GB2092772B - Progressive power ophthalmic lenses - Google Patents

Progressive power ophthalmic lenses

Info

Publication number
GB2092772B
GB2092772B GB8106861A GB8106861A GB2092772B GB 2092772 B GB2092772 B GB 2092772B GB 8106861 A GB8106861 A GB 8106861A GB 8106861 A GB8106861 A GB 8106861A GB 2092772 B GB2092772 B GB 2092772B
Authority
GB
United Kingdom
Prior art keywords
ophthalmic lenses
progressive power
power ophthalmic
progressive
lenses
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
GB8106861A
Other versions
GB2092772A (en
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
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
Publication of GB2092772A publication Critical patent/GB2092772A/en
Application granted granted Critical
Publication of GB2092772B publication Critical patent/GB2092772B/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)
GB8106861A 1981-02-09 1981-03-04 Progressive power ophthalmic lenses Expired GB2092772B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23275581A 1981-02-09 1981-02-09

Publications (2)

Publication Number Publication Date
GB2092772A GB2092772A (en) 1982-08-18
GB2092772B true GB2092772B (en) 1985-06-19

Family

ID=22874431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8106861A Expired GB2092772B (en) 1981-02-09 1981-03-04 Progressive power ophthalmic lenses

Country Status (12)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151128A (en) * 1983-02-17 1984-08-29 Hoya Corp Progressive multifocus spectacle lens
US4676610A (en) * 1983-07-22 1987-06-30 Sola International Holdings Ltd. Method of making progressive lens surface and resulting article
US4861153A (en) * 1986-12-19 1989-08-29 American Optical Corporation Progressive addition spectacle lens
US5123725A (en) * 1986-12-19 1992-06-23 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 (en) * 1987-07-07 1989-10-27 Essilor Int MULTIFOCAL OPHTHALMIC LENS
JP2756670B2 (en) * 1987-11-30 1998-05-25 旭光学工業株式会社 Progressive multifocal spectacle lens
US5285222A (en) * 1992-11-20 1994-02-08 Gentex Optics, Inc. Progressive lens series
FR2704327B1 (en) * 1993-04-23 1995-06-23 Essilor Int Pair of progressive multifocal ophthalmic lenses.
US5812237A (en) * 1995-11-27 1998-09-22 Roddy; Kenneth C. Ophthalmic no-line progressive addition lenses
KR100947521B1 (en) * 2002-05-31 2010-03-12 크로스보우즈 옵티컬 리미티드 Progressive addition power lens
JP2011070234A (en) * 2005-08-22 2011-04-07 Seiko Epson Corp Progressive-power lens
JP4973027B2 (en) 2005-08-22 2012-07-11 セイコーエプソン株式会社 Progressive power lens
JP4559515B2 (en) * 2008-12-03 2010-10-06 クロスボウズ オプティカル リミテッド Progressive power lens

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 (en) * 1969-09-11 1971-02-15 Lunetiers PROGRESSIVE FOCAL POWER LENSES
NL7107504A (en) * 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 (en) * 1978-04-06 1982-01-07 Optische Werke G. Rodenstock, 8000 München Spectacle lens with a progression area located between the far part and the near part

Also Published As

Publication number Publication date
NL189879B (en) 1993-03-16
AU6855181A (en) 1982-08-26
SE451772B (en) 1987-10-26
SE8101437L (en) 1982-08-10
NL8101311A (en) 1982-09-01
JPS57139718A (en) 1982-08-28
FR2499725A1 (en) 1982-08-13
NL189879C (en) 1993-08-16
MX153400A (en) 1986-10-07
AU532218B2 (en) 1983-09-22
IE50992B1 (en) 1986-09-03
IE810553L (en) 1982-08-09
BR8101927A (en) 1983-06-07
GB2092772A (en) 1982-08-18
CA1153228A (en) 1983-09-06
IT8148143A0 (en) 1981-03-30
CH641572A5 (en) 1984-02-29
JPH0147767B2 (en) 1989-10-16
FR2499725B1 (en) 1985-07-05

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20010303