Ophthalmometers; Ophthalmoscopes; Tonometers; Lasers for ophthalmic purposes; Massage apparatus for eyes; Ophthalmic cameras for medical purposes; Optometric instruments for locating the optical center of ophthalmic lenses; Optometric instruments, namely, instruments for locating grooves, engravings and other indicia on ophthalmic lenses; Optometric instruments, namely, instruments for measuring the diameter of ophthalmic lenses; Surgical instruments for use in ophthalmic surgery