G - Physics – 02 – C
Patent
G - Physics
02
C
G02C 7/06 (2006.01)
Patent
CA 2695121
Pairs of multifocal contact lenses are described. Each contact lens of the pair includes a central area that provides substantially all of the distance vision correction of the lens, and an annular area surrounding the central area and providing inter-mediate vision correction and near vision correction. A pair of contact lenses can be used to correct a person's vision, especially presbyopia of an emerging presbyopic patient. Methods of producing the present pairs of contact lenses are also described.
L'invention porte sur des paires de lentilles de contact multifocales. Chaque lentille de contact de la paire comprend une zone centrale qui fournit sensiblement la totalité de la correction de la vision éloignée de la lentille, et une zone annulaire entourant la zone centrale et fournissant une correction de la vision intermédiaire et une correction de la vision rapprochée. Une paire de lentilles de contact peut être utilisée pour corriger la vision d'une personne, notamment la presbytie d'un patient nouvellement presbyte. L'invention porte également sur des procédés de fabrication des présentes paires de lentilles de contact.
Donahue Leslie
Iravani Nikoo
Shone Thomas R.
Borden Ladner Gervais Llp
Coopervision International Holding Company Lp
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