FR1299573A - Multifocal lens enhancements - Google Patents

Multifocal lens enhancements

Info

Publication number
FR1299573A
FR1299573A FR863286A FR863286A FR1299573A FR 1299573 A FR1299573 A FR 1299573A FR 863286 A FR863286 A FR 863286A FR 863286 A FR863286 A FR 863286A FR 1299573 A FR1299573 A FR 1299573A
Authority
FR
France
Prior art keywords
enhancements
multifocal lens
multifocal
lens
lens enhancements
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
FR863286A
Other languages
French (fr)
Inventor
Georges Lissac
Abel Chaduteau
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 filed Critical
Priority to FR863286A priority Critical patent/FR1299573A/en
Priority to BE617672A priority patent/BE617672A/en
Priority to DE1962L0032087 priority patent/DE1913500U/en
Priority to GB1990962A priority patent/GB951524A/en
Application granted granted Critical
Publication of FR1299573A publication Critical patent/FR1299573A/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
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
FR863286A 1961-05-30 1961-05-30 Multifocal lens enhancements Expired FR1299573A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR863286A FR1299573A (en) 1961-05-30 1961-05-30 Multifocal lens enhancements
BE617672A BE617672A (en) 1961-05-30 1962-05-15 Multifocal lens enhancements
DE1962L0032087 DE1913500U (en) 1961-05-30 1962-05-22 MULTI-FOCUS LENS.
GB1990962A GB951524A (en) 1961-05-30 1962-05-23 Improvements in or relating to multifocal spectacle lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863286A FR1299573A (en) 1961-05-30 1961-05-30 Multifocal lens enhancements

Publications (1)

Publication Number Publication Date
FR1299573A true FR1299573A (en) 1962-07-27

Family

ID=8756145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863286A Expired FR1299573A (en) 1961-05-30 1961-05-30 Multifocal lens enhancements

Country Status (4)

Country Link
BE (1) BE617672A (en)
DE (1) DE1913500U (en)
FR (1) FR1299573A (en)
GB (1) GB951524A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547049A (en) * 1981-03-09 1985-10-15 C & H Contact Lens Inc. Composite ophthalmic lens system
WO1987002477A1 (en) * 1985-10-11 1987-04-23 C & H Contact Lens, Inc. Composite ophthalmic lens system
US7559649B2 (en) 2005-01-12 2009-07-14 Dakota Sciences, LLC Corneal-scleral orthokeratology contact lens
US8632187B1 (en) 2009-04-27 2014-01-21 Dakota Sciences, Inc. Progressive multifocal rigid gas permeable contact lens

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573777A (en) * 1984-03-08 1986-03-04 Bristol Alexander C Aspheric spectacle lens blank
GB9600929D0 (en) * 1996-01-17 1996-03-20 Hopkins David Improvements in optical devices
DE10311619B4 (en) * 2003-03-17 2005-03-31 Maximilian Geith Method and apparatus for making golf sports glasses and golf goggles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547049A (en) * 1981-03-09 1985-10-15 C & H Contact Lens Inc. Composite ophthalmic lens system
WO1987002477A1 (en) * 1985-10-11 1987-04-23 C & H Contact Lens, Inc. Composite ophthalmic lens system
US7559649B2 (en) 2005-01-12 2009-07-14 Dakota Sciences, LLC Corneal-scleral orthokeratology contact lens
US8118426B2 (en) 2005-01-12 2012-02-21 Dakota Sciences, LLC Corneal-sclera orthokeratology lens with asymetric blends
US8632187B1 (en) 2009-04-27 2014-01-21 Dakota Sciences, Inc. Progressive multifocal rigid gas permeable contact lens

Also Published As

Publication number Publication date
DE1913500U (en) 1965-04-08
BE617672A (en) 1962-08-31
GB951524A (en) 1964-03-04

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