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What are the advantages of amniotic membrane transplantation over conjunctival limbal autograft in pterygium surgery?

April 26, 2017advantages amniotic autograft conjunctival limbal membrane pterygium surgery transplantation

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What are the advantages of amniotic membrane transplantation over conjunctival limbal autograft in pterygium surgery?

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Although the use of free grafts of conjunctiva and limbal tissue is reported to have better success rates, cryopreserved amniotic membrane has the following advantages: (1) Less pain (as no donor site is injured) (2) Shorter surgical time (3) Faster patient recovery (4) Amenable to cover a larger defect (5) Saves the donor site for other surgeries such as glaucoma (6) Better cosmetic outcome Amniotic membrane can provide consistently better results than conjunctival autograft. However, to achieve this goal, we recommend the use of intraoperative MMC and sealing the gap between the conjunctiva and Tenon’s capsule.