WO2012102332A1 - Presbyopia correction body and presbyopia correction method - Google Patents

Presbyopia correction body and presbyopia correction method Download PDF

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Publication number
WO2012102332A1
WO2012102332A1 PCT/JP2012/051639 JP2012051639W WO2012102332A1 WO 2012102332 A1 WO2012102332 A1 WO 2012102332A1 JP 2012051639 W JP2012051639 W JP 2012051639W WO 2012102332 A1 WO2012102332 A1 WO 2012102332A1
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WIPO (PCT)
Prior art keywords
presbyopia
transparent
thin plate
presbyopia correction
transparent thin
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PCT/JP2012/051639
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French (fr)
Japanese (ja)
Inventor
彦之 今野
Original Assignee
Konno Hikoyuki
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Publication date
Priority claimed from JP2011016884A external-priority patent/JP2012155295A/en
Priority claimed from JP2011235254A external-priority patent/JP2013011846A/en
Application filed by Konno Hikoyuki filed Critical Konno Hikoyuki
Publication of WO2012102332A1 publication Critical patent/WO2012102332A1/en

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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
    • G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
    • G02C7/165—Shades; shields; Obturators, e.g. with pinhole, with slot with stenopaeic apertures
    • 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
    • G02C7/04—Contact lenses for the eyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand

