OPTICAL APPARATUS AND INSTRUMENTS, OPHTHALMOMETERS, OPHTHALMOSCOPES, OPTICAL GLASS, OPTICAL LANTERNS, OPTICAL LENSES, SIGHT ADJUSTERS, EYE-GLASSES, EYE-PIECES, EYE-GLASS CASES, EYE-GLASS CHAINS, CONTACT LENSES, CONTACT LENS CASES, LENS CLEANERS, MICROSCOPES, FUNDUS, AND PHOTOGRAPHIC APPARATUS