Table 4.

Vertical Coma (VC), Horizontal Coma (HC) and Spherical Aberration (SA) by three viewing conditions ($\mu$m, mean $\pm$ SD)

	VC	HC	SA
2D	$-$0.017 $\pm$ 0.425	$-$0.036 $\pm$ 0.037	$-$0.051 $\pm$ 0.065
3D-A	$-$0.020 $\pm$ 0.019${}^{\mathrm{a}}$	$-$0.038 $\pm$ 0.071	$-$0.052 $\pm$ 0.059
3D-B	$-$0.032 $\pm$ 0.029${}^{\mathrm{ab}}$	$-$0.054 $\pm$ 0.090${}^{\mathrm{ab}}$	$-$0.055 $\pm$ 0.052
$F$	5.205	3.541	0.176
$P$	$<$ 0.05	$<$ 0.05	$>$ 0.05

Note: “a” and “b” denoted significant differences from 2D and 3D-A, respectively ($P<$ 0.05).