Pterygium

[(p)tә'ridʒiәm]

Definition

(noun.) either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula.

Editor: Samantha--From WordNet

Definition

(n.) A superficial growth of vascular tissue radiating in a fanlike manner from the cornea over the surface of the eye.

Edited by Denny