Surgical apparatus and instruments; medical apparatus and instruments for ophthalmological use; surgical apparatus and instruments for use in ophthalmic surgery; artificial eyes; ophthalmological apparatus and instruments, namely, ophthalmoscopes, instruments for measuring the diameter of ophthalmic lenses; diagnostic instruments for ophthalmology, namely, ophthalmometers; eye shields for medical use, namely, patient x-ray radiation shields for one's eyes; eye testing apparatus; eye protectors for post-surgery eye protection