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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Arch Ophthalmol. 2011 Sep;129(9):1132–1138. doi: 10.1001/archophthalmol.2011.225

Figure 2.

Figure 2

Central corneal thickness (CCT) for African-American subjects plotted by age with superimposed 5th, 10th, 25th, 50th, 75th, 90th, and 95th percentiles. Median CCT was derived from a regression model of CCT as a function of age (x): CCT = 539.9 + 0.8x − 0.06(x − x̄)2, where x̄ = 9.5. Coefficient of determination (R2) for model is 0.006.