| abstract |
(57) [Summary] [PROBLEMS] To provide an ophthalmic lens material having high oxygen permeability and high mechanical strength as well as excellent stain resistance. [Structure] Fluorine-containing di (meth) having urethane bond A copolymerization component containing an acrylate (A), a silicon-containing di (meth) acrylate (B) having a urethane bond, and a monomer (C) having an unsaturated double bond copolymerizable therewith is polymerized. Ophthalmic lens material made of a copolymer. |