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Avellino Corneal Dystrophy Exacerbated After LASIK: Scanning Electron Microscopic Findings

Purpose: To evaluate the ultrastructure of the cornea of Avellino corneal dystrophy (ACD) exacerbated by LASIK. Methods: Three ACD patients with exacerbation of granular corneal deposits after LASIK underwent surgical removal of the corneal flap. The corneal flap was processed for scanning electron microscopy (SEM). Results: SEM of all patients showed abnormal granular clusters in the fibrils of the corneal flap. Conclusion: Laser in situ keratomileusis induces corneal collagen abnormalities and adhesions of granular material in ACD patients.