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. Author manuscript; available in PMC: 2013 Jul 16.
Published in final edited form as: J Cataract Refract Surg. 2009 Sep;35(9):1597–1603. doi: 10.1016/j.jcrs.2009.03.050

Figure 1.

Figure 1

Normality plot of central K, I–S, and logKISA values (blue = normal group; orange = keratoconus-suspect group; red = early keratoconus group) (I–S = inferior–superior; K = keratometry; Log(KISA) = logarithm transformation of keratoconus percentage index).