PURPOSE To analyze the results of 2 years of corneal collagen cross-linking (CXL) for the treatment of keratoconus and to detect the efficiency of this procedure. DESIGN This was a retrospective noncomparative study. PATIENTS AND METHODS A total of 58 eyes of 40 keratoconus patients were subjected to CXL. Epithelium-off CXL was the only procedure performed for all cases. The ...
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