Wishful Optical one of the original lens supplier in China, and started with basic cr39 lens and mineral lens. Now it is one of most variety suppliers in China, Wishful Optical has a full stock lens collection of 1.49 1.56 1.591 1.60 1.67 1.74, covers the design of Single Vision, Bifocal and Progressive, all the lenses are made from the most approved material of CR-39, MR-8, MR-7 MR-174 etc.