ES2182097T3 - Lente oftalmica multifocal de difraccion mejorada. - Google Patents

Lente oftalmica multifocal de difraccion mejorada.

Info

Publication number
ES2182097T3
ES2182097T3 ES97927598T ES97927598T ES2182097T3 ES 2182097 T3 ES2182097 T3 ES 2182097T3 ES 97927598 T ES97927598 T ES 97927598T ES 97927598 T ES97927598 T ES 97927598T ES 2182097 T3 ES2182097 T3 ES 2182097T3
Authority
ES
Spain
Prior art keywords
multifocal
difraction
improved
optimal lens
distant
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
ES97927598T
Other languages
English (en)
Inventor
Chun-Shen Lee
Michael J Simpson
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.)
Alcon Vision LLC
Original Assignee
Alcon Laboratories Inc
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 Alcon Laboratories Inc filed Critical Alcon Laboratories Inc
Application granted granted Critical
Publication of ES2182097T3 publication Critical patent/ES2182097T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G02B5/189—Structurally combined with optical elements not having diffractive power
    • G02B5/1895—Structurally combined with optical elements not having diffractive power such optical elements having dioptric power
    • 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 or corneal implants; 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 or corneal implants; 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
    • 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
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Prostheses (AREA)
  • Eyeglasses (AREA)
  • Materials For Medical Uses (AREA)
  • Medicinal Preparation (AREA)

Abstract

UNA LENTE OFTALMICA MULTIFOCO DE DIFRACCION INCLUYE UNA ZONA DE APODIZACION QUE COMPRENDE UNOS ESCALONES CON LA ALTURA DEL ESCALON LIGERAMENTE REDUCIDA PARA DESPLAZAR EL BALANCE ENERGETICO DESDE LA IMAGEN PROXIMA A LA IMAGEN DISTANTE Y REDUCIR DE DICHA FORMA EL BRILLO PERCIBIDO CUANDO SE OBSERVA UNA FUENTE DE LUZ DISCRETA A DISTANCIA.
ES97927598T 1996-05-23 1997-04-23 Lente oftalmica multifocal de difraccion mejorada. Expired - Lifetime ES2182097T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/655,346 US5699142A (en) 1994-09-01 1996-05-23 Diffractive multifocal ophthalmic lens

Publications (1)

Publication Number Publication Date
ES2182097T3 true ES2182097T3 (es) 2003-03-01

Family

ID=24628522

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97927598T Expired - Lifetime ES2182097T3 (es) 1996-05-23 1997-04-23 Lente oftalmica multifocal de difraccion mejorada.

Country Status (9)

Country Link
US (1) US5699142A (es)
EP (1) EP0888564B1 (es)
JP (1) JP3339689B2 (es)
AT (1) ATE225044T1 (es)
AU (1) AU706891B2 (es)
CA (1) CA2238962C (es)
DE (1) DE69715830T2 (es)
ES (1) ES2182097T3 (es)
WO (1) WO1997044689A1 (es)

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* Cited by examiner, † Cited by third party
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DE69715830D1 (de) 2002-10-31
EP0888564B1 (en) 2002-09-25
AU3202997A (en) 1997-12-09
EP0888564A1 (en) 1999-01-07
WO1997044689A1 (en) 1997-11-27
ATE225044T1 (de) 2002-10-15
DE69715830T2 (de) 2003-08-07
AU706891B2 (en) 1999-07-01

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