Simplified double-edge knife.
D002829:Choroid; D016039:Corneal Transplantation / Q000295:instrumentation*; D006801:Humans; D013508:Ophthalmologic Surgical Procedures; D012160:Retina; D012163:Retinal Detachment / Q000601:surgery*; D012590:Sclera / Q000601:surgery*
CORNEAL TRANSPLANTATION/apparatus and instruments; RETINAL DETACHMENT/surgery; SCLERA/surgery