Pterygium is a very common ophthalmic disorder seen by almost every ophthalmologist in daily routine practice. Pterygium is the proliferation of subconjunctival tissue appearing as vascular conjunctival lesion may or may not involve cornea. It is usually benign however epithelium may undergo malignant change or stroma may undergo cystic degeneration exact cause not known.
However, exposure to sun ultraviolet rays radiations familial racial I saw pteria very common in Yemeni nationals types 1 benign malignant 2 fleshy non fleshy 3 progressive non-progressive 4 pseudo and true pterygium one gets psuedo pterygium in vernal keratoconjunctivitis and complicated corneal ulcer. If pterygium is stationary we can wait for no need of surgery however if it is involving visual axis threatening vision 2 causes irritation cosmetic aspect likely to cause astigmatism dysplasia aspect then in these…
