Multiple procedures have been advocated in the treatment of pterygium ranging from simple excision with bare sclera to the use of grafts to cover the sclera. Simple excision carries a high recurrence rate ranging from 24%-89%. The addition of mitomycin C (MMC) or the use of grafts has been reported to be effective in preventing recurrence.
While the use of conjunctival autografts has resulted in better success rates, it is time consuming, technically difficult and inapplicable in cases with limbal disturbances. Cryopreserved amniotic membrane with fibrin glue and intraoperative application of MMC also provides good success rates and can reduce patient pain and improve the surgical aesthetic outcome. Therefore, this modality has been used as the preferred treatment for pterygium. For more details about the benefits of cryopreserved amniotic membrane for pterygium surgery view our pterygium FAQ's .
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