METHOD FOR TREATING A CONTACT LENS MOLD

摘要

Disclosed in this specification is a method for treating a contact lens mold surface (300, 304) with ultraviolet light (204) to increase the surface's wettability. Such molds are useful in manufacturing contact lenses by disposing a reaction mixture (104) between a concave frontcurve mold (100) and a convex basecurve mold (102) prior to polymerization. By adjusting the wettability of the convex and concave surfaces, as well as the wettability of the surrounding flange (302), the demolding of the resulting contact lens is better controlled and defects are reduced.