From: Correlation between ocular residual astigmatism and anterior corneal astigmatism in children with low and moderate myopia
Variable
Mean ± SD/Median(IQR)
Range
Age (y)
11.8 ± 2.2
8–18
Spherical refraction (D)
-3.00 (2.00)
-5.00—-1.00
RA (D)
0.49(0.46)
0.22–2.63
ACA (D)
1.63 ± 0.62
0.25–3.54
ORA (D)
1.02 (0.58)
0.28–2.48
SER (D)
-3.38(2.00)
-6.25—-1.13