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. 2026 Jul 20;57(4):1165–1170. [Article in Chinese] doi: 10.12182/20260760209

表 2. The magnitude of RA and CA by different age.

不同年龄RA和CA屈光度

Age/yr. Case (%) Inline graphic
RA/D CA/D
 RA: refractive astigmatism; CA: corneal astigmatism.
3 8743 (3.42) -0.52 ± 0.51 -1.17 ± 0.62
4 14546 (5.68) -0.50 ± 0.51 -1.14 ± 0.58
5 21608 (8.44) -0.49 ± 0.52 -1.16 ± 0.59
6 26409 (10.32) -0.47 ± 0.52 -1.17 ± 0.59
7 28604 (11.18) -0.47 ± 0.52 -1.15 ± 0.58
8 29322 (11.46) -0.47 ± 0.52 -1.17 ± 0.57
9 25323 (9.89) -0.51 ± 0.54 -1.19 ± 0.59
10 23618 (9.23) -0.57 ± 0.58 -1.24 ± 0.61
11 21368 (8.35) -0.63 ± 0.62 -1.28 ± 0.64
12 21983 (8.59) -0.68 ± 0.66 -1.33 ± 0.65
13 18004 (7.03) -0.77 ± 0.72 -1.40 ± 0.69
14 16431 (6.42) -0.83 ± 0.75 -1.43 ± 0.71
Total 255959 (100) -0.56 ± 0.59 -1.23 ± 0.62