ES2131045T3 - Lentes multifocales con varias zonas difractivas. - Google Patents

Lentes multifocales con varias zonas difractivas.

Info

Publication number
ES2131045T3
ES2131045T3 ES91304322T ES91304322T ES2131045T3 ES 2131045 T3 ES2131045 T3 ES 2131045T3 ES 91304322 T ES91304322 T ES 91304322T ES 91304322 T ES91304322 T ES 91304322T ES 2131045 T3 ES2131045 T3 ES 2131045T3
Authority
ES
Spain
Prior art keywords
lenses
several different
different areas
multifocal lenses
vision
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES91304322T
Other languages
English (en)
Inventor
Donn M Silberman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iolab Corp
Original Assignee
Iolab Corp
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
Application filed by Iolab Corp filed Critical Iolab Corp
Application granted granted Critical
Publication of ES2131045T3 publication Critical patent/ES2131045T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1616—Pseudo-accommodative, e.g. multifocal or enabling monovision
    • A61F2/1618—Multifocal lenses
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1654—Diffractive lenses
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1654—Diffractive lenses
    • A61F2/1656—Fresnel lenses, prisms or plates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G02B5/188—Plurality of such optical elements formed in or on a supporting substrate
    • 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
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/042—Simultaneous type
    • 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
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/045—Sectorial configuration
    • 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
    • G02C2202/20—Diffractive and Fresnel lenses or lens portions

Abstract

SE DESCUBREN LENTES MULTIFOCALES PARA MEJORAR LA VISION. LAS LENTES DE ESTA INVENCION UTILIZAN AL MENOS UNA ZONA DE DIFRACCION LOCALIZADA EN UNA PARTE DEFINIDA DE LA SUPERFICIE DE UNA LENTE REFRACTIVA PARA ALCANZAR UNA VISION MULTIFOCAL DE GRAN EFICACIA AL SUMINISTRAR CERCA DEL 100% DE EFICACIA EN UN ORDEN DE DIFRACCION +1. LAS LENTES DESCUBIERTAS PUEDEN UTILIZARSE COMO LENTES DE CONTACTO Y LENTES INTRAOCULARES ASI COMO PARA OTRAS APLICACIONES DE CORRECCION DE LA VISION.
ES91304322T 1990-05-14 1991-05-14 Lentes multifocales con varias zonas difractivas. Expired - Lifetime ES2131045T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/523,146 US5096285A (en) 1990-05-14 1990-05-14 Multifocal multizone diffractive ophthalmic lenses

Publications (1)

Publication Number Publication Date
ES2131045T3 true ES2131045T3 (es) 1999-07-16

Family

ID=24083841

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91304322T Expired - Lifetime ES2131045T3 (es) 1990-05-14 1991-05-14 Lentes multifocales con varias zonas difractivas.

Country Status (12)

Country Link
US (1) US5096285A (es)
EP (1) EP0457553B1 (es)
KR (1) KR100207164B1 (es)
AU (1) AU662291B2 (es)
DE (1) DE69130812T2 (es)
ES (1) ES2131045T3 (es)
IE (1) IE911639A1 (es)
MX (1) MX174633B (es)
MY (1) MY106155A (es)
NZ (1) NZ238077A (es)
PT (1) PT97656A (es)
ZA (1) ZA913611B (es)

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AU7649491A (en) 1994-02-17
KR100207164B1 (ko) 1999-07-15
EP0457553A2 (en) 1991-11-21
KR910020460A (ko) 1991-12-20
IE911639A1 (en) 1991-11-20
DE69130812D1 (de) 1999-03-11
MX174633B (es) 1994-05-30
NZ238077A (en) 1994-09-27
AU662291B2 (en) 1995-08-31
PT97656A (pt) 1993-07-30
US5096285A (en) 1992-03-17
ZA913611B (en) 1993-01-27
EP0457553A3 (en) 1992-06-10
EP0457553B1 (en) 1999-01-27
MY106155A (en) 1995-03-31
DE69130812T2 (de) 1999-07-29

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