9 Optical and measuring apparatus and instruments, namely, thickness measuring apparatus, altimeters, measuring glasses, spherometers, measuring rods for measuring the pupil distance, pupillometers, meters for determining the crest refraction power; galvanising apparatus; spectacles, sunglasses, goggles for sports, swimming goggles, diving masks; spectacle frames and parts therefor, namely, sides, side ends, hinges, closing blocks, screws, rivets, olives, nuts, discs, spectacle fittings, bridges, bridge supports, nosepads for spectacles, spectacle cords and chains; optical glasses, spectacle cases; contact lenses, containers for contact lenses