Pterygium is fibrovascular growth over conjunctiva either nasal or temporal side. It grows over cornea.
It is a fold of conjunctiva, encroaching the cornea,in the horizontal meridian, in the palpebral fissure, either from the nasal or temporal side of the bulbar conjunctiva.
The main cause is degenerative changes in the subconjunctivaltissues.
Friday, 27 January 2017
Pterygium
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