52788 ⎘
Producing optical elements, e.g. lenses or prisms; Production of simple or compound lenses; Moulds for lenses with means to engage flash, e.g. HEMA ring and removing the flash or HEMA ring
Method of separating excess lens forming material from a molded ophthalmic lens, in particular a contact lens
#2Method of removing excess lens forming material from a molded ophthalmic lens such as a contact lens
#3Method of separating excess lens forming material from a molded ophthalmic lens, in particular a contact lens
#4Method for separating excess material from a lens mold