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WO1997026843B1 - Lentilles correctrices a plusieurs foyers - Google Patents

Lentilles correctrices a plusieurs foyers

Info

Publication number
WO1997026843B1
WO1997026843B1 PCT/US1997/000929 US9700929W WO9726843B1 WO 1997026843 B1 WO1997026843 B1 WO 1997026843B1 US 9700929 W US9700929 W US 9700929W WO 9726843 B1 WO9726843 B1 WO 9726843B1
Authority
WO
WIPO (PCT)
Prior art keywords
vision correction
zone
power
correction power
ophthalmic lens
Prior art date
Application number
PCT/US1997/000929
Other languages
English (en)
Other versions
WO1997026843A1 (fr
Filing date
Publication date
Priority claimed from US08/592,752 external-priority patent/US5702440A/en
Application filed filed Critical
Priority to EP97903877A priority Critical patent/EP0883385B1/fr
Priority to DE69720696T priority patent/DE69720696T2/de
Priority to JP9526947A priority patent/JP2000509289A/ja
Publication of WO1997026843A1 publication Critical patent/WO1997026843A1/fr
Publication of WO1997026843B1 publication Critical patent/WO1997026843B1/fr

Links

Abstract

L'invention porte sur une lentille correctrice à plusieurs foyers comportant des zones annulaires extérieures dont le pouvoir correcteur est inférieur à celui correspondant au pouvoir de correction de la vision de loin du patient. Lesdites zones annulaires additionnelles n'entrent en action que lorsque la taille de la pupille augmente dans des conditions de faible éclairage pour compenser les zones additionnelles de vision proche dues à l'agrandissement de la pupille. L'effet résultant des zones annulaires additionnelles de vision proche et des zones annulaires additionnelles dont le pouvoir correcteur est inférieur à celui correspondant à la vision de loin est de décaler l'image de meilleure qualité de sa position devant la rétine, vers une position sur la rétine, ce qui réduit l'effet de halo et améliore le contraste.
PCT/US1997/000929 1996-01-26 1997-01-22 Lentilles correctrices a plusieurs foyers WO1997026843A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP97903877A EP0883385B1 (fr) 1996-01-26 1997-01-22 Lentilles correctrices a plusieurs foyers
DE69720696T DE69720696T2 (de) 1996-01-26 1997-01-22 Multifokale augenlinse
JP9526947A JP2000509289A (ja) 1996-01-26 1997-01-22 眼用多重焦点レンズ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/592,752 US5702440A (en) 1996-01-26 1996-01-26 Multifocal ophthalmic lens for dim-lighting conditions
US08/592,752 1996-01-26

Publications (2)

Publication Number Publication Date
WO1997026843A1 WO1997026843A1 (fr) 1997-07-31
WO1997026843B1 true WO1997026843B1 (fr) 1997-08-28

Family

ID=24371930

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/000929 WO1997026843A1 (fr) 1996-01-26 1997-01-22 Lentilles correctrices a plusieurs foyers

Country Status (5)

Country Link
US (4) US5702440A (fr)
EP (1) EP0883385B1 (fr)
JP (1) JP2000509289A (fr)
DE (1) DE69720696T2 (fr)
WO (1) WO1997026843A1 (fr)

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