BE896041A - PROGRESSIVELY VARIABLE FOCAL POWER OPHTHALMIC LENS DETERMINED TAKING ACCOUNT OF EYE CONVERGENCE - Google Patents

PROGRESSIVELY VARIABLE FOCAL POWER OPHTHALMIC LENS DETERMINED TAKING ACCOUNT OF EYE CONVERGENCE

Info

Publication number
BE896041A
BE896041A BE0/210222A BE210222A BE896041A BE 896041 A BE896041 A BE 896041A BE 0/210222 A BE0/210222 A BE 0/210222A BE 210222 A BE210222 A BE 210222A BE 896041 A BE896041 A BE 896041A
Authority
BE
Belgium
Prior art keywords
ophthalmic lens
focal power
taking account
variable focal
determined taking
Prior art date
Application number
BE0/210222A
Other languages
French (fr)
Original Assignee
Hoyo Lens 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 Hoyo Lens Corp filed Critical Hoyo Lens Corp
Publication of BE896041A publication Critical patent/BE896041A/en

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
BE0/210222A 1982-11-12 1983-02-28 PROGRESSIVELY VARIABLE FOCAL POWER OPHTHALMIC LENS DETERMINED TAKING ACCOUNT OF EYE CONVERGENCE BE896041A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57198633A JPS5988718A (en) 1982-11-12 1982-11-12 Progressive focusing spectacle lens considering vergence of eye

Publications (1)

Publication Number Publication Date
BE896041A true BE896041A (en) 1983-06-16

Family

ID=16394443

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/210222A BE896041A (en) 1982-11-12 1983-02-28 PROGRESSIVELY VARIABLE FOCAL POWER OPHTHALMIC LENS DETERMINED TAKING ACCOUNT OF EYE CONVERGENCE

Country Status (8)

Country Link
JP (1) JPS5988718A (en)
BE (1) BE896041A (en)
DE (1) DE3307009A1 (en)
FR (1) FR2536180A1 (en)
GB (1) GB2130391B (en)
IT (1) IT1158813B (en)
NL (1) NL184389C (en)
SE (1) SE8301087L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2588672B1 (en) * 1985-10-16 1989-01-13 Essilor Int MULTIFOCAL AND PROGRESSIVE OPHTHALMIC LENS
US4838675A (en) * 1987-06-19 1989-06-13 Sola International Holdings, Ltd. Method for improving progressive lens designs and resulting article
JP2573956B2 (en) * 1987-07-31 1997-01-22 ホ−ヤ株式会社 Progressive multifocal lens
FR2683642B1 (en) * 1991-11-12 1994-01-14 Essilor Internal Cie Gle Optique PROGRESSIVE MULTIFOCAL OPHTHALMIC LENS.
FR2683643B1 (en) * 1991-11-12 1994-01-14 Essilor Internal Cie Gle Optique PROGRESSIVE MULTIFOCAL OPHTHALMIC LENS.
FR2699294B1 (en) * 1992-12-11 1995-02-10 Essilor Int Progressive multifocal ophthalmic lens.
FR2874709B1 (en) * 2004-08-27 2006-11-24 Essilor Int METHOD FOR DETERMINING A PAIR OF PROGRESSIVE OPHTHALMIC LENSES
JP6294466B2 (en) 2014-03-31 2018-03-14 ホヤ レンズ タイランド リミテッドＨＯＹＡ Ｌｅｎｓ Ｔｈａｉｌａｎｄ Ｌｔｄ Progressive power lens design method and manufacturing method, and progressive power lens manufacturing system
CN106104363B (en) 2014-04-03 2019-08-30 依视路国际公司 For producing the method for customizing gradual ophthalmic lens

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1509090A (en) * 1966-11-29 1968-01-12 Lunetiers Cottet Poichet Soc D Improvements to ophthalmic lenses with progressively variable focal power
NL168626C (en) * 1973-08-16 1982-04-16 American Optical Corp LENS FOR GLASSES WITH VARIETY OF STRENGTH.
US4274717A (en) * 1979-05-18 1981-06-23 Younger Manufacturing Company Ophthalmic progressive power lens and method of making same
EP0027339A3 (en) * 1979-10-11 1981-05-06 U.K. Wiseman Limited Progressive power ophthalmic lenses
DE3016935C2 (en) * 1980-05-02 1991-01-24 Fa. Carl Zeiss, 7920 Heidenheim Multifocal spectacle lens with partially sliding refractive power
JPS5799613A (en) * 1980-12-12 1982-06-21 Seiko Epson Corp Progressive multifocus lens
JPS57210320A (en) * 1981-06-19 1982-12-23 Hoya Corp Progressive focus lens

Also Published As

Publication number Publication date
DE3307009A1 (en) 1984-05-17
SE8301087L (en) 1984-05-13
NL8300742A (en) 1984-06-01
NL184389B (en) 1989-02-01
FR2536180B1 (en) 1985-04-05
GB2130391A (en) 1984-05-31
SE8301087D0 (en) 1983-02-28
GB8305240D0 (en) 1983-03-30
IT1158813B (en) 1987-02-25
IT8367228A0 (en) 1983-02-28
FR2536180A1 (en) 1984-05-18
GB2130391B (en) 1986-11-26
JPS5988718A (en) 1984-05-22
NL184389C (en) 1989-07-03
JPS6247284B2 (en) 1987-10-07

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: *HOYO LENS CORP.

Effective date: 20030228