Optical apparatus and instruments, including spectacle frames, prescription spectacles, sunglasses, tinted or filtering glasses, protective glasses, eye glasses and parts thereof, particularly sports glasses and sunglasses; frames for glasses; cases for magnifying lenses of glasses, opera glasses, magnifying glasses, spectacle glasses, glass lenses; buoys, life belts, swimming jackets, life saving equipment and saving equipment including fire escapes and safety nets, life-saving rafts, life j...