The<unk>  was a tool used to make corneal incisions in cataract surgery. Use of the<unk>  demanded a high level of skill and mastery, and was eventually supplanted by modifications of cataract surgery through the Kelman phacoemulsification technique that emphasized a small incision.
Von Graefe knife
Paper cut
Seasilver
Pill organizer
Liston knife
Cyberknife
Vascular snare
Microlife