Electro-active multi-focal spectacle lens

Details Electro-active multi-focal spectacle lens Electro-active multi-focal spectacle lens

G - Physics

02

C

G02C 7/06 (2006.01) A61B 3/04 (2006.01) G02C 7/10 (2006.01) G02F 1/00 (2006.01) G02F 1/29 (2006.01)

Patent

CA 2482695

Electro-active multi-focal spectacles are disclosed. The spectacles have a stack of at least two electro-active regions (5560), (5565) and (5570). The electro-active regions produce a plurality of viewing correction zones. The spectacles also have a controller for independently activating the electro- active regions to produce viewing correction zones. An electro-active multi- focal spectacle having a blending zone is also disclosed. The blending zone provides a transition of optical power between viewing correction zones.

L'invention concerne des verres de lunettes multifocaux électroactifs. Ces verres de lunettes présentent un empilement d'au moins deux régions électroactives (5560), (5565) et (5570). Ces régions électroactives produisent une pluralité de zones de correction de la vue. Lesdits verres de lunettes présentent également un contrôleur permettant d'activer de manière indépendante les régions électroactives afin de produire des zones de correction de la vue. L'invention concerne également un verre de lunettes multifocal électroactif présentant une zone de mouchage. Cette zone de mouchage permet d'obtenir une transition de puissance optique entre des zones de correction de la vue.

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