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    Anterior segment OCT helps define variations in epithelial thickening

    Inferior epithelial thinning after LASIK may be related to dry eye associated with condition



    Anterior-segment optical coherence tomography was used to characterize changes in the corneal epithelial thickness patterns after myopic LASIK and PRK.



    Houston—Myopic LASIK and PRK are associated with greater thickening of the paracentral and central epithelium compared with changes in the peripheral epithelium. These central changes may to some extent counteract the myopic effect of the ablation.

    “Previous studies have reported epithelial thickening after myopic ablations, with the greatest thickening occurring centrally and paracentrally,” said Shaun Robinson, MD, of Cullen Eye Institute, Baylor College of Medicine, Houston, at the time of this series, and currently with the Cabarrus Eye Center, Concord, NC. “However, no studies have investigated the regional variations in epithelial thickening after corneal refractive surgery.”

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