CA1077315A - Lentille ophtalmique et methode pour correction d'astigmatisme - Google Patents

Lentille ophtalmique et methode pour correction d'astigmatisme

Info

Publication number
CA1077315A
CA1077315A CA271,746A CA271746A CA1077315A CA 1077315 A CA1077315 A CA 1077315A CA 271746 A CA271746 A CA 271746A CA 1077315 A CA1077315 A CA 1077315A
Authority
CA
Canada
Prior art keywords
refractive index
lens
axis
gradation
edge
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
CA271,746A
Other languages
English (en)
Inventor
Donald B. Whitney
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.)
American Optical Corp
Sola International Inc
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.)
Filing date
Publication date
Application filed by American Optical Corp filed Critical American Optical Corp
Application granted granted Critical
Publication of CA1077315A publication Critical patent/CA1077315A/fr
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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/12—Locally varying refractive index, gradient index lenses

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)
  • Lenses (AREA)
CA271,746A 1976-03-22 1977-02-14 Lentille ophtalmique et methode pour correction d'astigmatisme Expired CA1077315A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66901676A 1976-03-22 1976-03-22

Publications (1)

Publication Number Publication Date
CA1077315A true CA1077315A (fr) 1980-05-13

Family

ID=24684681

Family Applications (1)

Application Number Title Priority Date Filing Date
CA271,746A Expired CA1077315A (fr) 1976-03-22 1977-02-14 Lentille ophtalmique et methode pour correction d'astigmatisme

Country Status (4)

Country Link
JP (1) JPS52115242A (fr)
CA (1) CA1077315A (fr)
DE (1) DE2707601A1 (fr)
GB (1) GB1571930A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3616888A1 (de) * 1986-05-20 1987-11-26 Rodenstock Optik G Einstaerken-brillenglas mit einem sich zur optischen achse rotationssymmetrisch aendernden brechungsindex
US5061058A (en) * 1987-07-18 1991-10-29 Optische Werke G. Rodenstock Opthalmic lens for use in the correction of astigmatism
DE3739974A1 (de) * 1987-11-25 1989-06-08 Rodenstock Optik G Progressives brillenglas
FR2630553B1 (fr) * 1988-04-25 1990-08-17 Essilor Int Lentille ophtalmique unifocale a gradient d'indice et de puissance geometrique nulle
FR2630552B1 (fr) * 1988-04-25 1990-08-17 Essilor Int Procede pour la minimisation de l'epaisseur maximale d'une lentille ophtalmique unifocale et lentille ophtalmique unifocale a gradient d'indice obtenue en application de ce procede
DE3901775A1 (de) * 1988-06-22 1990-07-26 Rodenstock Optik G Brillenglas mit einem sich aendernden brechungsindex
DE3821079A1 (de) * 1988-06-22 1989-12-28 Rodenstock Optik G Brillenglas mit einem sich aendernden brechungsindex
DE4107195A1 (de) * 1991-03-15 1992-09-10 Ishida Koki Seisakusho Co Auf kurzen und mittleren abstand aberrationsfreies brillenglas fuer alterssichtigkeit
ATE438880T1 (de) 1999-02-12 2009-08-15 Hoya Corp Brille und ihre herstellung
JP7466137B2 (ja) * 2019-09-26 2024-04-12 学校法人北里研究所 サーバ装置、発注システム、情報提供方法、およびプログラム
WO2022138641A1 (fr) * 2020-12-21 2022-06-30 株式会社ニコン・エシロール Verre de lunettes à foyer unique, procédé de conception de verre de lunettes à foyer unique, procédé de fabrication de verre de lunettes à foyer unique et dispositif de conception de verre de lunettes à foyer unique

Also Published As

Publication number Publication date
DE2707601A1 (de) 1977-10-06
GB1571930A (en) 1980-07-23
JPS52115242A (en) 1977-09-27

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Legal Events

Date Code Title Description
MKEX Expiry