Photochromic pigments

Blanks for ophthalmic lenses; Coated ophthalmic lenses; Coatings for ophthalmic lenses; Correcting lenses (optics); Correction lenses; Corrective lenses; Corrective lenses for eye protection wear for sports; Eyeglasses having filtering lenses; Eyeglasses having ground lenses; Eyeglasses having heat tempered lenses; Finished lenses for spectacles; Finished lenses for sunglasses; Frames for lenses; Lens blanks for use in ophthalmic lenses; Lens blanks for use in optical lenses; Lenses for glasses; Lenses for safety goggles; Lenses for spectacles; Lenses for sunglasses; Ophthalmic lenses; Optical lenses; Optical lenses for use with spectacles; Optical lenses for use with sunglasses; Plastic lenses; Polycarbonate ophthalmic lenses; Semi-finished ophthalmic lenses; Spectacle lenses; Glasses for optical use; Optical frames; Optical glass filters; Optical glasses; Optical goods for personal use; Safety glasses (optical); Shooting glasses (optical); Sight glasses (optical); Sunglasses being optical apparatus; Sunglasses being optically corrected; Polarization filters; Goggles; Goggles for industrial safety; Goggles for sports; Goggles for swimming; Goggles for the protection of the eyes; Goggles for use in sports; Goggles used in sports; Industrial safety goggles; Protective goggles; Safety goggles; Sports glasses (goggles); Sports goggles; Swimming goggles; Optical spectacles; Protective glasses (spectacles); Protective spectacles; Safety spectacles; Spectacles; Spectacles (glasses); Spectacles (optics); Spectacles for sports; Spectacles used in information science; Sport glasses (protective spectacles); Sport glasses (spectacles); Sports glasses (spectacles); Sun spectacles; Spectacle support bands, chains, cords, and straps; Industrial safety glasses; Ophthalmic glasses; Optical filters; Lens blanks; Lens blanks for eyesight correction; Frames for eyeglasses; Frames for glasses; Frames for goggles; Frames for protective glasses; Frames for spectacles; Frames for sunglasses; Glasses frames