CONTACT LENSES MADE WITH HEMA-COMPATIBLE POLYSILOXANE MACROMERS

摘要

Optically clear silicone hydrogel contact lenses are described that comprise apolymeric lens body that isthe reaction product of a polymerizable composition comprising at least 25wt.% of at least onehydroxyalkyl methacrylate; and at least 20 wt. % of at least one HEMA-compatible bifunctionalpolysiloxane of Formula 1:(see above formula)comprising at least 6 siloxane groups and having an HLB value of at least 5and/or a hydroxyl groupcontent of at least 1 wt.%.