CA1244687A - Contact lens - Google Patents

Contact lens

Info

Publication number
CA1244687A
CA1244687A CA000423219A CA423219A CA1244687A CA 1244687 A CA1244687 A CA 1244687A CA 000423219 A CA000423219 A CA 000423219A CA 423219 A CA423219 A CA 423219A CA 1244687 A CA1244687 A CA 1244687A
Authority
CA
Canada
Prior art keywords
lens
lens according
main body
carrier
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
Application number
CA000423219A
Other languages
English (en)
French (fr)
Inventor
William D. Brennan
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.)
Novartis AG
Original Assignee
Ciba Geigy Investments Ltd
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 Ciba Geigy Investments Ltd filed Critical Ciba Geigy Investments Ltd
Application granted granted Critical
Publication of CA1244687A publication Critical patent/CA1244687A/en
Expired 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
    • 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
    • G02C7/08—Auxiliary lenses; Arrangements for varying focal length
    • G02C7/086—Auxiliary lenses located directly on a main spectacle lens or in the immediate vicinity of main spectacles
    • 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
    • G02C7/043—Translating 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
    • G02C7/048—Means for stabilising the orientation of lenses in the eye
    • 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
    • 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
    • G02C7/08—Auxiliary lenses; Arrangements for varying focal length

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)
CA000423219A 1982-03-10 1983-03-09 Contact lens Expired CA1244687A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35667282A 1982-03-10 1982-03-10
US356,672 1982-03-10

Publications (1)

Publication Number Publication Date
CA1244687A true CA1244687A (en) 1988-11-15

Family

ID=23402432

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000423219A Expired CA1244687A (en) 1982-03-10 1983-03-09 Contact lens

Country Status (4)

Country Link
CA (1) CA1244687A (de)
CH (1) CH658920A5 (de)
DE (1) DE3308570A1 (de)
GB (1) GB2117130B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192291B (en) * 1986-03-04 1990-08-22 Gupta Anil K Progressive power contact lens.
DE4012478A1 (de) * 1990-04-19 1991-10-24 Heinrich Woehlk Inst Fuer Cont Kontaktlinse mit lagestabilisierung
US5422687A (en) * 1993-03-31 1995-06-06 Menicon Co., Ltd. Contact lens wherein central correction region has a center 0.2-2.4mm offset from lens geometric center and a diameter of 0.8-3.5mm
TW275112B (en) * 1995-03-15 1996-05-01 Ciba Geigy Ag Rotationally stabilized contact lens and methods of lens stabilization

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2016736B (en) * 1978-03-21 1982-04-28 Thomas P F Contact lens having one or more lugs

Also Published As

Publication number Publication date
CH658920A5 (de) 1986-12-15
GB8304737D0 (en) 1983-03-23
DE3308570A1 (de) 1983-09-22
GB2117130A (en) 1983-10-05
GB2117130B (en) 1985-09-11

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Legal Events

Date Code Title Description
MKEX Expiry