2016-08-242016-08-241999-12-28http://hdl.handle.net/10919/72405This invention relates generally to optic devices such as ophthalmic lenses, lens blanks, and lens preforms, made from a thermoplastic material of a specific formula and a process for forming the same.application/pdfen-USOptic devices formed from melt processable thermoplastic materials having a high refractive indexPatenthttp://pimg-fpiw.uspto.gov/fdd/99/082/060/0.pdf8912117351/159.74525/255525/191525/196525/200525/212C08G75/23C08G65/4006C08G65/4068C08L71/00G02B1/0416008299