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NO922691L - Sementerte multifokale kontaktlinser samt fremgangsmaate ved fremstilling derav - Google Patents

Sementerte multifokale kontaktlinser samt fremgangsmaate ved fremstilling derav

Info

Publication number
NO922691L
NO922691L NO92922691A NO922691A NO922691L NO 922691 L NO922691 L NO 922691L NO 92922691 A NO92922691 A NO 92922691A NO 922691 A NO922691 A NO 922691A NO 922691 L NO922691 L NO 922691L
Authority
NO
Norway
Prior art keywords
lens
segments
edge
shapes
center
Prior art date
Application number
NO92922691A
Other languages
English (en)
Other versions
NO922691D0 (no
Inventor
Jeffrey H Roffman
Edgar Menezes
Robert Labelle
John Scrivener
Original Assignee
Johnson & Johnson Vision Prod
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 Johnson & Johnson Vision Prod filed Critical Johnson & Johnson Vision Prod
Publication of NO922691D0 publication Critical patent/NO922691D0/no
Publication of NO922691L publication Critical patent/NO922691L/no

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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lenses (AREA)

Abstract

Det er beskrevet en multifokal refraktiv linse for å fokusere lys på øyets netthinne og en fremgangsmåte for fremstilling av denne. Linsen omfatter et mangfold segmenter, alternerende segmenter med forskjellige optiske styrker. I det minste for fjernsyn og en annen for nærsyn. Linsen krever ikke orientering for å gi akseptabelt fjern-og nærsyn og normalsteoskopisk. effekt. Et eller begge segmentene med optisk styrke kan ha asfæriske linseoverflater. Fortrinnsvis har linsen i det minste en asfærisk linseoverflate og segmentene er oppdelt av en bueformet bane fra midten av linsen mot kanten. En slik linse fremstilles ved å ta linseformer og skjære formene fra kanten gjennom sentrum til den motsatte kanten langs en forutbestemt bane. Formene er skåret slik at segmentene som frembringes er utbyttbare og kan settes sammen til en form som kan frembringe den multifokale refraktive kontaktlinsen ved støping.
NO92922691A 1991-07-10 1992-07-08 Sementerte multifokale kontaktlinser samt fremgangsmaate ved fremstilling derav NO922691L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/728,903 US5198844A (en) 1991-07-10 1991-07-10 Segmented multifocal contact lens

Publications (2)

Publication Number Publication Date
NO922691D0 NO922691D0 (no) 1992-07-08
NO922691L true NO922691L (no) 1993-01-11

Family

ID=24928736

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92922691A NO922691L (no) 1991-07-10 1992-07-08 Sementerte multifokale kontaktlinser samt fremgangsmaate ved fremstilling derav

Country Status (28)

Country Link
US (2) US5198844A (no)
EP (3) EP1126310A3 (no)
JP (1) JP3274713B2 (no)
KR (1) KR930002850A (no)
CN (1) CN1030480C (no)
AT (1) ATE233411T1 (no)
AU (1) AU650550B2 (no)
BR (1) BR9202524A (no)
CA (1) CA2073536C (no)
DE (1) DE69232936T2 (no)
FI (1) FI923173L (no)
GR (1) GR1002024B (no)
GT (1) GT199200040A (no)
HK (1) HK1002597A1 (no)
HN (1) HN1992004968A (no)
HU (1) HUT63007A (no)
IE (2) IE922242A1 (no)
IL (1) IL102029A (no)
MX (1) MX9204025A (no)
NO (1) NO922691L (no)
NZ (1) NZ242910A (no)
RO (1) RO111631B (no)
RU (1) RU2099760C1 (no)
SG (1) SG48722A1 (no)
TW (1) TW226975B (no)
UY (1) UY23444A1 (no)
YU (1) YU59992A (no)
ZA (1) ZA925141B (no)

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Also Published As

Publication number Publication date
YU59992A (sh) 1996-01-08
UY23444A1 (es) 1992-08-06
NZ242910A (en) 1995-03-28
JPH05188332A (ja) 1993-07-30
CA2073536A1 (en) 1993-01-11
SG48722A1 (en) 1998-05-18
HUT63007A (en) 1993-06-28
US5507979A (en) 1996-04-16
RO111631B (ro) 1996-11-29
CN1070743A (zh) 1993-04-07
MX9204025A (es) 1993-01-01
NO922691D0 (no) 1992-07-08
EP0764870B1 (en) 2003-02-26
TW226975B (no) 1994-07-21
ATE233411T1 (de) 2003-03-15
US5198844A (en) 1993-03-30
KR930002850A (ko) 1993-02-23
GR920100213A (el) 1993-05-24
EP0764870A1 (en) 1997-03-26
FI923173L (fi) 1993-01-11
HN1992004968A (es) 1998-12-26
RU2099760C1 (ru) 1997-12-20
BR9202524A (pt) 1993-03-16
DE69232936T2 (de) 2003-11-06
IE20030912A1 (en) 2004-01-28
IL102029A0 (en) 1992-12-30
EP1126310A3 (en) 2001-09-05
CA2073536C (en) 2003-12-16
HK1002597A1 (en) 1998-09-04
GR1002024B (en) 1995-10-31
ZA925141B (en) 1994-01-10
JP3274713B2 (ja) 2002-04-15
EP0522852A1 (en) 1993-01-13
FI923173A0 (fi) 1992-07-09
AU650550B2 (en) 1994-06-23
EP1126310A2 (en) 2001-08-22
IL102029A (en) 1996-01-31
HU9202287D0 (en) 1992-10-28
GT199200040A (es) 1994-01-07
AU1941192A (en) 1993-01-14
IE922242A1 (en) 1993-01-13
DE69232936D1 (de) 2003-04-03
CN1030480C (zh) 1995-12-06

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