Silicone hydrogel lenses with water-rich surfaces

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United States of America Patent

PATENT NO 10513628
APP PUB NO 20190055427A1
SERIAL NO

16166379

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Abstract

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The invention is related to a hydrated silicone hydrogel contact lens having a layered structural configuration: a lower water content silicone hydrogel core (or bulk material) completely covered with a layer of a higher water content hydrogel totally or substantially free of silicone. A hydrated silicone hydrogel contact lens of the invention possesses high oxygen permeability for maintaining the corneal health and a soft, water-rich, lubricious surface for wearing comfort.

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Patent Owner(s)

Patent OwnerAddress
ALCON INCRUE LOUIS-D'AFFRY 6 FRIBOURG 1701

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nelson, Jared Buford, US 29 452
Pruitt, John Dallas Suwanee, US 63 1024
Qiu, Yongxing Suwanee, US 89 2359
Thekveli, Sibichen J Alpharetta, US 10 179
Tucker, Robert Carey Suwanee, US 51 737

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