Fig. 1From: Biodegradable collagen matrix (Ologen™) implant and conjunctival autograft for scleral necrosis after pterygium excision: two case reportsPreoperative and postoperative slit-lamp photographs of Case 1, the left eye. a Preoperative photography showing large severe scleral thinning and excavation with impending uveal exposure. b First week after surgery. c One month after surgery. d Two years after surgeryBack to article page