TABLE 4.

Comparison of wavefront aberrations between groups.

	Preop. (n = 36)			Postop. 1 week (n = 32)			Postop. 1 month (n = 33)			Postop. 3 month (n = 29)			Postop. 6 month (n = 24)
	Group A	Group B	P	Group A	Group B	P	Group A	Group B	P	Group A	Group B	P	Group A	Group B	P
RMS HOA	0.34 ± 0.08	0.36 ± 0.10	0.063	0.87 ± 0.34*	0.55 ± 0.14*	0.000#	0.98 ± 0.37*	0.60 ± 0.17*	0.000#	0.91 ± 0.28*	0.62 ± 0.14*	0.000#	0.95 ± 0.31*	0.65 ± 0.17*	0.000#
Spherical aberration	0.16 ± 0.08	0.16 ± 0.07	0.692	0.44 ± 0.21*	0.20 ± 0.14	0.000#	0.44 ± 0.19*	0.22 ± 0.12	0.000#	0.36 ± 0.17*	0.20 ± 0.16	0.000#	0.38 ± 0.15*	0.21 ± 0.14	0.000#
Trefoil 30°	−0.04 ± 0.11	−0.07 ± 0.13	0.121	−0.03 ± 0.12	−0.01 ± 0.13	0.524	−0.01 ± 0.14	−0.07 ± 0.13	0.115	−0.05 ± 0.17	−0.09 ± 0.15	0.253	−0.07 ± 0.15	−0.05 ± 0.17	0.537
Coma 90°	−0.03 ± 0.15	−0.02 ± 0.17	0.647	−0.34 ± 0.42*	−0.21 ± 0.23*	0.035#	−0.42 ± 0.53*	−0.23 ± 0.27*	0.027#	−0.43 ± 0.42*	−0.21 ± 0.29*	0.001#	−0.34 ± 0.48*	−0.23 ± 0.28*	0.026#
Coma 0°	−0.03 ± 0.13	0.03 ± 0.14	0.128	−0.10 ± 0.39	−0.05 ± 0.22	0.532	−0.17 ± 0.38	−0.03 ± 0.26	0.151	−0.18 ± 0.43	−0.05 ± 0.29	0.289	−0.20 ± 0.39	−0.04 ± 0.27	0.072
Trefoil 0°	−0.02 ± 0.09	0.03 ± 0.11	0.055	−0.04 ± 0.21	0.05 ± 0.15	0.093	−0.05 ± 0.21	0.07 ± 0.15	0.039#	0.04 ± 0.20	0.06 ± 0.18	0.759	−0.04 ± 0.28	0.05 ± 0.21	0.236

*Significant difference in HOAs between preoperative and postoperative values. ^#Significant difference in HOAs between Group A and Group B.