n. thinning of the *stroma of the cornea to such an extent that *Descemet’s membrane is all that is maintaining the integrity of the eyeball. It occurs in severe ulceration of the cornea.
(descemetocele) n. outward bulging of the base of a deep ulcer of the cornea. The deep layer of the cornea (Descemet’s membrane) is elastic and relatively resistant to perforation; it therefore bulges when the overlying cornea has been destroyed.... keratocele
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