DE68914015D1 - Multifokale ophthalmische Beugungslinsen. - Google Patents

Multifokale ophthalmische Beugungslinsen.

Info

Publication number
DE68914015D1
DE68914015D1 DE89303198T DE68914015T DE68914015D1 DE 68914015 D1 DE68914015 D1 DE 68914015D1 DE 89303198 T DE89303198 T DE 89303198T DE 68914015 T DE68914015 T DE 68914015T DE 68914015 D1 DE68914015 D1 DE 68914015D1
Authority
DE
Germany
Prior art keywords
multifocal ophthalmic
diffraction lenses
lenses
diffraction
multifocal
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
DE89303198T
Other languages
English (en)
Other versions
DE68914015T2 (de
Inventor
Michael J C O Minnesot Simpson
John A C O Minnesota Mi Futhey
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE68914015D1 publication Critical patent/DE68914015D1/de
Application granted granted Critical
Publication of DE68914015T2 publication Critical patent/DE68914015T2/de
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
    • 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
    • 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
    • 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
    • G02B5/189—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
    • 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
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • 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
DE68914015T 1988-04-01 1989-03-31 Multifokale ophthalmische Beugungslinsen. Expired - Lifetime DE68914015T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17670188A 1988-04-01 1988-04-01

Publications (2)

Publication Number Publication Date
DE68914015D1 true DE68914015D1 (de) 1994-04-28
DE68914015T2 DE68914015T2 (de) 1994-10-06

Family

ID=22645483

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68914015T Expired - Lifetime DE68914015T2 (de) 1988-04-01 1989-03-31 Multifokale ophthalmische Beugungslinsen.
DE198989303198T Pending DE335731T1 (de) 1988-04-01 1989-03-31 Multifokale ophthalmische beugungslinsen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198989303198T Pending DE335731T1 (de) 1988-04-01 1989-03-31 Multifokale ophthalmische beugungslinsen.

Country Status (10)

Country Link
US (1) US5129718A (de)
EP (1) EP0335731B1 (de)
JP (1) JP3054419B2 (de)
KR (1) KR0158673B1 (de)
AU (1) AU614346B2 (de)
BR (1) BR8901513A (de)
CA (1) CA1316728C (de)
DE (2) DE68914015T2 (de)
ES (1) ES2012742T3 (de)
MX (1) MX171656B (de)

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US5229797A (en) * 1990-08-08 1993-07-20 Minnesota Mining And Manufacturing Company Multifocal diffractive ophthalmic lenses
US5629799A (en) * 1992-07-16 1997-05-13 Asahi Kogaku Kogyo Kabushiki Kaisha Chromatic aberration correcting element and its application
US5450145A (en) * 1992-11-04 1995-09-12 Valentine; James M. Apparatus and method for testing visual focus control
US5344447A (en) * 1992-11-12 1994-09-06 Massachusetts Institute Of Technology Diffractive trifocal intra-ocular lens design
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US5517259A (en) * 1992-11-23 1996-05-14 Innotech, Inc. Method of manufacturing toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lenses
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US6231603B1 (en) 1998-11-10 2001-05-15 Allergan Sales, Inc. Accommodating multifocal intraocular lens
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Also Published As

Publication number Publication date
CA1316728C (en) 1993-04-27
MX171656B (es) 1993-11-10
KR890016407A (ko) 1989-11-29
EP0335731A3 (de) 1991-08-07
AU614346B2 (en) 1991-08-29
US5129718A (en) 1992-07-14
DE68914015T2 (de) 1994-10-06
EP0335731B1 (de) 1994-03-23
KR0158673B1 (ko) 1999-03-30
ES2012742T3 (es) 1994-05-16
JP3054419B2 (ja) 2000-06-19
EP0335731A2 (de) 1989-10-04
JPH0228615A (ja) 1990-01-30
ES2012742A4 (es) 1990-04-16
AU3225789A (en) 1989-10-05
DE335731T1 (de) 1990-07-26
BR8901513A (pt) 1989-11-14

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