Antioxidant contact lens

A silicone hydrogel contact lens having antioxidant properties is described as well as uses of the same. The contact lens can be present in a sealed contact lens package. The contact lens comprises a silicone hydrogel material formed by curing a polymerizable composition comprising a siloxane monome...

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Bibliographische Detailangaben
Hauptverfasser:	Victoria Rogers, Inna Maltseva, Nancy J Keir, Andrew Luk
Format:	Patent
Sprache:	eng
Schlagworte:	CONTACT LENSES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A silicone hydrogel contact lens having antioxidant properties is described as well as uses of the same. The contact lens can be present in a sealed contact lens package. The contact lens comprises a silicone hydrogel material formed by curing a polymerizable composition comprising a siloxane monomer and a hydrophilic vinyl monomer and comprises an amount of vitamin E effective to provide a lipid peroxidation. The contact lens has both an ophthalmically-acceptable surface wettability in the absence of a post curing surface treatment and an advancing contact angle that is no more than 10° greater than a control lens that lacks vitamin E.