Lens hoods; Optical glasses; Prisms (optics); Anti-glare glasses; Anti-glare filters for televisions and computer monitors; Anti-dazzle spectacles; Lenses for protective masks for workmen; Filters for respiratory masks; Protective masks; Face masks for divers; Goggles for sports; Nose clips for divers and swimmers; Safety goggles; Eyeglasses; Sunglasses