Randomized clinical trial to evaluate the efficacy of fibrin membrane graft with eye drops concentrated in autologous growth factors in primary pterygium surgery compared to amniotic membrane graft in terms of recurrence during the first year after surgery.

pterygium

Recurrence rate in both techniques. Defined as the number of recurrences per technique divided by the surgeries performed with amniotic membrane implant and those using fibrin-rich growth factor graft. Recurrence is understood as the appearance of fibrovascular proliferation invading the corneal limbus and the cornea. This will be evaluated during follow-up at one month, two months, three months, six months, and one year after the intervention.

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