Definitions

  • the present invention relates to a presbyopia correcting body and a presbyopia correcting method used by being directly attached to the cornea.
  • presbyopia As the individual ages, the eye focuses on a relatively close object of the observer (the individual) and the natural lens becomes harder and less adjustable.
  • Such a condition is known as presbyopia, and typically aged patients have various combinations of presbyopia, astigmatism, myopia, and hyperopia, and in particular correct the vision of patients with presbyopia. This is difficult, and various ways to solve this problem have been suggested over the years.
  • One known method includes a distance power and a near power portion having a convex surface and a concave surface on the opposite side, and one of the convex surface and the concave surface is alternately arranged, and one or more distance power portions are cylindrical.
  • a lens using a contact lens including an ophthalmic lens having a power Patent Document 1.
  • the problem to be solved by the present invention is to provide a presbyopia correcting body and a presbyopia correcting method capable of improving the visual acuity of a presbyopic person with a simple configuration.
  • the present invention is configured as follows.
  • the invention according to claim 1 is a presbyopia correcting body characterized in that it is a transparent thin plate, the transparent thin plate has an opaque portion, and a drawn transparent portion is formed in the opaque portion.
  • the invention according to claim 2 is the presbyopia correcting body according to claim 1, wherein there are a plurality of the aperture transparent portions.
  • the invention according to claim 3 is the presbyopia correcting body according to claim 1 or 2, wherein the transparent thin plate is a lens or a film.
  • the presbyopia correction body according to any one of the first to third aspects is mounted on the surface of the cornea of one or both eyes, and the aperture transparent part of the presbyopia correction body is provided. It is a presbyopia correction method characterized by enabling focusing through.
  • the present invention has the following effects.
  • the presbyopia corrector is mounted on the surface of the cornea of one or both eyes, and focusing is enabled through the aperture transparent portion of the presbyopia corrector.
  • the amount of light entering the eye is reduced by the transparent part, and the in-focus range is widened and becomes clear.
  • FIG. 1 is a front view of a presbyopia correcting body
  • FIG. 2 is a side view of the presbyopia correcting body
  • FIG. 3 is a cross-sectional view of the presbyopia correcting body
  • the presbyopia correcting body 10 is a transparent thin plate 1, and the transparent thin plate 1 has an opaque portion 2, and a transparent aperture portion 3 is formed on the opaque portion 2.
  • the transparent thin plate 1 may be a lens or a film.
  • various combinations of astigmatism, myopia, and hyperopia can be obtained.
  • by using the transparent thin plate 1 as a film it can be used as an eye protector or a cosmetic. Eye protection is worn to prevent sunlight and to reduce glare and UV rays. That is, since it is easy to suffer from health damage from sunlight, it is used for health reasons to protect the eyes from sunlight. It is also used in areas where ultraviolet rays are strong due to the influence of the ozone hole.
  • the transparent thin plate 1 may be high or low in transparency and is not particularly limited. Moreover, the transparent thin plate 1 may be transparent even if it is colored or not colored. For example, a blackish color with low brightness, which means the brightness of the color, appears opaque from the outside, and a non-black color or high transparency looks transparent from the outside.
  • the transparent thin plate 1 has a circular outer shape, it may be a polygonal shape, a star shape, or a heart shape as shown in FIG. 4, and is not particularly limited.
  • MMA metal methacrylate
  • SMA siloxanyl methacrylate
  • FMA oxygen-permeable hard contact lenses
  • MMA metal methacrylate
  • HEMA hydroxyethyl methacrylate
  • N-VP N-vinylpyrrolidone
  • DMAA dimethylacrylamide
  • GMA glycerol methacrylate
  • non-hydrous soft contact lens silicone rubber It can be applied to butyl acrylate, dimethyl siloxane, biocompatible contact lens collagen, amino acid copolymer and the like.
  • the polymerizable monomer for contact lenses generally used radically polymerizable compounds are conceivable, such as compounds containing at least one vinyl group, allyl group, acrylic group, or methacryl group in the molecule.
  • Any material usually used as a hard contact lens or soft contact lens material can be used.
  • acrylic esters such as alkyl acrylate, siloxanyl acrylate, fluoroalkyl acrylate, hydroxyalkyl acrylate, polyethylene glycol acrylate, vinyl acrylate, styrene derivatives, N-vinyl lactam, vinyl (polyvalent) carboxylate
  • a vinyl compound such as can be considered.
  • styrene acrylic acid, methyl acrylate, ethyl acrylate, n-butyl acrylate, phenyl acrylate, 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, methacrylic acid, methyl methacrylate, ethyl methacrylate, n- Butyl methacrylate, 2-ethylhexyl methacrylate, isobornyl methacrylate, benzyl methacrylate, phenyl methacrylate, 2-methacryloyloxyethyl succinic acid, 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate, 2-hydroxybutyl methacrylate, fumaric acid and their Use esters, methacrylonitrile, N, N-dimethylacrylamide, N-vinyl-2-pyrrolidone, etc. Rukoto is possible.
  • ethylene glycol dimethacrylate diethylene glycol diacrylate, triethylene glycol diacrylate, propylene glycol diacrylate, trimethylolpropane triacrylate, pentaerythritol triacrylate, 1,4-butanediol diacrylate, 1,6- Polyfunctional monomers such as hexanediol diacrylate, glycerin diacrylate, divinylbenzene diallyl phthalate, and diethylene glycol bisallyl carbonate can be used.
  • various known materials for contact lenses can be used.
  • the opaque portion 2 is a portion that is not transparent, and the transparent portion 3 is formed on the transparent thin plate 1 by the opaque portion 2.
  • the opaque part 2 may be formed by coloring or not, and is not particularly limited as long as it is not transparent. In the case of forming by coloring, a color with high brightness or a color with low brightness may be used.
  • the opaque portion 2 may be provided on the entire surface of the transparent thin plate 1 except for the aperture transparent portion 3, but the aperture transparent portion 3 is preferably a circle having a diameter of 0.8 to 1.6 mm.
  • the opaque portion 2 of this embodiment has an annular shape constituted by an outer peripheral edge 2a having a diameter of 3.8 mm and an inner peripheral edge 2b having a diameter of 0.8 to 1.6 mm.
  • the opaque part 2 is black, it is not limited to this black, Amber, red, brown, etc. may be sufficient and a color with low brightness is preferable.
  • the aperture transparent portion 3 is formed at the center of the opaque portion 2, and when the presbyopia correcting body 10 is mounted on the surface of the cornea of the eye, the amount of light entering the eye is reduced, and the in-focus range is widened and looks clear. To function.
  • the transparency of the aperture transparent portion 3 may be high or low, and in this embodiment, the aperture transparent portion 3 is formed by forming the opaque portion 2 on the transparent thin plate 1, but is not limited thereto.
  • the opaque portion 2 is an annular shape constituted by an outer peripheral edge portion 2a having a diameter of 3.8 mm and an inner peripheral edge portion 2b having a diameter of 0.8 to 1.6 mm, and the outer peripheral edge portion 2a having a diameter of 3.8 mm
  • the outer peripheral edge 2a of the coloring part 2 substantially corresponds to the size of the pupil of the eye, and there is no impression of wearing the presbyopia correcting body 10 from the outside, and the appearance is good.
  • the diameter of the aperture transparent portion 3 is 0.8 to 1.6 mm because the amount of light entering the eye can be reduced and the in-focus range can be further expanded.
  • the opaque portion 2 is annular, but as shown in FIG. 4, the annular outer shape or inner shape may be a polygonal shape, a star shape, or a heart shape, and is not particularly limited.
  • the shape of the opaque portion 2 and the shape and the number of the aperture transparent portion 3 are not particularly limited.
  • 5A and 5B a plurality of circular aperture transparent portions 3 are formed in a circular opaque portion 2.
  • 5C and 5D a plurality of circular aperture transparent portions 3 are formed in a hexagonal opaque portion 2.
  • a plurality of star-shaped aperture transparent portions 3 are formed in a hexagonal opaque portion 2.
  • this presbyopia correcting body As a method of manufacturing this presbyopia correcting body, a predetermined pigment is mixed with a monomer that is the same as or different from the material of the transparent thin plate to manufacture an ink, and this ink is placed in a concave portion arranged in an annular shape having a predetermined diameter or more. It can be considered that the ink in the concave portion is collected by a pad, transferred to a molding die of a transparent thin plate, and at least one surface of the transparent thin plate is molded by the transferred molding die.
  • an ink in which a predetermined pigment is mixed with a monomer that is the same as or different from the material of the transparent thin plate is filled into an annular recess having a predetermined diameter, and the ink in the recess is collected with a pad.
  • a transparent thin plate mold is printed on a transparent thin plate mold, and at least one surface of the transparent thin plate is molded with the printed mold.
  • this manufacturing method it becomes easy to provide the annular colored portion in an annular shape with a predetermined diameter on the transparent thin plate.
  • a method for producing a presbyopia correcting body using such a mold a method for producing a contact lens can be used.
  • a spin casting method (FIG. 6) in which a monomer as a contact lens material is injected into a rotating mold and then expanded by centrifugal force and polymerized.
  • a molding method (FIG. 7) for casting and molding by combining convex shapes.
  • a metal plate that can be easily processed can be used, and a copper plate is particularly suitable.
  • a material such as a soft polymer having scientifically stable physical properties with respect to the monomer is suitable, and silicon is particularly suitable.
  • Polyvinyl resin is suitable as a mold for printing ink, but a metal mold or the like can also be used.
  • the presbyopia correcting body manufactured in this way does not require any significant addition or modification of the manufacturing process in manufacturing the annular colored portion.
  • the contact lens is manufactured by a lace-cut method in which the front surface (the surface where light from the outside comes into contact first) and the rear surface (the surface that contacts the cornea) are cut out from the polymer.
  • a contact lens having a desired shape is shaved in advance, and an annular colored portion is then disposed on the contact lens.
  • the arrangement of the annular colored portion is a method in which the front side or the rear side of the lens is shaved, the ink is transferred to this side, the ink is polymerized, the surface on the opposite side is cut, and the opposite side is cut. Can be used.
  • masking may be performed on the front surface of the contact lens manufactured by a conventionally known method (the surface on which light from the outside first comes into contact), and an annular colored portion may be formed by coating to provide an aperture transparent portion.
  • the manufacturing method of this presbyopia correction body is an example, and is not limited to this.
  • presbyopia correction method The presbyopia correction method of this invention is demonstrated based on FIG.9 and FIG.10.
  • the presbyopia correcting body 10 is attached to the surface of the cornea 21 of one eye 10 having advanced presbyopia as shown in FIG.
  • the presbyopia correcting body 10 is mounted in this way, focusing can be performed through the aperture transparent portion 3 formed by the inner peripheral edge portion 2b of the opaque portion 2 having a diameter of 0.8 to 1.6 mm.
  • the presbyopia correcting body 10 is attached to the surface of the cornea 21 of the one eye 20 in which presbyopia has progressed, so that focusing is performed through the aperture transparent portion 3 of the presbyopia correcting body 10.
  • the aperture transparent portion 3 reduces the amount of light that enters the eye 20 and widens the in-focus range so that it can be seen clearly.
  • the presbyopia correction method using the presbyopia correcting body 10 is used for correcting one of the presbyopia, so that the balance with both eyes is achieved and the appearance is not uncomfortable.
  • the present invention can be applied to a presbyopia correcting body and a presbyopia correcting method used by being directly attached to the cornea, and can improve the visual acuity of a presbyopic person with a simple configuration.

