Methods for designing multifocal ophthalmic lenses

Details Methods for designing multifocal ophthalmic lenses Methods for designing multifocal ophthalmic lenses

G - Physics

02

C

G02C 7/06 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2456539

The invention provides methods for designing lenses useful for correcting presbyopia, lenses incorporating such designs and methods for producing these lenses. The lenses of the invention exhibit a better distribution of the distance and near vision powers within the multifocal zone and, thus, improved visual acuity and wearer satisfaction.

L'invention porte sur des méthodes de conception de lentilles correctrices de la presbytie. Et sur des lentilles produites au moyen de ces conceptions et méthodes. Lesdites lentilles offrent une meilleure répartition des puissances en vision proche et en vision éloignée à l'intérieur de la zone à foyers multiples ce qui accroît l'acuité visuelle et la satisfaction du porteur.

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