From: Correlation between ocular residual astigmatism and anterior corneal astigmatism in children with low and moderate myopia
ORA
Compensatory effects
Superimposed effects
WTR
ATR
Oblique
WTR ACA (n = 235)
0
230
4
1
ATR ACA (n = 2)
Oblique ACA (n = 4)
3