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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)
  • Eyeglasses (AREA)

Abstract

[Problem] The vision of a presbyope can be improved by a simple constitution. [Solution] A presbyopia correction body (10) comprises a transparent thin plate (1), wherein the transparent thin plate (1) has an opaque part (2) and a transparent diaphragm part (3) is formed in the opaque part (2). The transparent thin plate (1) comprises a lens or a film. The presbyopia correction body (10) is to be worn on the surface of a cornea in one or corneas in both eyes, and the presbyopia correction body (10) can be focused through the transparent diaphragm part (3).

Description

老眼矯正体及び老眼矯正方法Presbyopia correction body and presbyopia correction method
　この発明は、角膜に直接装着して使用される老眼矯正体及び老眼矯正方法に関する。 The present invention relates to a presbyopia correcting body and a presbyopia correcting method used by being directly attached to the cornea.
　個人が加齢するにしたがって、眼は観測者（その個人）の比較的近くの物体に焦点を合わせるために生来の水晶体が硬くなったり調節力が低くなる。このような状態は、老眼として知られており、典型的には加齢した患者は、老眼、乱視、近視、および遠視のさまざまな組合せを有し、特に、老眼を有する患者の視力を矯正することは難しく、この課題を解決するためのさまざまな方法が長年に亘って示唆されてきた。 As the individual ages, the eye focuses on a relatively close object of the observer (the individual) and the natural lens becomes harder and less adjustable. Such a condition is known as presbyopia, and typically aged patients have various combinations of presbyopia, astigmatism, myopia, and hyperopia, and in particular correct the vision of patients with presbyopia. This is difficult, and various ways to solve this problem have been suggested over the years.
　ひとつの公知の方法は、凸面および反対側の凹面を有し、凸面および凹面の一方が交互に配置された遠用度数と近用度数の部分を含み、ひとつ以上の遠用度数の部分が円柱度数を有する、眼用レンズを含むコンタクトレンズを用いるものがある（特許文献１）。 One known method includes a distance power and a near power portion having a convex surface and a concave surface on the opposite side, and one of the convex surface and the concave surface is alternately arranged, and one or more distance power portions are cylindrical. There is a lens using a contact lens including an ophthalmic lens having a power (Patent Document 1).
特表２００４－５０７７９４号公報Special table 2004-507794 gazette
　このコンタクトレンズでは、眼用レンズの構成が複雑であり、精度も要求されることから生産コストが嵩むなどの問題があり、簡単な構成で老眼の人の視力を改善する方法が必要とされている。 In this contact lens, the configuration of the ophthalmic lens is complicated and there is a problem that the production cost increases because accuracy is required, and there is a need for a method for improving the visual acuity of a presbyopic person with a simple configuration. Yes.
　この発明が解決しようとする課題は、簡単な構成で、老眼の人の視力を改善することが可能な老眼矯正体及び老眼矯正方法を提供することである。 The problem to be solved by the present invention is to provide a presbyopia correcting body and a presbyopia correcting method capable of improving the visual acuity of a presbyopic person with a simple configuration.
　前記課題を解決し、かつ目的を達成するために、この発明は、以下のように構成した。 In order to solve the above-described problems and achieve the object, the present invention is configured as follows.
　請求項１に記載の発明は、透明薄板であり、前記透明薄板は、不透明部を有し、前記不透明部に絞り透明部を形成したことを特徴とする老眼矯正体である。 The invention according to claim 1 is a presbyopia correcting body characterized in that it is a transparent thin plate, the transparent thin plate has an opaque portion, and a drawn transparent portion is formed in the opaque portion.
　請求項２に記載の発明は、前記絞り透明部が複数個であることを特徴とする請求項１に記載の老眼矯正体である。 The invention according to claim 2 is the presbyopia correcting body according to claim 1, wherein there are a plurality of the aperture transparent portions.
　請求項３に記載の発明は、前記透明薄板は、レンズまたはフィルムであることを特徴とする請求項１または請求項２に記載の老眼矯正体である。 The invention according to claim 3 is the presbyopia correcting body according to claim 1 or 2, wherein the transparent thin plate is a lens or a film.
　請求項４に記載の発明は、請求項１乃至請求項３のいずれか１項に記載の老眼矯正体を、片方または両方の眼の角膜の表面に装着し、前記老眼矯正体の絞り透明部を通して焦点合わせを可能にすることを特徴とする老眼矯正方法である。 According to a fourth aspect of the present invention, the presbyopia correction body according to any one of the first to third aspects is mounted on the surface of the cornea of one or both eyes, and the aperture transparent part of the presbyopia correction body is provided. It is a presbyopia correction method characterized by enabling focusing through.
　前記構成により、この発明は、以下のような効果を有する。 With this configuration, the present invention has the following effects.
　請求項１乃至請求項４に記載の発明では、老眼矯正体を、片方または両方の眼の角膜の
表面に装着し、この老眼矯正体の絞り透明部を通して焦点合わせを可能にすることで、絞り透明部により眼に入る光の量が減り、焦点の合う範囲が広がり鮮明に見えるようになる。 In the inventions according to claims 1 to 4, the presbyopia corrector is mounted on the surface of the cornea of one or both eyes, and focusing is enabled through the aperture transparent portion of the presbyopia corrector. The amount of light entering the eye is reduced by the transparent part, and the in-focus range is widened and becomes clear.
老眼矯正体の正面図である。It is a front view of a presbyopia correction body. 老眼矯正体の側面図である。It is a side view of a presbyopia correcting body. 老眼矯正体の断面図である。It is sectional drawing of a presbyopia correction body. 他の実施の形態の老眼矯正体の正面図である。It is a front view of the presbyopia correction body of other embodiment. 絞り透明部を複数個形成した実施の形態の老眼矯正体の正面図である。It is a front view of the presbyopia correction body of embodiment which formed multiple aperture transparent parts. スピンキャスティング法を説明する図である。It is a figure explaining the spin-casting method. モールディング法を説明する図である。It is a figure explaining a molding method. レースカット法を説明する図である。It is a figure explaining the race cut method. 老眼矯正体を眼の角膜の表面に装着した状態を示す図である。It is a figure which shows the state which mounted | wore the surface of the cornea of the eye with the presbyopia correction body. 老眼矯正体の透明部による焦点合わせを説明する図である。It is a figure explaining focusing by the transparent part of a presbyopia correction body.
　以下、この発明の老眼矯正体及び老眼矯正方法の実施の形態について説明する。この発明の実施の形態は、発明の最も好ましい形態を示すものであり、この発明はこれに限定されない。
［老眼矯正体］
