FR2344042A1 - Lentille ophtalmique pour presbytie et aphakie - Google Patents

Lentille ophtalmique pour presbytie et aphakie

Info

Publication number
FR2344042A1
FR2344042A1 FR7606796A FR7606796A FR2344042A1 FR 2344042 A1 FR2344042 A1 FR 2344042A1 FR 7606796 A FR7606796 A FR 7606796A FR 7606796 A FR7606796 A FR 7606796A FR 2344042 A1 FR2344042 A1 FR 2344042A1
Authority
FR
France
Prior art keywords
front surface
zero
principal
curvature
planes
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.)
Granted
Application number
FR7606796A
Other languages
English (en)
Other versions
FR2344042B1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7606796A priority Critical patent/FR2344042A1/fr
Publication of FR2344042A1 publication Critical patent/FR2344042A1/fr
Application granted granted Critical
Publication of FR2344042B1 publication Critical patent/FR2344042B1/fr
Granted 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
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • G02C7/065—Properties on the principal line
    • 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
    • G02C7/061—Spectacle lenses with progressively varying focal 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
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • G02C7/066—Shape, location or size of the viewing zones
    • 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
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/068—Special properties achieved by the combination of the front and back surfaces
FR7606796A 1976-03-10 1976-03-10 Lentille ophtalmique pour presbytie et aphakie Granted FR2344042A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7606796A FR2344042A1 (fr) 1976-03-10 1976-03-10 Lentille ophtalmique pour presbytie et aphakie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7606796A FR2344042A1 (fr) 1976-03-10 1976-03-10 Lentille ophtalmique pour presbytie et aphakie

Publications (2)

Publication Number Publication Date
FR2344042A1 true FR2344042A1 (fr) 1977-10-07
FR2344042B1 FR2344042B1 (fr) 1979-06-01

Family

ID=9170202

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7606796A Granted FR2344042A1 (fr) 1976-03-10 1976-03-10 Lentille ophtalmique pour presbytie et aphakie

Country Status (1)

Country Link
FR (1) FR2344042A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0454554A1 (fr) * 1990-04-25 1991-10-30 ESSILOR INTERNATIONAL Compagnie Générale d'Optique Procédé pour faciliter la réalisation d'une lentille ophtalmique progressive, et lentille(s) ophtalmique(s) progressive(s) correspondante(s)
FR2676551A1 (fr) * 1991-03-15 1992-11-20 Ishida Koki Seisakusho Co Ltd Lentille pour presbytie ne presentant aucune aberration a courte distance ni a distance intermediaire.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583625A (en) * 1946-10-29 1952-01-29 Thomas & Betts Corp Method of and tool for crimping tubes
FR1276554A (fr) * 1959-12-29 1961-11-17 Burndy Corp Pince
DE2311652A1 (de) * 1973-03-09 1974-10-24 Kotthaus Dako Werkzeug Greifzange
FR2237730A1 (fr) * 1973-07-20 1975-02-14 Facom

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583625A (en) * 1946-10-29 1952-01-29 Thomas & Betts Corp Method of and tool for crimping tubes
FR1276554A (fr) * 1959-12-29 1961-11-17 Burndy Corp Pince
DE2311652A1 (de) * 1973-03-09 1974-10-24 Kotthaus Dako Werkzeug Greifzange
FR2237730A1 (fr) * 1973-07-20 1975-02-14 Facom

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0454554A1 (fr) * 1990-04-25 1991-10-30 ESSILOR INTERNATIONAL Compagnie Générale d'Optique Procédé pour faciliter la réalisation d'une lentille ophtalmique progressive, et lentille(s) ophtalmique(s) progressive(s) correspondante(s)
FR2661519A1 (fr) * 1990-04-25 1991-10-31 Essilor Int Procede pour faciliter la realisation d'une lentille ophtalmique progressive, et lentille(s) ophtalmique(s) progressive(s) correspondante(s).
US5235359A (en) * 1990-04-25 1993-08-10 Essilor International Cie Generale D'optique Progressive opthalmic lenses and method of facilitating their manufacture
FR2676551A1 (fr) * 1991-03-15 1992-11-20 Ishida Koki Seisakusho Co Ltd Lentille pour presbytie ne presentant aucune aberration a courte distance ni a distance intermediaire.

Also Published As

Publication number Publication date
FR2344042B1 (fr) 1979-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse