A process is disclosed for applying an adherent, optically clear, abrasion resistant coating to plastic ophthalmic substrates such as plastic lenses. The process includes: (a) forming a partially hydrolyzed solution of a vinyltri(lower alkoxy)silane, such as vinyltriethoxysilane, in a water-miscible,...http://www.google.com/patents/US3953115?utm_source=gb-gplus-sharePatent US3953115 - Method for providing an abrasion resistant coating for plastic ophthalmic lenses and the resulting lenses
