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. Author manuscript; available in PMC: 2015 May 14.
Published in final edited form as: Am J Ophthalmol. 2007 Dec 11;145(2):228–232. doi: 10.1016/j.ajo.2007.09.030

Figure 4.

Figure 4

Scatterplot of AS-OCT pachymetry measurements made by two observers (N=50), demonstrating high correlation (r2=0.91) but with observer 1 measuring slightly higher CCT readings (mean difference 6.9 µm, P < 0.001) than observer 2 in most subjects.