Surgical apparatus and instruments for use in ophthalmic surgery; Ocular implants made of artificial materials; Intraocular lenses; Intraocular prostheses in the nature of lenses for surgical implantation; Holders specially adapted for intraocular lenses; Lenses in the nature of intraocular prosthesis for surgical implantation; Surgical instruments for use in ophthalmic surgery; Surgical apparatus for use in ophthalmic surgery; Optometric instruments for locating the optical center of ophthalmic lenses; Optometric instruments, namely, instruments for measuring the diameter of ophthalmic lenses; Optometric instruments, namely, instruments for locating grooves, engravings and other indicia on ophthalmic lenses; Ophthalmic cameras for medical purposes; Injection instruments without needles for use in ophthalmic surgery; Ophthalmic lasers for surgical and medical use; Pupillometers for measuring pupillary distance; Pupillometers for measuring pupillary reactivity to stimulus; Hand held ophthalmic surgical instruments, namely, aberrometers, topographers, microkeratomes, keratomes, phacoemulsification devices, endoscopes, tonometers and corneal shields; Surgical implants comprised of artificial materials; Medical and surgical knives and cutters for cutting human tissue and organs; Surgical, ophthalmic, and ocular instruments, apparatus, and devices for use in eye surgery; Eye shields and pads for medical or surgical use; Artificial lenses for implantation in the eye; All of the above excluding orthopedic articles for clamping, supporting and surgical purposes