　この発明の老眼矯正体を、図１乃至図４に基づいて説明する。図１は老眼矯正体の正面図、図２は老眼矯正体の側面図、図３は老眼矯正体の断面図、図４は他の実施の形態の老眼矯正体の正面図である。 Hereinafter, embodiments of the presbyopia correcting body and the presbyopia correcting method of the present invention will be described. The embodiment of the present invention shows the most preferable mode of the present invention, and the present invention is not limited to this.
[Presbyopia correction body]
The presbyopia correcting body of the present invention will be described with reference to FIGS. FIG. 1 is a front view of a presbyopia correcting body, FIG. 2 is a side view of the presbyopia correcting body, FIG. 3 is a cross-sectional view of the presbyopia correcting body, and FIG.
　この老眼矯正体１０は、透明薄板１であり、この透明薄板１は、不透明部２を有し、この不透明部２に絞り透明部３を形成した構成である。 The presbyopia correcting body 10 is a transparent thin plate 1, and the transparent thin plate 1 has an opaque portion 2, and a transparent aperture portion 3 is formed on the opaque portion 2.
　透明薄板１は、レンズでも、フィルムでも良い。透明薄板１をレンズとすることで、乱視、近視、および遠視のさまざまな組合せにすることができる。また、透明薄板１をフィルムとすることで、眼の保護具や化粧品として用いることができる。眼の保護具は、日差しを防ぐために着用し、また眩しさや紫外線などを低減するために着用する。すなわち、日光から健康被害を受けやすいため、瞳を日光から守るという健康上の理由で使う。また、オゾンホールの影響で紫外線が強い地域などで用いる。 The transparent thin plate 1 may be a lens or a film. By using the transparent thin plate 1 as a lens, various combinations of astigmatism, myopia, and hyperopia can be obtained. Moreover, by using the transparent thin plate 1 as a film, it can be used as an eye protector or a cosmetic. Eye protection is worn to prevent sunlight and to reduce glare and UV rays. That is, since it is easy to suffer from health damage from sunlight, it is used for health reasons to protect the eyes from sunlight. It is also used in areas where ultraviolet rays are strong due to the influence of the ozone hole.
　透明薄板１は、透明度は高くても低くてもよく特に限定されない。また、透明薄板１は、着色されていても、着色されていなくても透明でればよい。例えば、色の明るさを意味する明度の低い黒っぽい色がついているものは、外から不透明に見え、また黒っぽくない色や透明度が高いものは、外からも透明に見える。透明薄板１は、外形形状が円形形状であるが、図４に示すように、多角形形状、星形形状でもよく、さらにハート形形状などでも良く、特に限定されない。 The transparent thin plate 1 may be high or low in transparency and is not particularly limited. Moreover, the transparent thin plate 1 may be transparent even if it is colored or not colored. For example, a blackish color with low brightness, which means the brightness of the color, appears opaque from the outside, and a non-black color or high transparency looks transparent from the outside. Although the transparent thin plate 1 has a circular outer shape, it may be a polygonal shape, a star shape, or a heart shape as shown in FIG. 4, and is not particularly limited.
　レンズの材質は、コンタクトレンズの公知の種々の材料が利用可能であり、酸素非透過性ハードコンタクトレンズのＭＭＡ（メタルメタクリレート）、酸素透過性ハードコンタクトレンズのＳＭＡ（シロキサニルメタクリレート）やＦＭＡ（フルオロメタクリレート）、含水性ソフトコンタクトレンズのＨＥＭＡ（ハイドロキシエチルメタクリレート），Ｎ－ＶＰ（Ｎ－ビニルピロリドン），ＤＭＡＡ（ジメチルアクリアミド），ＧＭＡ（グリセロールメタクリレート）、非含水性ソフトコンタクトレンズのシリコンラバー，ブチルアクリレート，ジメチルシロキサン、生体親和性コンタクトレンズのコラーゲン，アミノ酸共重合体などに適用できる。 Various known materials for contact lenses can be used as the lens material, such as MMA (metal methacrylate) for oxygen non-permeable hard contact lenses, SMA (siloxanyl methacrylate) and FMA (oxygen-permeable hard contact lenses). Fluoromethacrylate), hydrous soft contact lens HEMA (hydroxyethyl methacrylate), N-VP (N-vinylpyrrolidone), DMAA (dimethylacrylamide), GMA (glycerol methacrylate), non-hydrous soft contact lens silicone rubber, It can be applied to butyl acrylate, dimethyl siloxane, biocompatible contact lens collagen, amino acid copolymer and the like.
　この他、コンタクトレンズ用の重合性モノマーとしては、一般的に用いられるラジカル重合可能な化合物が考えられ、例えばビニル基、アリル基、アクリル基、またはメタクリル基を分子中に１個以上含む化合物で、通常ハードコンタクトレンズまたはソフトコンタクトレンズ材料として使用されている物質ならばどのようなものでも利用可能である。具体的には、アルキルアクリレート、シロキサニルアクリレート、フルオロアルキルアクリレート、ヒドロキシアルキルアクリレート、ポリエチレングリコールアクリレート、ビニルアクリレート等のアクリル酸エステル類、スチレンの誘導体、Ｎ－ビニルラクタム、（多価）カルボン酸ビニル等のビニル化合物等を考えることができる。さらに具体的には、例えば、スチレン、アクリル酸、メチルアクリレート、エチルアクリレート、ｎ－ブチルアクリレート、フェニルアクリレート、２－ヒドロキシエチルアクリレート、２－ヒドロキシプロピルアクリレート、メタクリル酸、メチルメタクリレート、エチルメタクリレート、ｎ－ブチルメタクリレート、２－エチルヘキシルメタクリレート、イソボルニルメタクリレート、ベンジルメタクリレート、フェニルメタクリレート、２－メタクリロイルオキシエチルコハク酸、２－ヒドロキシエチルメタクリレート、２－ヒドロキシプロピルメタクリレート、２－ヒドロキシブチルメタクリレート、フマル酸およびそれらのエステル類、メタクリロニトリル、Ｎ，Ｎ－ジメチルアクリルアミド、Ｎ－ビニル－２－ピロリドン等を用いることが可能である。 In addition, as the polymerizable monomer for contact lenses, generally used radically polymerizable compounds are conceivable, such as compounds containing at least one vinyl group, allyl group, acrylic group, or methacryl group in the molecule. Any material usually used as a hard contact lens or soft contact lens material can be used. Specifically, acrylic esters such as alkyl acrylate, siloxanyl acrylate, fluoroalkyl acrylate, hydroxyalkyl acrylate, polyethylene glycol acrylate, vinyl acrylate, styrene derivatives, N-vinyl lactam, vinyl (polyvalent) carboxylate A vinyl compound such as can be considered. More specifically, for example, styrene, acrylic acid, methyl acrylate, ethyl acrylate, n-butyl acrylate, phenyl acrylate, 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, methacrylic acid, methyl methacrylate, ethyl methacrylate, n- Butyl methacrylate, 2-ethylhexyl methacrylate, isobornyl methacrylate, benzyl methacrylate, phenyl methacrylate, 2-methacryloyloxyethyl succinic acid, 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate, 2-hydroxybutyl methacrylate, fumaric acid and their Use esters, methacrylonitrile, N, N-dimethylacrylamide, N-vinyl-2-pyrrolidone, etc. Rukoto is possible.
　さらに架橋剤として、エチレングリコールジメタアクリレート、ジエチレングリコールジアクリレート、トリエチレングリコールジアクリレート、プロピレングリコールジアクリレート、トリメチロールプロパントリアクリレート、ペンタエリスリトールトリアクリレート、１，４－ブタンジオールジアクリレート、１，６－ヘキサンジオールジアクリレート、グリセリンジアクリレート、ジビニルベンゼンジアリルフタレート、ジエチレングリコールビスアリルカーボネート等の多官能モノマーを用いることができる。 Further, as a crosslinking agent, ethylene glycol dimethacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, propylene glycol diacrylate, trimethylolpropane triacrylate, pentaerythritol triacrylate, 1,4-butanediol diacrylate, 1,6- Polyfunctional monomers such as hexanediol diacrylate, glycerin diacrylate, divinylbenzene diallyl phthalate, and diethylene glycol bisallyl carbonate can be used.
