A pterygium is a triangular wing shaped fold of conjunctiva and sub-conjunctival fibrovascular proliferation in the inter-palpebral fissure that has invaded superficial cornea.
Treatment of Pterygium:
A. Atrophic/ regressive pterygium: Left alone with periodic follow up.
- Excision of the pterygium with the conjunctiva and keeping the limbus and adjacent scleral area bare.
- Sub-conjunctiva dissection of the pterygium.
- Transposition operation.
- After excision – the bare sclera is treated with – Beta irradiation, – Thio-TEPA solution, – Mitomycin-C
- Limbal autograft
- Lamellar keratoplasty