Staphyloma

A bulging of the cornea or sclera. Anterior s., a bul^inK forward ofthe anterior portion of the eye. Posterior s., backward bulging of the posterior pole of the eye

Source: Ophthalmic Dictionary including pronunciation, derivation and definition of the words used in Optometry and Ophthalmology by James J. Lewis, Oph. D. Professor of Optometry in the Northern Illinois College of Ophthalmology and Otology, Chicago.