Pterygium

Pterygium
		SYMPTOMS	Irritation \| May affect vision if advanced \| Often asymptomatic
		SIGNS	Injection \| Wing-like fibrovascular tissue extending from the conjunctiva to the cornea - usually at the 3-9 o’clock position \| Iron line (Stocker line)
		WORK-UP	Thorough history. Slit lamp examination
		TREATMENT
			Observation \| UV-blocking sunglasses \| Preservative-free artificial tears for comfort \| Surgical excision may be indicated if vision is affected or excessive astigmatism is induced.
			Topical steroids may be indicated if inflamed or symptomatic: Pred Forte 1% 1 gtt OU qid \| Lotemax 1 gtt OU qid
		FOLLOW-UP	Annual eye exams, every 1-2 weeks during topical steroid treatment
		ADDITIONAL LAB \| TESTS	None
		ETIOLOGY	UV exposure
		DIFFERENTIAL DX	CIN \| Pinguecula \| Limbal dermoid \| Pannus \| Limbal stem cell deficiency
		NOTES	After surgery, recurrence is not uncommon