Binoculars; Cameras; Field-glasses; Monoculars; Periscopes; Cases for spectacles, for pince-nez and for contact lenses; Cell phones; Connectors for electronic circuits; Contact lenses; Dust masks; Dust protective goggles and masks; Ear phones; Eye glass cases; Eye glasses; Eyeglass frames; Eyeglass lenses; Lenses for telescopes; Reflecting telescopes; Reflectors for telescopes; Zenith telescopes