BR9601580A - Lente oftálmica multifocal progressiva - Google Patents

Lente oftálmica multifocal progressiva

Info

Publication number
BR9601580A
BR9601580A BR9601580-2A BR9601580A BR9601580A BR 9601580 A BR9601580 A BR 9601580A BR 9601580 A BR9601580 A BR 9601580A BR 9601580 A BR9601580 A BR 9601580A
Authority
BR
Brazil
Prior art keywords
degrees
vision zone
ophthalmic lens
progressive multifocal
multifocal ophthalmic
Prior art date
Application number
BR9601580-2A
Other languages
English (en)
Inventor
Francoise Ahsbahs
Thierry Baudart
Gilles Le Saux
Original Assignee
Essilor Int
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 Essilor Int filed Critical Essilor Int
Publication of BR9601580A publication Critical patent/BR9601580A/pt

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
    • 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)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)

Abstract

Patente de Invenção de "LENTE OFTáLMICA MULTIFOCAL PROGRESSIVA", provendo um excelente desempenho na região de visão para longe, uma boa largura na região de visão para perto e uma suave progressão na região de visão intermediária entre as mesmas, sendo que a região de visão para longe compreende um setor angular definido por duas linhas que se interceptam no centro geométrico da lente, formando um segmento angular direcionado para cima com um ângulo preferivelmente maior que 145o, em que todos os pontos apresentam um cilindro menor que A/2 dioptrias, sendo que são aplicados limites que controlam a suavidade de progressão na região de visão intermediária e a relativa largura da região de visão para perto.
BR9601580-2A 1995-04-21 1996-04-19 Lente oftálmica multifocal progressiva BR9601580A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9504800A FR2733328B1 (fr) 1995-04-21 1995-04-21 Lentille ophtalmique multifocale progressive

Publications (1)

Publication Number Publication Date
BR9601580A true BR9601580A (pt) 1999-10-13

Family

ID=9478340

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9601580-2A BR9601580A (pt) 1995-04-21 1996-04-19 Lente oftálmica multifocal progressiva

Country Status (11)

Country Link
US (1) US5719658A (pt)
EP (1) EP0738911B1 (pt)
JP (1) JP3486049B2 (pt)
CN (1) CN1083990C (pt)
AT (1) ATE207210T1 (pt)
AU (1) AU700135B2 (pt)
BR (1) BR9601580A (pt)
CA (1) CA2174398C (pt)
DE (1) DE69615900T2 (pt)
ES (1) ES2165479T3 (pt)
FR (1) FR2733328B1 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2769998B1 (fr) * 1997-10-16 1999-12-31 Essilor Int Lentille ophtalmique multifocale
FR2770000B1 (fr) * 1997-10-16 1999-12-31 Essilor Int Lentille ophtalmique multifocale
FR2769997B1 (fr) * 1997-10-16 1999-12-31 Essilor Int Lentille ophtalmique multifocale
FR2769999B1 (fr) * 1997-10-16 1999-12-31 Essilor Int Lentille ophtalmique multifocale
US6540354B2 (en) 1997-10-16 2003-04-01 Essilor International Multifocal ophthalmic lens
US6102544A (en) * 1997-10-16 2000-08-15 Essilor International Multifocal ophthalmic lens
FR2754916B1 (fr) * 1997-10-20 1999-07-16 Nikon Corp Verre multifocal progressif
JP3605281B2 (ja) 1998-03-18 2004-12-22 ペンタックス株式会社 累進多焦点レンズ
EP0994375B1 (en) 1998-10-16 2006-12-27 Essilor International Method of making a pair of multifocal progressive spectacle lenses
US6793340B1 (en) 1999-10-01 2004-09-21 Sola International Holdings, Ltd. Progressive lens
BR9917280B1 (pt) * 1999-12-22 2012-09-18 processo para produzir um par de lentes corretivas progressivas multifocais e um par de lentes corretivas progressivas multifocais.
FR2809193B1 (fr) * 2000-05-16 2002-08-09 Essilor Int Lentille ophtalmique multifocale progressive a variation de puissance rapide
ES2300337T3 (es) * 2000-04-25 2008-06-16 Rodenstock Gmbh Cristal de gafas progresivo con escaso efecto de balanceo.
FR2820516B1 (fr) * 2001-02-02 2003-05-16 Essilor Int Lentille ophtalmique multifocale progressive a variation de puissance rapide
FR2820515B1 (fr) 2001-02-02 2003-05-16 Essilor Int Lentille ophtalmique multifocale progressive a variation de puissance rapide
FR2871248B1 (fr) * 2004-06-03 2006-09-08 Essilor Int Lentille ophtalmique
CN100445806C (zh) * 2004-06-17 2008-12-24 鸿富锦精密工业（深圳）有限公司 眼镜片
CN100445805C (zh) * 2004-11-27 2008-12-24 鸿富锦精密工业（深圳）有限公司 远视眼镜片
DE102005038859A1 (de) * 2005-08-17 2007-03-01 Rodenstock Gmbh Tool zur Berechnung der Performance von Gleitsichtgläsern
FR2946762B1 (fr) * 2009-06-10 2011-07-15 Essilor Int Realisation d'un verre de lunettes progressif personnalise en fonction d'une perception de flou
WO2014013072A1 (en) * 2012-07-20 2014-01-23 Essilor International (Compagnie Générale d'Optique) Method for processing an unfinished optical lens member for manufacture of an optical lens
CN102768414B (zh) * 2012-07-30 2013-09-25 上海理工大学 一种新型多光轴渐进多焦点镜片设计方法
US11092823B2 (en) 2017-09-18 2021-08-17 Indizen Optical Technologies of America, LLC Ophthalmic lens design incorporating a visual acuity profile
CN111290129B (zh) * 2020-03-31 2021-08-27 歌尔股份有限公司 瞳距调节装置及头戴设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2683642B1 (fr) * 1991-11-12 1994-01-14 Essilor Internal Cie Gle Optique Lentille ophtalmique multifocale progressive.
FR2699294B1 (fr) * 1992-12-11 1995-02-10 Essilor Int Lentille ophtalmique multifocale progressive.
EP0632308A1 (en) * 1993-06-29 1995-01-04 Nikon Corporation Progressive power lens

Also Published As

Publication number Publication date
JP3486049B2 (ja) 2004-01-13
ATE207210T1 (de) 2001-11-15
DE69615900D1 (de) 2001-11-22
DE69615900T2 (de) 2002-04-25
AU700135B2 (en) 1998-12-24
AU5068996A (en) 1996-10-31
CN1083990C (zh) 2002-05-01
EP0738911A1 (fr) 1996-10-23
FR2733328A1 (fr) 1996-10-25
JPH08338968A (ja) 1996-12-24
US5719658A (en) 1998-02-17
CN1160859A (zh) 1997-10-01
EP0738911B1 (fr) 2001-10-17
ES2165479T3 (es) 2002-03-16
CA2174398A1 (en) 1996-10-22
FR2733328B1 (fr) 1997-06-13
CA2174398C (en) 2005-02-01

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 19/04/2016