　フィルムの材質は、コンタクトレンズの公知の種々の材料が利用可能である。 As the material of the film, various known materials for contact lenses can be used.
　不透明部２は、透明でない部分であり、この不透明部２により絞り透明部３が透明薄板１に形成される。不透明部２は、着色によって形成しても、着色しないで形成しても良く、透明でなければ特に限定されない。着色よって形成する場合には、明度の高い色、また明度の低い色でもよい。 The opaque portion 2 is a portion that is not transparent, and the transparent portion 3 is formed on the transparent thin plate 1 by the opaque portion 2. The opaque part 2 may be formed by coloring or not, and is not particularly limited as long as it is not transparent. In the case of forming by coloring, a color with high brightness or a color with low brightness may be used.
　不透明部２は、絞り透明部３を除いて透明薄板１の全面に設けても良いが、絞り透明部３は直径０．８乃至１．６ｍｍの円形が好ましい。この実施の形態の不透明部２は、直径３．８ｍｍの外周縁部２ａと、直径０．８乃至１．６ｍｍの内周縁部２ｂとにより構成される環状としている。不透明部２は、黒色であるが、この黒色に限定されず、紺、赤、茶色などでもよく、明度の低い色が好ましい。 The opaque portion 2 may be provided on the entire surface of the transparent thin plate 1 except for the aperture transparent portion 3, but the aperture transparent portion 3 is preferably a circle having a diameter of 0.8 to 1.6 mm. The opaque portion 2 of this embodiment has an annular shape constituted by an outer peripheral edge 2a having a diameter of 3.8 mm and an inner peripheral edge 2b having a diameter of 0.8 to 1.6 mm. Although the opaque part 2 is black, it is not limited to this black, Amber, red, brown, etc. may be sufficient and a color with low brightness is preferable.
　絞り透明部３は、不透明部２の中心部に形成され、老眼矯正体１０を眼の角膜の表面に装着した際に、眼に入る光の量を減らし、焦点の合う範囲が広がり鮮明に見えるように機能する。絞り透明部３の透明度は、高くても低くてもよく、この実施の形態では、透明薄板１に不透明部２を形成することによって絞り透明部３が形成されるが、これに限定されない。 The aperture transparent portion 3 is formed at the center of the opaque portion 2, and when the presbyopia correcting body 10 is mounted on the surface of the cornea of the eye, the amount of light entering the eye is reduced, and the in-focus range is widened and looks clear. To function. The transparency of the aperture transparent portion 3 may be high or low, and in this embodiment, the aperture transparent portion 3 is formed by forming the opaque portion 2 on the transparent thin plate 1, but is not limited thereto.
　また、不透明部２は、直径３．８ｍｍの外周縁部２ａと、直径０．８乃至１．６ｍｍの内周縁部２ｂとにより構成される環状であり、直径３．８ｍｍの外周縁部２ａとすることで、着色部２の外周縁部２ａがほぼ眼の瞳の大きさに対応しており、外部から老眼矯正体１０を装着している印象がなく体裁が良い。また、絞り透明部３の直径が０．８乃至１．６ｍｍであることが、眼に入る光の量を減らし、しかも焦点の合う範囲をより広げることができ好ましい。 The opaque portion 2 is an annular shape constituted by an outer peripheral edge portion 2a having a diameter of 3.8 mm and an inner peripheral edge portion 2b having a diameter of 0.8 to 1.6 mm, and the outer peripheral edge portion 2a having a diameter of 3.8 mm By doing so, the outer peripheral edge 2a of the coloring part 2 substantially corresponds to the size of the pupil of the eye, and there is no impression of wearing the presbyopia correcting body 10 from the outside, and the appearance is good. Further, it is preferable that the diameter of the aperture transparent portion 3 is 0.8 to 1.6 mm because the amount of light entering the eye can be reduced and the in-focus range can be further expanded.
　不透明部２は、環状であるが、図４に示すように、環状の外側形状、または内側形状は、多角形形状、星形形状でもよく、さらにハート形形状などでも良く、特に限定されない。 The opaque portion 2 is annular, but as shown in FIG. 4, the annular outer shape or inner shape may be a polygonal shape, a star shape, or a heart shape, and is not particularly limited.
　また、この老眼矯正体１０は、図５に示すように、不透明部２の形状、絞り透明部３の形状、個数は特に限定されない。図５（ａ），（ｂ）では、円形の不透明部２に複数の円形の絞り透明部３が形成されている。図５（ｃ），（ｄ）では、六角形の不透明部２に複数の円形の絞り透明部３が形成されている。図５（ｅ），（ｆ）では、六角形の不透明部２に複数の星型の絞り透明部３が形成されている。 Further, as shown in FIG. 5, in the presbyopia correcting body 10, the shape of the opaque portion 2 and the shape and the number of the aperture transparent portion 3 are not particularly limited. 5A and 5B, a plurality of circular aperture transparent portions 3 are formed in a circular opaque portion 2. 5C and 5D, a plurality of circular aperture transparent portions 3 are formed in a hexagonal opaque portion 2. In FIGS. 5 (e) and 5 (f), a plurality of star-shaped aperture transparent portions 3 are formed in a hexagonal opaque portion 2.
　この老眼矯正体を製造する方法としては、透明薄板の素材と同一または異なるモノマーに所定の色素を混合してインクを製造し、このインクを、所定以上の径を有する環状に配置された凹部に注入し、この凹部のインクをパットにて採取して透明薄板の成型型に転写し、この転写された成型型にて透明薄板の少なくとも一方面の成型を行なうものを考えることができる。 As a method of manufacturing this presbyopia correcting body, a predetermined pigment is mixed with a monomer that is the same as or different from the material of the transparent thin plate to manufacture an ink, and this ink is placed in a concave portion arranged in an annular shape having a predetermined diameter or more. It can be considered that the ink in the concave portion is collected by a pad, transferred to a molding die of a transparent thin plate, and at least one surface of the transparent thin plate is molded by the transferred molding die.
　かかる製造法によれば、透明薄板の素材と同一または異なるモノマーに所定の色素を混合したインクを所定の径を有する環状に配置された凹部に充填し、この凹部のインクをパッドにて採取して透明薄板の成型型にプリントし、プリントされた成型型にて透明薄板の少なくとも一方面の成型を行なう。 According to such a manufacturing method, an ink in which a predetermined pigment is mixed with a monomer that is the same as or different from the material of the transparent thin plate is filled into an annular recess having a predetermined diameter, and the ink in the recess is collected with a pad. Are printed on a transparent thin plate mold, and at least one surface of the transparent thin plate is molded with the printed mold.
　従って、この製造方法によれば、環状の着色部を、透明薄板に所定の径で環状に設けることが容易となる。こうした成型型を用いた老眼矯正体の製造方法として、コンタクトレンズの製造方法を用いることができる。 Therefore, according to this manufacturing method, it becomes easy to provide the annular colored portion in an annular shape with a predetermined diameter on the transparent thin plate. As a method for producing a presbyopia correcting body using such a mold, a method for producing a contact lens can be used.
