Table 7.

Higher-order aberration values (4 mm) during follow-up.

	Preoperative	1 month	3 months	6 months	12 months	24 months
HOA-RMS ( μ m)
Mean±SD	1.04 ± 0.57	0.76 ± 0.58	0.61 ± 0.38	0.62 ± 0.39	0.64 ± 0.42	0.63 ± 0.41
Min/Max	0.15/2.58	0.18/2.28	0.15/1.84	0.15/1.84	0.16/1.95	0.16/1.80
p (preoperative)∗	-	0.153	<0.001	<0.001	<0.001	<0.001
p (previous)∗∗	-	-	0.141	0.763	0.982	0.027
COMA-RMS ( μ m)
Mean±SD	0.91 ± 0.55	0.57 ± 0.50	0.45 ± 0.35	0.47 ± 0.35	0.50 ± 0.39	0.49 ± 0.38
Min/Max	0.10/2.35	0.06/1.69	0.03/1.64	0.03/1.64	0.03/1.69	0.03/1.52
p (preoperative)∗	-	0.024	<0.001	<0.001	<0.001	<0.001
p (previous)∗∗	-	-	0.240	<0.001	0.750	0.064
SA-RMS ( μ m)
Mean±SD	0.19 ± 0.16	0.24 ± 0.29	0.11 ± 0.16	0.11 ± 0.16	0.13 ± 0.10	0.13 ± 0.10
Min/Max	0.01/0.71	0.01/1.04	−0.40/0.62	−0.40/0.62	0.00/0.44	0.02/0.45
p (preoperative)∗	-	0.687	0.087	0.073	0.008	0.006
p (previous)∗∗	-	-	0.101	0.645	0.820	0.518

SD: standard deviation; min: minimum; max: maximum; HOA-RMS: root-mean-square of total higher-order aberrations; Coma-RMS: root-mean-square of coma; SA-RMS: root-mean-square of spherical aberration.

∗: compared to preoperative visit.

∗∗: compared to previous visit.