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. 2014 Nov 18;8:2277–2287. doi: 10.2147/OPTH.S67902

Figure 2.

Figure 2

Box plots of epithelial thickness (showing center, superior, inferior, minimum, maximum, mean, and peripheral) showing median level (⊗), average (⊕), 95% median confidence, and interquartile interval range boxes. Top, keratoconic group; bottom, control group.