　このコンタクトレンズの製造方法としては、回転するモールドの中にコンタクトレンズの材料となるモノマーを注入して遠心力によってこれを拡げて重合するスピンキャスティング法（図６）、凹型にコンタクトレンズの材料を流し込んで凸型を合わせて成型するモールディング法（図７）などが知られている。また、近年では、前面を型により形成し後面をレースカットする製造方法や、その逆に後面を型により形成して前面をレースカットする製法などがあり、このようなコンタクトレンズの製造方法のいずれも採用することができる。 As a method of manufacturing this contact lens, a spin casting method (FIG. 6) in which a monomer as a contact lens material is injected into a rotating mold and then expanded by centrifugal force and polymerized. There is known a molding method (FIG. 7) for casting and molding by combining convex shapes. Also, in recent years, there are manufacturing methods in which the front surface is formed by a mold and the rear surface is lace cut, and conversely, there are manufacturing methods in which the rear surface is formed by a mold and the front surface is lace cut, and any of these contact lens manufacturing methods. Can also be adopted.
　インクを注入する凹部としては、微細加工の容易な金属板が利用でき、特に銅板が適している。インクを採取するパッドとしては、モノマーに対して科学的に安定した物性を有する軟質ポリマーなどの材質が適しており、特にシリコンが好適である。インクをプリントする成型型としては、ポリビニール製樹脂が適しているが、他に金属製の型なども用いることができる。このように製造される老眼矯正体は、環状の着色部の製造に当たって大幅な製造工程の追加・改変を必要としない。 As the recess for injecting ink, a metal plate that can be easily processed can be used, and a copper plate is particularly suitable. As a pad for collecting ink, a material such as a soft polymer having scientifically stable physical properties with respect to the monomer is suitable, and silicon is particularly suitable. Polyvinyl resin is suitable as a mold for printing ink, but a metal mold or the like can also be used. The presbyopia correcting body manufactured in this way does not require any significant addition or modification of the manufacturing process in manufacturing the annular colored portion.
　また、コンタクトレンズの製造方法としては、前記の成型を伴う方法の他に、前面（外界からの光線が最初に接触する面）と後面（角膜に接触する面）とをポリマーから削り出すレースカット法（図８）がある。この製造方法を採用する場合には、所望の形状のコンタクトレンズを予め削りだしておき、これに後から、環状の着色部を配置すればよい。この場合の環状の着色部の配置は、レンズ前面側または後面側を削りだした後、この面にインクを転写し、インクの重合を行ない、表面研磨後、反対側の面を切削するといった方法を用いて行なえば良い。 In addition to the method that involves the molding described above, the contact lens is manufactured by a lace-cut method in which the front surface (the surface where light from the outside comes into contact first) and the rear surface (the surface that contacts the cornea) are cut out from the polymer. There is a law (Figure 8). In the case of adopting this manufacturing method, a contact lens having a desired shape is shaved in advance, and an annular colored portion is then disposed on the contact lens. In this case, the arrangement of the annular colored portion is a method in which the front side or the rear side of the lens is shaved, the ink is transferred to this side, the ink is polymerized, the surface on the opposite side is cut, and the opposite side is cut. Can be used.
また、従来の公知の方法により製造されたコンタクトレンズの前面（外界からの光線が最初に接触する面）にマスキングを行い、塗布により環状の着色部を形成して絞り透明部を設けても良い。
但し、この老眼矯正体の製造方法は１例であり、この限りでは無い。 Further, masking may be performed on the front surface of the contact lens manufactured by a conventionally known method (the surface on which light from the outside first comes into contact), and an annular colored portion may be formed by coating to provide an aperture transparent portion. .
However, the manufacturing method of this presbyopia correction body is an example, and is not limited to this.
［老眼矯正方法］
　この発明の老眼矯正方法を、図９及び図１０に基づいて説明する。老眼が進み、老眼鏡を使用するようになると、老眼矯正体１０を、図９に示すように、老眼が進んだ片方の眼１０の角膜２１の表面に装着する。このように老眼矯正体１０を装着すると、不透明部２の直径０．８乃至１．６ｍｍの内周縁部２ｂにより形成された絞り透明部３を通して焦点合わせが可能になる。 [Presbyopia correction method]
The presbyopia correction method of this invention is demonstrated based on FIG.9 and FIG.10. When presbyopia progresses and reading glasses are used, the presbyopia correcting body 10 is attached to the surface of the cornea 21 of one eye 10 having advanced presbyopia as shown in FIG. When the presbyopia correcting body 10 is mounted in this way, focusing can be performed through the aperture transparent portion 3 formed by the inner peripheral edge portion 2b of the opaque portion 2 having a diameter of 0.8 to 1.6 mm.
　したがって、図１０（ａ）に示すように、老眼矯正体１０を、老眼が進んだ片方の眼２０の角膜２１の表面に装着したことで、老眼矯正体１０の絞り透明部３を通して焦点合わせを可能になり、この絞り透明部３により眼２０に入る光の量が減り、焦点の合う範囲が広がり鮮明に見えるようになる。 Therefore, as shown in FIG. 10A, the presbyopia correcting body 10 is attached to the surface of the cornea 21 of the one eye 20 in which presbyopia has progressed, so that focusing is performed through the aperture transparent portion 3 of the presbyopia correcting body 10. The aperture transparent portion 3 reduces the amount of light that enters the eye 20 and widens the in-focus range so that it can be seen clearly.
　これに対して、老眼矯正体１０を装着しない状態では、図１０（ｂ）に示すように、眼２０に入る光の量が多く、ぼやけたり、かすむなど不鮮明である。 On the other hand, in the state where the presbyopia correcting body 10 is not worn, as shown in FIG. 10B, the amount of light entering the eye 20 is large and blurry or blurred.
　この老眼矯正体１０を使用した老眼矯正方法は、老眼が進んだ片方の矯正に使用することで、両眼とのバランスが行われ、見え方に違和感がなくなる。 The presbyopia correction method using the presbyopia correcting body 10 is used for correcting one of the presbyopia, so that the balance with both eyes is achieved and the appearance is not uncomfortable.
　図９及び図１０では、老眼矯正体１０を、老眼が進んだ片方の眼１０の角膜２１の表面に装着する場合について説明したが、両方の眼を装着しても同様に絞り透明部３を通して焦点合わせが可能になる。 9 and 10, the case where the presbyopia correcting body 10 is attached to the surface of the cornea 21 of one eye 10 in which presbyopia has progressed has been described. Focusing becomes possible.
　この発明は、角膜に直接装着して使用される老眼矯正体及び老眼矯正方法に適用可能であり、簡単な構成で、老眼の人の視力を改善することが可能である。 The present invention can be applied to a presbyopia correcting body and a presbyopia correcting method used by being directly attached to the cornea, and can improve the visual acuity of a presbyopic person with a simple configuration.
１　透明薄板
２　不透明部
２ａ　外周縁部
２ｂ　内周縁部
３　絞り透明部
１０　老眼矯正体 DESCRIPTION OF SYMBOLS 1 Transparent thin board 2 Opaque part 2a Outer peripheral part 2b Inner peripheral part 3 Diaphragm transparent part 10 Presbyopia correction body

