A micrometer knife.
D002387:Cataract Extraction / Q000295:instrumentation*; D003315:Cornea / Q000601:surgery; D016039:Corneal Transplantation; D006801:Humans; D008866:Microsurgery; D009885:Ophthalmology / Q000295:instrumentation*; D012163:Retinal Detachment / Q000601:surgery*; D012590:Sclera / Q000601:surgery; D013525:Surgical Instruments