WO2012102332A1 - Corps correcteur de presbytie et procédé de correction de presbytie - Google Patents

Corps correcteur de presbytie et procédé de correction de presbytie 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
Authority
WO
WIPO (PCT)
Prior art keywords
presbyopia
transparent
thin plate
presbyopia correction
transparent thin
Prior art date
Application number
PCT/JP2012/051639
Other languages
English (en)
Japanese (ja)
Inventor
彦之 今野
Original Assignee
Konno Hikoyuki
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2011016884A external-priority patent/JP2012155295A/ja
Priority claimed from JP2011235254A external-priority patent/JP2013011846A/ja
Application filed by Konno Hikoyuki filed Critical Konno Hikoyuki
Publication of WO2012102332A1 publication Critical patent/WO2012102332A1/fr

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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
    • G02C7/16—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

L'invention, de construction simple, permet d'améliorer la vision d'un presbyte. Selon l'invention, un corps correcteur de presbytie (10) comprend une mince plaque transparente (1) comportant une partie opaque (2) dans laquelle est formée une partie membrane transparente (3). La mince plaque transparente (1) comprend une lentille ou un film. Le corps correcteur de presbytie (10) doit être porté sur la surface de la cornée d'un ou des deux yeux, sa mise au point s'effectuant par le biais de la partie membrane transparente (3).
PCT/JP2012/051639 2011-01-28 2012-01-26 Corps correcteur de presbytie et procédé de correction de presbytie WO2012102332A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2011-016884 2011-01-28
JP2011016884A JP2012155295A (ja) 2011-01-28 2011-01-28 老眼矯正体及び老眼矯正方法
JP2011-120370 2011-05-30
JP2011120370 2011-05-30
JP2011-235254 2011-10-26
JP2011235254A JP2013011846A (ja) 2011-05-30 2011-10-26 老眼矯正体及び老眼矯正方法

Publications (1)

Publication Number Publication Date
WO2012102332A1 true WO2012102332A1 (fr) 2012-08-02

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ID=46580896

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Application Number Title Priority Date Filing Date
PCT/JP2012/051639 WO2012102332A1 (fr) 2011-01-28 2012-01-26 Corps correcteur de presbytie et procédé de correction de presbytie

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WO (1) WO2012102332A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017142504A (ja) * 2017-03-01 2017-08-17 彦之 今野 機能付きコンタクトレンズの製造方法
WO2024052713A1 (fr) * 2022-09-05 2024-03-14 Arcave Limited Lentille de contact
EP4115216A4 (fr) * 2020-03-01 2024-03-20 Nthalmic Holding Pty Ltd Appareil à lentille de contact pour la gestion de la myopie

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 (ja) * 1994-07-18 1996-02-02 Shigeya Takahashi ピンホール式乱視用コンタクトレンズ
JPH0943551A (ja) * 1995-07-27 1997-02-14 Hiroshi Naoe モニター用メガネ
JPH09502542A (ja) * 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 環状マスクコンタクトレンズ
JPH11242191A (ja) * 1998-02-24 1999-09-07 Hitoshi Toyama 遠近両用コンタクトアイリス
JP2002214571A (ja) * 2001-01-16 2002-07-31 Akira Yamada ピンホールメガネ
JP2005148690A (ja) * 2003-11-19 2005-06-09 Seikatsu Kagaku Kenkyusho:Kk 可動式ピンホールメガネ

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 (ja) * 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 環状マスクコンタクトレンズ
JPH0829740A (ja) * 1994-07-18 1996-02-02 Shigeya Takahashi ピンホール式乱視用コンタクトレンズ
JPH0943551A (ja) * 1995-07-27 1997-02-14 Hiroshi Naoe モニター用メガネ
JPH11242191A (ja) * 1998-02-24 1999-09-07 Hitoshi Toyama 遠近両用コンタクトアイリス
JP2002214571A (ja) * 2001-01-16 2002-07-31 Akira Yamada ピンホールメガネ
JP2005148690A (ja) * 2003-11-19 2005-06-09 Seikatsu Kagaku Kenkyusho:Kk 可動式ピンホールメガネ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017142504A (ja) * 2017-03-01 2017-08-17 彦之 今野 機能付きコンタクトレンズの製造方法
EP4115216A4 (fr) * 2020-03-01 2024-03-20 Nthalmic Holding Pty Ltd Appareil à lentille de contact pour la gestion de la myopie
WO2024052713A1 (fr) * 2022-09-05 2024-03-14 Arcave Limited Lentille de contact

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