Contact lenses; Containers for contact lenses; Correcting lenses (optics); Correction lenses; Corrective lenses; Corrective lenses for eye protection wear for sports; Eyeglass lenses; Eyeglasses having double gradient filtering lenses; Eyeglasses having filtering lenses; Eyeglasses having ground lenses; Eyeglasses having heat tempered lenses; Eyeglasses having smoked lenses; Finished lenses for spectacles; Flexible contact lenses; Glass ophthalmic lenses; Hydrophilic soft contact lenses; Interchangeable lenses; Lens blanks for use in ophthalmic lenses; Lens blanks for use in optical lenses; Lenses for eyeglasses; Lenses for glasses; Lenses for lamps; Lenses for protective masks for workmen; Lenses for safety goggles; Lenses for sunglasses; Optical lenses; Optical lenses for use with spectacles; Optical lenses for use with sunglasses; Plastic lenses; Polycarbonate ophthalmic lenses; Replacement lenses; Spectacle lenses; Devices in the nature of spectacles for displaying televised images; Devices in the nature of spectacles for viewing recorded video images; Devices in the nature of spectacles for viewing televised images; 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); Straps for spectacles; Sun spectacles; Sunglasses; Sunglasses being optical apparatus; Sunglasses being optically corrected; Sunglasses being tinted

Grinding of lenses; Preparation (grinding) of eyeglass, spectacle and contact lenses