Tinted lenses and methods of manufacture

Details Tinted lenses and methods of manufacture Tinted lenses and methods of manufacture

G - Physics

02

C

G02C 7/04 (2006.01) B29D 11/00 (2006.01)

Patent

CA 2483379

The present invention recognizes that lenses, such as contact lenses, can be pigmented using ink that include polymers or polymerizable monomers, preferably the same monomers used to make the lens. Preferably, such lenses are made using bonding agents. The ink can be used to make images on or within the lens. Images made using these inks are preferably digital and can be used in a variety of printing methods, including ink-jet printing.

L'invention concerne des lentilles, par exemple des lentilles de contact, que l'on peut pigmenter en utilisant des polymères ou des monomères polymérisables, de préférence les mêmes monomères utilisés pour la fabrication de ces lentilles. De préférence, lors de la fabrication de ces lentilles, on utilise des agents de liaison. On peut utiliser l'encre afin de créer des images sur ou à l'intérieur de la lentille. Les images créées à l'aide de ces encres sont de préférence numériques et peuvent servir dans divers procédés d'impression, notamment l'impression à jet d'encre.

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