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Subconjunctival fibrosis after conjunctival autograft.

While largely successful, the use of a conjunctival autograft in the exposed scleral bed following a pterygium excision can result in postoperative complications. We report two cases of a previously undescribed complication: subconjunctival fibrosis at the harvest site of the graft. In one case, the fibrosis caused an asymptomatic, purely cosmetic defect; however, in the other case, the scar tissue constricted the extraocular movement with resultant diplopia. We call attention to this complication as it can affect visual function; we discuss its management and prevention.