Image Quiz: Ophthalmology—A rockfish with a bulging eye

May 11, 2010

You are asked to evaluate a rockfish at a local aquarium that has a bulging left eye. The animal seems to navigate well around obstacles in the fish tank. What is the primary cause of the buphthalmia?

a) Trauma

b) Intraocular neoplasia

c) Presence of air inside the eye

d) Corneal edema