Claims (4)

  1. 　透明薄板であり、
    　前記透明薄板は、不透明部を有し、
    　前記不透明部に絞り透明部を形成したことを特徴とする老眼矯正体。     A transparent thin plate,
    The transparent thin plate has an opaque part,
    A presbyopia correcting body characterized in that a transparent aperture portion is formed in the opaque portion.
  2. 　前記絞り透明部が複数個であることを特徴とする請求項１に記載の老眼矯正体。 The presbyopia correcting body according to claim 1, wherein there are a plurality of the transparent aperture portions.
  3. 　前記透明薄板は、レンズまたはフィルムであることを特徴とする請求項１または請求項２に記載の老眼矯正体。 The presbyopia correcting body according to claim 1 or 2, wherein the transparent thin plate is a lens or a film.
  4. 　請求項１乃至請求項３のいずれか１項に記載の老眼矯正体を、片方または両方の眼の角膜の表面に装着し、
    　前記老眼矯正体の絞り透明部を通して焦点合わせを可能にすることを特徴とする老眼矯正方法。     The presbyopia correcting body according to any one of claims 1 to 3 is attached to the surface of the cornea of one or both eyes,
    A method for correcting presbyopia, which enables focusing through the aperture transparent part of the presbyopia correcting body.
PCT/JP2012/051639 2011-01-28 2012-01-26 Presbyopia correction body and presbyopia correction method WO2012102332A1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017142504A (en) * 2017-03-01 2017-08-17 彦之 今野 Manufacturing method of functional contact lens
WO2024052713A1 (en) * 2022-09-05 2024-03-14 Arcave Limited Contact lens
EP4115216A4 (en) * 2020-03-01 2024-03-20 Nthalmic Holding Pty Ltd Contact lens apparatus for myopia management

