Patent ID: 7717557

Claim:
An eyeglass lens system comprising: (a) an eyeglass lens; (b) a first coating bonded to said lens, said first coating comprising SiO 2 ; (c) a second coating bonded to said lens, said second coating comprising a material selected from the group consisting of Al 2 O 3 , Eu 2 O 3 , HfO 2 , MgO, MoO 3 , La 2 O 3 , Nd 2 O 3 , PbO, Pr 6 O 11 , SiO 2 , Sm 2 O 3 , WO 3 , and Y 2 O 3 ; (d) wherein said first coating and said second coating do not impart a color to said lens.