| abstract |
Object of the invention is to provide plastic lenses for spectacles, which absorb UVnrays of up to around 400 nm and are not too much yellowish. n Provided is a method for producing plastic lenses of good UV absorbability fornspectacles, which comprises adding 2-(2-hydroxy-4-octyloxyphenyl)-benzotriazole tona diethylene glycol bisallylcarbonate monomer, a (thio)urethane monomer or annepisulfide monomer, mixing them, and polymerizing the monomer. |