Patent ID: 7776238

Claim:
A method for removing unreacted components and diluents from an ophthalmic lens comprising silicone, the method comprising: exposing an ophthalmic lens formed from a single volume of reactive mixture comprising a high molecular weight hydrophilic polymer, a hydroxyl-functionalized silicone containing monomer and hydrophilic monomers to a first aqueous solution comprising about 5% or more of a first leaching agent comprising one or more of: C 12-14 fatty alcohol ethoxylated with 10 ethylene oxides: polyoxyethylene-2-ethyl hexyl ether; and sodium dodecyl sulfate; and wherein the first aqueous solution additionally comprises 5% or more of a second leaching agent comprising a blend of water, cocoamidopropylamine oxide and glycerin; heating said first aqueous solution to which the ophthalmic lens is exposed; and rinsing said ophthalmic lens through contact with a second aqueous solution until said lens comprises a level of unreacted components and diluents that is below a predetermined threshold.