Storage, surgery, outcome, and complications of corneal and conjunctival grafts

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Abstract
Corneal transplantation is still limited by a shortage of donor material, but the type of storage medium used once a cornea has been acquired is probably irrelevant to graft outcome. Vancomycin HCl shows promise as a supplement to gentamicin sulfate in storage media. New methods of HLA typing using donor ocular tissue have largely helped to overcome the problems associated with typing of cadaveric blood, but the value of HLA typing in improving corneal graft survival is now in doubt. Alternative regimens of immunosuppression are being tested in animal models, but there is still no consensus on the best ways to use existing agents such as corticosteroids. Rejection remains the most common cause of unsuccessful corneal grafting in large cohorts, but glaucoma and astigmatism also limit postoperative graft function. Limbal stem cell grafts are promising for the management of many ocular surface diseases and conjunctival limbal autografts for pterygia may be the most successful surgical method for preventing recurrence.

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