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. 2018 Apr 5;13(4):e0195105. doi: 10.1371/journal.pone.0195105

Fig 3. Changes in steepest keratometry (K) value (K-steepest), flattest K value (K-flattest), average K value (K-avg), cylinder K value (K-cyl), and apex K between conventional and transepithelial corneal crosslinking-treated patients.

Fig 3

WMD, weighted mean difference.