The cornea or the lens?
Koch
Douglas D
DD
D003315:Cornea / Q000601:surgery*; D006801:Humans; D019654:Lens Implantation, Intraocular / Q000379:methods*; D007908:Lens, Crystalline / Q000601:surgery*; D007910:Lenses, Intraocular; D054140:Refractive Surgical Procedures