The patient had had a left orbital exenternation for sebaceous cell carcinoma and fitted with a  prosthesis. Nowadays the prosthesis are of excellent quality and may be mistaken for a real eye  especially if the patient had glasses on. Always suspect an artificial eye or prosthesis if : the two eyes do not move together (however in patients with pegging the two eyes may move almost normally) asymmetrical blinking absent of pupillary reflex Return