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Corneal epithelial thickness (μm) and intraclass correlation coefficient in (A,B) 57 normal eyes (30 men and 27 men; mean age, 52.6 ± 17.1 years) and (C,D) 106 corneal disease eyes (30 men and 46 women; mean age, 50.1 ± 15.5 years). S = superior; T = temporal; I = inferior; N = nasal.
