CH658920A5 - Kontaktlinse. - Google Patents

Kontaktlinse. Download PDF

Info

Publication number: CH658920A5
Authority: CH; Switzerland
Prior art keywords: lens; lens according; main body; carrier; refractive power
Prior art date: 1982-03-10

Application number

CH1249/83A

Other languages

German (de)

English (en)

Inventor

William D Brennan

Original Assignee

American Optical 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.)

1982-03-10

Filing date

1983-03-08

Publication date

1986-12-15

1983-03-08 Application filed by American Optical Corp filed Critical American Optical Corp

1986-12-15 Publication of CH658920A5 publication Critical patent/CH658920A5/de

Links

230000000087 stabilizing effect Effects 0.000 claims description 3
210000001508 eye Anatomy 0.000 description 13
201000010041 presbyopia Diseases 0.000 description 6
208000001491 myopia Diseases 0.000 description 4
208000029091 Refraction disease Diseases 0.000 description 3
230000004430 ametropia Effects 0.000 description 3
239000011521 glass Substances 0.000 description 3
208000014733 refractive error Diseases 0.000 description 3
201000009310 astigmatism Diseases 0.000 description 2
210000005252 bulbus oculi Anatomy 0.000 description 2
239000000969 carrier Substances 0.000 description 2
210000004087 cornea Anatomy 0.000 description 2
230000003287 optical effect Effects 0.000 description 2
230000000007 visual effect Effects 0.000 description 2
230000004397 blinking Effects 0.000 description 1
210000004556 brain Anatomy 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
238000000034 method Methods 0.000 description 1
210000001747 pupil Anatomy 0.000 description 1
230000004256 retinal image Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1

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)

CH1249/83A 1982-03-10 1983-03-08 Kontaktlinse. CH658920A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US35667282A	1982-03-10	1982-03-10

Publications (1)

Publication Number	Publication Date
CH658920A5 true CH658920A5 (de)	1986-12-15

Family

ID=23402432

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1249/83A CH658920A5 (de)	1982-03-10	1983-03-08	Kontaktlinse.

Country Status (4)

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

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

1983
- 1983-02-21 GB GB08304737A patent/GB2117130B/en not_active Expired
- 1983-03-08 CH CH1249/83A patent/CH658920A5/de not_active IP Right Cessation
- 1983-03-09 CA CA000423219A patent/CA1244687A/fr not_active Expired
- 1983-03-10 DE DE19833308570 patent/DE3308570A1/de not_active Ceased

Also Published As

Publication number	Publication date
CA1244687A (fr)	1988-11-15
DE3308570A1 (de)	1983-09-22
GB8304737D0 (en)	1983-03-23
GB2117130A (en)	1983-10-05
GB2117130B (en)	1985-09-11

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Legal Events

Date	Code	Title	Description
1991-11-29	PL	Patent ceased
2024-10-31	PL	Patent ceased