CA1153228A - Progressive power ophthalmic lenses - Google Patents

Progressive power ophthalmic lenses

Info

Publication number
CA1153228A
CA1153228A CA000372360A CA372360A CA1153228A CA 1153228 A CA1153228 A CA 1153228A CA 000372360 A CA000372360 A CA 000372360A CA 372360 A CA372360 A CA 372360A CA 1153228 A CA1153228 A CA 1153228A
Authority
CA
Canada
Prior art keywords
viewing surface
ophthalmic lens
lens according
boundary
progressive power
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
CA000372360A
Other languages
English (en)
French (fr)
Inventor
John T. Winthrop
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.)
Sola International Inc
Original Assignee
John T. Winthrop
American Optical Corporation
Sola International, Inc.
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 John T. Winthrop, American Optical Corporation, Sola International, Inc. filed Critical John T. Winthrop
Application granted granted Critical
Publication of CA1153228A publication Critical patent/CA1153228A/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
    • 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)
  • Prostheses (AREA)
CA000372360A 1981-02-09 1981-03-05 Progressive power ophthalmic lenses Expired CA1153228A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23275581A 1981-02-09 1981-02-09
US232,755 1981-02-09

Publications (1)

Publication Number Publication Date
CA1153228A true CA1153228A (en) 1983-09-06

Family

ID=22874431

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000372360A Expired CA1153228A (en) 1981-02-09 1981-03-05 Progressive power ophthalmic lenses

Country Status (12)

Country Link
JP (1) JPS57139718A (sv)
AU (1) AU532218B2 (sv)
BR (1) BR8101927A (sv)
CA (1) CA1153228A (sv)
CH (1) CH641572A5 (sv)
FR (1) FR2499725B1 (sv)
GB (1) GB2092772B (sv)
IE (1) IE50992B1 (sv)
IT (1) IT8148143A0 (sv)
MX (1) MX153400A (sv)
NL (1) NL189879C (sv)
SE (1) SE451772B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151128A (ja) * 1983-02-17 1984-08-29 Hoya Corp 累進多焦点眼鏡レンズ
US4676610A (en) * 1983-07-22 1987-06-30 Sola International Holdings Ltd. Method of making progressive lens surface and resulting article
US5123725A (en) * 1986-12-19 1992-06-23 American Optical Corporation Progressive addition spectacle lens
US4861153A (en) * 1986-12-19 1989-08-29 American Optical Corporation Progressive addition spectacle lens
US4838675A (en) * 1987-06-19 1989-06-13 Sola International Holdings, Ltd. Method for improving progressive lens designs and resulting article
FR2617989B1 (fr) * 1987-07-07 1989-10-27 Essilor Int Lentille ophtalmique multifocale
JP2756670B2 (ja) * 1987-11-30 1998-05-25 旭光学工業株式会社 累進多焦点眼鏡レンズ
US5285222A (en) * 1992-11-20 1994-02-08 Gentex Optics, Inc. Progressive lens series
FR2704327B1 (fr) * 1993-04-23 1995-06-23 Essilor Int Paire de lentilles ophtalmiques multifocales progressives.
US5812237A (en) * 1995-11-27 1998-09-22 Roddy; Kenneth C. Ophthalmic no-line progressive addition lenses
EP2372435B1 (en) * 2002-05-31 2016-12-14 Crossbows Optical Limited Progressive addition power lens
JP4973027B2 (ja) 2005-08-22 2012-07-11 セイコーエプソン株式会社 累進屈折力レンズ
JP2011070234A (ja) * 2005-08-22 2011-04-07 Seiko Epson Corp 累進屈折力レンズ
JP4559515B2 (ja) * 2008-12-03 2010-10-06 クロスボウズ オプティカル リミテッド 累進屈折力レンズ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA583087A (en) * 1955-06-04 1959-09-15 J. Davenport Lawrence Variable power lens
BE755907A (fr) * 1969-09-11 1971-02-15 Lunetiers Lentilles a puissance focale progressive
NL7107504A (sv) * 1971-06-01 1972-12-05
US4056311A (en) * 1973-08-16 1977-11-01 American Optical Corporation Progressive power ophthalmic lens having a plurality of viewing zones with non-discontinuous variations therebetween
DE2814916C3 (de) * 1978-04-06 1982-01-07 Optische Werke G. Rodenstock, 8000 München Brillenglas mit einem zwischen Fernteil und Nahteil liegenden Progressionsbereich

Also Published As

Publication number Publication date
FR2499725A1 (fr) 1982-08-13
IT8148143A0 (it) 1981-03-30
GB2092772A (en) 1982-08-18
AU532218B2 (en) 1983-09-22
NL8101311A (nl) 1982-09-01
MX153400A (es) 1986-10-07
NL189879B (nl) 1993-03-16
GB2092772B (en) 1985-06-19
FR2499725B1 (fr) 1985-07-05
AU6855181A (en) 1982-08-26
IE50992B1 (en) 1986-09-03
JPH0147767B2 (sv) 1989-10-16
SE451772B (sv) 1987-10-26
BR8101927A (pt) 1983-06-07
NL189879C (nl) 1993-08-16
IE810553L (en) 1982-08-09
JPS57139718A (en) 1982-08-28
SE8101437L (sv) 1982-08-10
CH641572A5 (fr) 1984-02-29

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Legal Events

Date Code Title Description
MKEX Expiry