Cables, electric; Contact lenses; Containers for contact lenses; Eye glasses; Eyeglass frames; Galvanic cells; Magnifying glasses; Optical glasses; Optical lamps; Optical lenses; Periscopes; Pince-nez; Spectacle cases; Spectacle frames; Spectacle lenses; Sunglasses; Telescopes; Weighing machines; Electrical plugs and sockets; Safety goggles