Fig. 1. Megalocornea. A. The corneal diameter measures 15 mm. The remainder of the eye is normal. B. Megaloglobus consists of an enlarged cornea and globe. C. Megalocornea in the brother of the patient shown in A (a third brother also had megalocornea). The corneal diameter measures 16 mm. D. The crystalline lens is dislocated, and chronic open angle glaucoma is present. (Courtesy of SEI Photoarchives.)