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Table 1 Comparisons of axial length (AL), anterior chamber depth (ACD), keratometry (K) between various age groups

From: Age-related differences in ocular biometry in adult Korean population

Age (yr) 20–39 40–49 50–59 60–69 70–79 ≥80 F P valuea
(n = 22) (n = 40) (n = 123) (n = 210) (n = 301) (n = 104)
AL (mm) 24.83 ± 1.00 24.52 ± 1.06 23.90 ± 0.85 23.59 ± 0.90 23.38 ± 0.75 23.24 ± 0.64 31.84 <0.001
ACD (mm) 3.57 ± 0.67 3.60 ± 0.39 3.27 ± 0.43 3.06 ± 0.42 2.87 ± 0.41 2.74 ± 0.36 45.01 <0.001
K (diopters) 43.14 ± 1.45 43.85 ± 1.40 43.93 ± 1.39 44.16 ± 1.31 44.30 ± 1.40 44.39 ± 1.43 4.58 <0.001
  1. Values are presented as mean ± SD or number unless otherwise indicated
  2. aOne-way ANOVA