Fig. 2From: Ultra-wide field imaging to assess the optic nerve and retina in Boston type I and II keratoprosthesis patientsPatient with a history of ocular cicatricial pemphigoid, glaucoma, and a Boston type II Kpro. a External photography demonstrating type II Kpro. b Ultra-wide field imaging of the posterior segment demonstrating an optic nerve without signs of edema or pallor and no evidence of retinal disease in the available viewBack to article page