2-Hydroxyethyl methacrylate polymer with divinylbenzene, methyl methacrylate and 1-vinyl-2-pyrrolidinone 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with diethenylbenzene, 1-ethenyl-2-pyrrolidinone and methyl 2-methyl-2-propenoate 53626-53-2 Preference Preference Standard Tetrafilcon A Tetrafilcon A [USAN] Vantage Vantage Thin