GEN S

Photochromic dyes for use in the manufacture of ophthalmic lenses, lens blanks, contact lenses, contact lens blanks, spectacle lenses, eyeglass lenses, sunglass lenses, optical lenses, eyeglasses, eyeglass frames, sunglasses.

Spectacle lenses; eyeglass lenses; contact lenses; sunglass lenses; optical lenses; ophthalmic lenses; optical lens blanks; contact lens blanks; eyeglasses; eyeglass frames; sunglasses; photochromic eyeglass lenses.