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794414A (en) * 1972-05-12 1974-02-26 Jessen Inc Wesley Multiple focal contact lens
JPH0829740A (en) * 1994-07-18 1996-02-02 Shigeya Takahashi Pinhole type contact lens for astigmatism
JPH0943551A (en) * 1995-07-27 1997-02-14 Hiroshi Naoe Spectacles for monitor
JPH09502542A (en) * 1993-09-13 1997-03-11 ピルキントン バーンズ ハインド インコーポレイテッド Annular mask contact lens
JPH11242191A (en) * 1998-02-24 1999-09-07 Hitoshi Toyama Bifocal contact iris
JP2002214571A (en) * 2001-01-16 2002-07-31 Akira Yamada Pinhole spectacles
JP2005148690A (en) * 2003-11-19 2005-06-09 Seikatsu Kagaku Kenkyusho:Kk Mobile pinhole glasses

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794414A (en) * 1972-05-12 1974-02-26 Jessen Inc Wesley Multiple focal contact lens
JPH09502542A (en) * 1993-09-13 1997-03-11 ピルキントン バーンズ ハインド インコーポレイテッド Annular mask contact lens
JPH0829740A (en) * 1994-07-18 1996-02-02 Shigeya Takahashi Pinhole type contact lens for astigmatism
JPH0943551A (en) * 1995-07-27 1997-02-14 Hiroshi Naoe Spectacles for monitor
JPH11242191A (en) * 1998-02-24 1999-09-07 Hitoshi Toyama Bifocal contact iris
JP2002214571A (en) * 2001-01-16 2002-07-31 Akira Yamada Pinhole spectacles
JP2005148690A (en) * 2003-11-19 2005-06-09 Seikatsu Kagaku Kenkyusho:Kk Mobile pinhole glasses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017142504A (en) * 2017-03-01 2017-08-17 彦之 今野 Manufacturing method of functional contact lens
EP4115216A4 (en) * 2020-03-01 2024-03-20 Nthalmic Holding Pty Ltd Contact lens apparatus for myopia management
WO2024052713A1 (en) * 2022-09-05 2024-03-14 Arcave Limited Contact lens

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