G - Physics – 02 – C
Patent
G - Physics
02
C
G02C 7/04 (2006.01) A61F 2/16 (2006.01)
Patent
CA 2719510
The invention provides methods for designing contact lenses and contact lenses designed according to the method, which lenses provide an improved method for presbyopia correction compared to conventional lenses and methods. It is a discovery of the invention that improved performance and reduced design time can be obtained by using lens pairs that act synergistically to provide the lens wearer with good binocularity and consistent performance in near, intermediate and distance vision.
L'invention concerne des procédés pour concevoir des lentilles de contact et des lentilles de contact conçues selon le procédé, lesquelles lentilles présentent un procédé amélioré de correction de la presbytie par comparaison à des lentilles et à des procédés classiques. C'est une découverte de l'invention qu'une efficacité améliorée et un temps de conception réduit peuvent être obtenus en utilisant des paires de lentilles qui agissent de manière synergique pour fournir aux porteurs de lentilles une bonne vision binoculaire et une efficacité régulière pour ce qui est de la vision proche, intermédiaire et éloignée.
Clark Ronald
Haywood James W.
Hickson-Curran Sheila B.
Karkkainen Thomas
Neadle Susan W.
Johnson & Johnson Vision Care Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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