FR2781890B1 - Procede de conception d'une surface optique courbe - Google Patents

Procede de conception d'une surface optique courbe

Info

Publication number
FR2781890B1
FR2781890B1 FR9909942A FR9909942A FR2781890B1 FR 2781890 B1 FR2781890 B1 FR 2781890B1 FR 9909942 A FR9909942 A FR 9909942A FR 9909942 A FR9909942 A FR 9909942A FR 2781890 B1 FR2781890 B1 FR 2781890B1
Authority
FR
France
Prior art keywords
designing
optical surface
curved optical
curved
optical
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 - Fee Related
Application number
FR9909942A
Other languages
English (en)
Other versions
FR2781890A1 (fr
Inventor
Moriyasu Shirayanagi
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2781890A1 publication Critical patent/FR2781890A1/fr
Application granted granted Critical
Publication of FR2781890B1 publication Critical patent/FR2781890B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02C7/024—Methods of designing ophthalmic lenses
    • G02C7/028—Special mathematical design techniques
    • 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
FR9909942A 1998-07-30 1999-07-30 Procede de conception d'une surface optique courbe Expired - Fee Related FR2781890B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21624498 1998-07-30

Publications (2)

Publication Number Publication Date
FR2781890A1 FR2781890A1 (fr) 2000-02-04
FR2781890B1 true FR2781890B1 (fr) 2001-05-04

Family

ID=16685542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9909942A Expired - Fee Related FR2781890B1 (fr) 1998-07-30 1999-07-30 Procede de conception d'une surface optique courbe

Country Status (3)

Country Link
US (1) US6366823B1 (fr)
DE (1) DE19936065A1 (fr)
FR (1) FR2781890B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6655803B1 (en) * 2000-06-01 2003-12-02 Inray Ltd. Wavefront method for designing optical elements
US7318642B2 (en) * 2001-04-10 2008-01-15 Essilor International (Compagnie Générale d'Optique) Progressive addition lenses with reduced unwanted astigmatism
US6554427B1 (en) * 2001-12-11 2003-04-29 Johnson & Johnson Vision Care, Inc. Methods for designing contact lenses
US6843563B2 (en) 2002-07-31 2005-01-18 Bausch And Lomb, Inc. Smoothly blended optical surfaces
US7125131B2 (en) * 2002-12-06 2006-10-24 General Electric Company Brightness enhancement film with improved view angle
JP4225205B2 (ja) * 2004-01-19 2009-02-18 セイコーエプソン株式会社 設計データの生成システム、設計データの生成方法、記録媒体及びプログラム
WO2006120750A1 (fr) * 2005-05-13 2006-11-16 Akira Yabe Procédé de conception de système optique utilisant un nombre superficiel à valeur de nombre réel
DE102005038859A1 (de) 2005-08-17 2007-03-01 Rodenstock Gmbh Tool zur Berechnung der Performance von Gleitsichtgläsern
DE102008015189A1 (de) * 2008-03-20 2009-10-01 Rodenstock Gmbh Umskalierung des Sollastigmatismus für andere Additionen
US8495482B2 (en) 2008-05-19 2013-07-23 Zac Inc., Llc Methods, systems, and computer readable media for automatically and securely citing and transferring electronically formatted information and for maintaining association between the cited or transferred information and back-end information

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950082A (en) 1973-01-10 1976-04-13 David Volk Ophthalmic lens for presbyopia and aphakia
DE2610913A1 (de) 1976-03-16 1977-09-22 David Volk Optische korrekturlinse fuer mangelndes oder fehlendes akkomodationsvermoegen des auges
JPS55146412A (en) 1979-05-01 1980-11-14 Seiko Epson Corp Spectacle lens
JPS57210320A (en) 1981-06-19 1982-12-23 Hoya Corp Progressive focus lens
DE3433916C2 (de) 1984-09-15 1986-10-16 Optische Werke G. Rodenstock, 8000 München Brillenglas für eine Halbbrille
JPH0680447B2 (ja) 1985-05-01 1994-10-12 株式会社トプコン 累進多焦点眼鏡レンズ
US4838675A (en) * 1987-06-19 1989-06-13 Sola International Holdings, Ltd. Method for improving progressive lens designs and resulting article
JPH0246418A (ja) 1988-08-06 1990-02-15 Sankyo Seiki Mfg Co Ltd 光走査装置
WO1996011421A1 (fr) 1994-10-06 1996-04-18 Seiko Epson Corporation Verres optiques a courbure progressive multifoyer et leur procede de fabrication
EP0891574B1 (fr) * 1996-04-04 2007-07-18 Carl Zeiss Vision Australia Holdings Ltd. lentilles progressives et procedes de fabrication et d'utilisation desdites lentilles
AUPO903197A0 (en) * 1997-09-09 1997-10-02 Sola International Holdings Ltd Improved progressive lens
EP1004918A4 (fr) * 1998-06-12 2009-04-29 Seiko Epson Corp Verre a puissance de refraction progressive
US6302540B1 (en) * 1999-03-04 2001-10-16 Shamir Optical Industries Method for the design of multifocal optical elements

Also Published As

Publication number Publication date
FR2781890A1 (fr) 2000-02-04
US6366823B1 (en) 2002-04-02
DE19936065A1 (de) 2000-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100331