Method for applying a coating onto a silicone hydrogel lens

A - Human Necessities – 61 – L

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A61L 12/04 (2006.01) A61L 27/34 (2006.01) C08J 7/04 (2006.01) C11D 3/00 (2006.01) G02B 1/04 (2006.01) G02B 1/10 (2006.01)

Patent

CA 2667781

The invention provides a cost-effective and in-situ method for applying an LbL coating onto a silicone hydrogel contact lens directly in a lens package. The resultant silicone hydrogel contact lens has a coating with good hydrophilicity, intactness and durability and also can be used directly from the lens package by a patient without washing and/or rising. In addition, the invention provides a packaging solution for in-situ coating of a silicone hydrogel contact lens in a lens package and an ophthalmic lens product.

L'invention propose un procédé rentable et in situ pour appliquer un revêtement de LbL sur une lentille de contact d'hydrogel de silicone directement dans un emballage de lentille. La lentille de contact d'hydrogel de silicone résultante a un revêtement présentant d'excellentes caractéristiques hydrophile, d'intégrité et de durabilité, et elle peut également être utilisée directement à partir de l'emballage de lentille par un patient sans lavage ni rinçage. De plus, l'invention propose une solution d'emballage pour un revêtement in situ d'une lentille de contact d'hydrogel de silicone dans un emballage pour lentille et un produit de lentille ophtalmique.

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