mmとした。また、第2デフォーカス領域配置部40における、デフォーカス領域20Bの直径dBを1.0mmとし、隣り合うデフォーカス領域20Bの中心間距離aBを1.5mmとした。
図9(a)は、実施例4に係る眼鏡レンズ100の物体側の面の平面図である。実施例4では、レンズ中心から半径4.6mmの円周およびその外側を、第1デフォーカス領域配置部30とした。第1デフォーカス領域配置部30において、複数のデフォーカス領域20を正方形配置(各デフォーカス領域20の中心が正方形の頂点となるような配置)とし、各デフォーカス領域20の形状は球面形状とした。また、デフォーカス領域20の直径dを2.8mmとし、隣り合うデフォーカス領域20の中心間距離aを6mmとした。
20、20A、20B デフォーカス領域
30 第1デフォーカス領域配置部
40 第2デフォーカス領域配置部
100 眼鏡レンズ
Claims (8)
- 物体側の面から入射した光束を眼球側の面から出射させ、眼球を介して網膜上に収束させるベース領域と、
前記ベース領域と接するデフォーカス領域であって、前記デフォーカス領域の少なくとも一部を通過する光束が発散光として網膜に入射する性質を持つ複数のデフォーカス領域と、を備え、
前記物体側の面を平面視した際、円内に前記デフォーカス領域がひとつしか含まれない直径4mmの円領域が存在するように、前記複数のデフォーカス領域が配置されている第1デフォーカス領域配置部を有する、眼鏡レンズ。 - 前記第1デフォーカス領域配置部は、前記眼鏡レンズの周辺部に設けられている、請求項1に記載の眼鏡レンズ。
- 前記第1デフォーカス領域配置部において、前記物体側の面を平面視した際、前記デフォーカス領域をひとつしか含まない直径4mmの円の中心位置で形成される領域を領域Z1とした時、前記領域Z1の面積は、前記第1デフォーカス領域配置部の面積の25%以上である、請求項1または請求項2に記載の眼鏡レンズ。
- 前記第1デフォーカス領域配置部において、隣り合う前記デフォーカス領域の中心間距離aと、前記デフォーカス領域の直径dとは、(d+4mm)/2<a<d+4mmを満たす、請求項1から請求項3のいずれか1項に記載の眼鏡レンズ。
- 前記第1デフォーカス領域配置部において、前記デフォーカス領域の直径dは、1.5mm以上3mm以下である、請求項1から請求項4のいずれか1項に記載の眼鏡レンズ。
- 前記第1デフォーカス領域配置部において、隣り合う前記デフォーカス領域の中心間距離aは、3mm超7mm未満である、請求項1から請求項5のいずれか1項に記載の眼鏡レンズ。
- 眼鏡レンズは近視進行抑制レンズである、請求項1から請求項6のいずれか1項に記載の眼鏡レンズ。
- 物体側の面から入射した光束を眼球側の面から出射させ、眼球を介して網膜上に収束させるベース領域と、
前記ベース領域と接するデフォーカス領域であって、前記デフォーカス領域の少なくとも一部を通過する光束が発散光として網膜に入射する性質を持つ複数のデフォーカス領域と、を備えた眼鏡レンズの設計方法であって、
前記物体側の面を平面視した際、円内に前記デフォーカス領域がひとつしか含まれない直径4mmの円領域が存在するように、前記複数のデフォーカス領域を配置するデフォーカス領域設計工程を有する、眼鏡レンズの設計方法。
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KR (1) | KR20230159361A (ja) |
CN (1) | CN116783542A (ja) |
WO (1) | WO2022201749A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20170131567A1 (en) | 2015-11-06 | 2017-05-11 | Hoya Lens Thailand Ltd. | Spectacle Lens |
CN110426860A (zh) * | 2019-08-02 | 2019-11-08 | 上海伟星光学有限公司 | 一种新优学多焦点聚氨酯镜片的制造方法 |
WO2020004551A1 (ja) | 2018-06-29 | 2020-01-02 | ホヤ レンズ タイランド リミテッド | 眼鏡レンズ |
WO2020078693A1 (en) * | 2018-10-17 | 2020-04-23 | Essilor International | Optical articles having embossed films defining encapsulated microlenses and methods of making the same |
JP2021005081A (ja) * | 2019-06-25 | 2021-01-14 | ホヤ レンズ タイランド リミテッドHOYA Lens Thailand Ltd | 眼鏡レンズおよびその設計方法 |
Family Cites Families (1)
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EP3693737B1 (en) | 2015-03-27 | 2022-03-30 | Agilent Technologies, Inc. | Method and system for determining integrated metabolic baseline and potential of living cells |
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2021
- 2021-03-22 JP JP2021047163A patent/JP2022146279A/ja active Pending
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2022
- 2022-01-12 WO PCT/JP2022/000620 patent/WO2022201749A1/ja active Application Filing
- 2022-01-12 CN CN202280011189.7A patent/CN116783542A/zh active Pending
- 2022-01-12 US US18/282,973 patent/US20240168313A1/en active Pending
- 2022-01-12 EP EP22774554.4A patent/EP4318100A1/en active Pending
- 2022-01-12 KR KR1020237023656A patent/KR20230159361A/ko unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170131567A1 (en) | 2015-11-06 | 2017-05-11 | Hoya Lens Thailand Ltd. | Spectacle Lens |
WO2020004551A1 (ja) | 2018-06-29 | 2020-01-02 | ホヤ レンズ タイランド リミテッド | 眼鏡レンズ |
WO2020078693A1 (en) * | 2018-10-17 | 2020-04-23 | Essilor International | Optical articles having embossed films defining encapsulated microlenses and methods of making the same |
JP2021005081A (ja) * | 2019-06-25 | 2021-01-14 | ホヤ レンズ タイランド リミテッドHOYA Lens Thailand Ltd | 眼鏡レンズおよびその設計方法 |
CN110426860A (zh) * | 2019-08-02 | 2019-11-08 | 上海伟星光学有限公司 | 一种新优学多焦点聚氨酯镜片的制造方法 |
Also Published As
Publication number | Publication date |
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CN116783542A (zh) | 2023-09-19 |
EP4318100A1 (en) | 2024-02-07 |
US20240168313A1 (en) | 2024-05-23 |
KR20230159361A (ko) | 2023-11-21 |
JP2022146279A (ja) | 2022-10-05 |
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