• PK in Corneal Ulcer and Conj Graft Description: Keratoconus, Ulcer; infection, Perforation, scleral graft, conjuntival graft, got worse, referred to me, performed a PK with excellent result. Submitted by Ignacio J. Manzitti (Argentina) Subspecialty: Cornea / External Disease Level: Advanced Uploaded By: ISRS Multimedia Library