Table 4.

Postoperative internal aberrations and Strehl ratio (SR) 3 months after cataract surgery.

	SBL-3 group mean ± SD (range)	SN6AD1 group mean ± SD (range)	p value
Total aberration	1.28 ± 0.35 (0.78 to 2.03)	0.58 ± 0.29 (0.23 to 1.48)	<0.001∗
HOAs	0.65 ± 0.08 (0.39 to 0.76)	0.21 ± 0.09 (0.10 to 0.53)	<0.001∗∗
Coma	0.16 ± 0.05 (0.10 to 0.34)	0.11 ± 0.06 (0.03 to 0.28)	<0.001∗
Trefoil	0.59 ± 0.11 (0.33 to 0.74)	0.12 ± 0.08 (0.04 to 0.37)	<0.001∗∗
SA	0.05 ± 0.05 (0.00 to 0.19)	0.06 ± 0.03 (0.17 to 0.33)	0.006∗∗
SR	0.01 ± 0.01 (0.00 to 0.03)	0.07 ± 0.03 (0.02 to 0.13)	<0.001∗∗

^∗Student's t-test; ^∗∗Mann–Whitney test. HOAs: high-order aberrations; SA: spherical aberration. Corresponding p values for the comparison between groups are shown for each parameter evaluated.