Zahedan

This research aims to evaluate the recurrence rate and functional outcomes after conjunctival transpositional surgery for primary pterygium, a condition affecting the conjunctiva and cornea. The study is designed as a prospective, single-arm interventional trial focusing on a surgical technique that avoids creating a bare sclera and does not use additional therapies. The surgery involves making conjunctival incisions at the upper and lower limbus to mobilize the pterygium tissue. Instead of complete excision or leaving a bare sclera, the fibrovascular tissue is dissected off the cornea and transposed inferiorly within the subconjunctival plane. Tenon's tissue is preserved, and absorbable sutures secure the tissue. No adjunctive treatments are applied. Participants will be monitored for up to 12 months to assess pterygium recurrence. The study measures the primary outcome of recurrence rate at 12 months. Participants must be adults with primary pterygium involving the cornea and able to provide informed consent. Safety and functional outcomes related to the surgery will also be observed during follow-up.