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IT8367228A0 - TAKING INTO ACCOUNT THE CONVERGENCE OF THE EYES' VARIABLE POWER OPHTHALMIC LENS IN A PROGRESSIVELY DETERMINED MANNER - Google Patents

TAKING INTO ACCOUNT THE CONVERGENCE OF THE EYES' VARIABLE POWER OPHTHALMIC LENS IN A PROGRESSIVELY DETERMINED MANNER

Info

Publication number
IT8367228A0
IT8367228A0 IT8367228A IT6722883A IT8367228A0 IT 8367228 A0 IT8367228 A0 IT 8367228A0 IT 8367228 A IT8367228 A IT 8367228A IT 6722883 A IT6722883 A IT 6722883A IT 8367228 A0 IT8367228 A0 IT 8367228A0
Authority
IT
Italy
Prior art keywords
convergence
eyes
account
taking
ophthalmic lens
Prior art date
Application number
IT8367228A
Other languages
Italian (it)
Other versions
IT1158813B (en
Inventor
Akira Kitani
Original Assignee
Hoya 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 Hoya Lens Corp filed Critical Hoya Lens Corp
Publication of IT8367228A0 publication Critical patent/IT8367228A0/en
Application granted granted Critical
Publication of IT1158813B publication Critical patent/IT1158813B/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

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)
IT67228/83A 1982-11-12 1983-02-28 OPHTHALMIC LENS WITH VARIABLE POWER IN A PROGRESSIVE DETERMINED TAKING INTO ACCOUNT OF THE CONVERGENCE OF THE EYES IT1158813B (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 (2)

Publication Number Publication Date
IT8367228A0 true IT8367228A0 (en) 1983-02-28
IT1158813B IT1158813B (en) 1987-02-25

Family

ID=16394443

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67228/83A IT1158813B (en) 1982-11-12 1983-02-28 OPHTHALMIC LENS WITH VARIABLE POWER IN A PROGRESSIVE DETERMINED TAKING INTO ACCOUNT OF THE CONVERGENCE OF THE EYES

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
CN106796359B (en) 2014-03-31 2019-08-13 豪雅镜片泰国有限公司 The design method and manufacturing method and progressive refractive power glasses lens manufacture system of progressive refractive power glasses lens
US10261340B2 (en) 2014-04-03 2019-04-16 Essilor International Method for producing a customized progressive 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
JPS5988718A (en) 1984-05-22
BE896041A (en) 1983-06-16
DE3307009A1 (en) 1984-05-17
GB2130391B (en) 1986-11-26
SE8301087L (en) 1984-05-13
IT1158813B (en) 1987-02-25
JPS6247284B2 (en) 1987-10-07
GB2130391A (en) 1984-05-31
GB8305240D0 (en) 1983-03-30
NL184389B (en) 1989-02-01
FR2536180A1 (en) 1984-05-18
FR2536180B1 (en) 1985-04-05
NL8300742A (en) 1984-06-01
SE8301087D0 (en) 1983-02-28
NL184389C (en) 1989-07-03

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990226