Optical apparatus and instruments, namely, spectacles and sunglasses; frames, lenses, hinges, temples and cases for spectacles and sunglasses, structural parts therefor; accessories for frames, lenses, hinges, temples and cases for spectacles and sunglasses, namely, eyeglass cords, chains and lens cleaning cloths; eyeshades, binoculars, ski goggles, protective helmets and protective goggles and structural parts therefor; contact lenses and their containers