IT8148143A0 - Perfezionamento nelle lenti oftalmiche per correzione di presbiopia con potere ottico progressivo - Google Patents

Perfezionamento nelle lenti oftalmiche per correzione di presbiopia con potere ottico progressivo

Info

Publication number
IT8148143A0
IT8148143A0 IT8148143A IT4814381A IT8148143A0 IT 8148143 A0 IT8148143 A0 IT 8148143A0 IT 8148143 A IT8148143 A IT 8148143A IT 4814381 A IT4814381 A IT 4814381A IT 8148143 A0 IT8148143 A0 IT 8148143A0
Authority
IT
Italy
Prior art keywords
improvement
optical power
ophthalmic lenses
progressive optical
presbyopia correction
Prior art date
Application number
IT8148143A
Other languages
English (en)
Inventor
John T Winthrop
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 IT8148143A0 publication Critical patent/IT8148143A0/it

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
IT8148143A 1981-02-09 1981-03-30 Perfezionamento nelle lenti oftalmiche per correzione di presbiopia con potere ottico progressivo IT8148143A0 (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT8148143A0 true IT8148143A0 (it) 1981-03-30

Family

ID=22874431

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8148143A IT8148143A0 (it) 1981-02-09 1981-03-30 Perfezionamento nelle lenti oftalmiche per correzione di presbiopia con potere ottico progressivo

Country Status (12)

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

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
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 (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
KR100947521B1 (ko) * 2002-05-31 2010-03-12 크로스보우즈 옵티컬 리미티드 누진 다초점 굴절력 렌즈
JP2011070234A (ja) * 2005-08-22 2011-04-07 Seiko Epson Corp 累進屈折力レンズ
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
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 (it) * 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
NL189879B (nl) 1993-03-16
AU6855181A (en) 1982-08-26
SE451772B (sv) 1987-10-26
SE8101437L (sv) 1982-08-10
NL8101311A (nl) 1982-09-01
JPS57139718A (en) 1982-08-28
FR2499725A1 (fr) 1982-08-13
NL189879C (nl) 1993-08-16
MX153400A (es) 1986-10-07
AU532218B2 (en) 1983-09-22
IE50992B1 (en) 1986-09-03
IE810553L (en) 1982-08-09
BR8101927A (pt) 1983-06-07
GB2092772A (en) 1982-08-18
GB2092772B (en) 1985-06-19
CA1153228A (en) 1983-09-06
CH641572A5 (fr) 1984-02-29
JPH0147767B2 (it) 1989-10-16
FR2499725B1 (fr) 1985-07-05

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