Comparison of Two Toric IOL Calculation Methods

Table 2

Refractive prediction error and median absolute error for spherical equivalent and cylinder when using a standard industry calculator.

		Prediction error	Median absolute error	value
Spherical equivalent	All ()	0.19 ± 0.82	−0.04 ± 0.82	0.05
	WTR ()	0.20 ± 0.81	0.00 ± 0.81	0.18
	ATR ()	0.20 ± 1.00	0.01 ± 1.00	0.16
Cylinder	All ()	−0.60 ± 0.67	0.05 ± 0.67	≤0.01
	WTR ()	−0.52 ± 0.64	0.08 ± 0.64	≤0.01
	ATR ()	−1.00 ± 0.78	−0.37 ± 0.78	≤0.01