Table 2.

Postoperative Visual Outcomes

Visual outcomes	Total (131)	SMILE(35)	FS-LASIK (73)	ICL(23)	P
Post-op UDVA	1.19 ± 0.17 (0.9, 1.5)	1.21 ± 0.20 (0.9, 1.5)	1.18 ± 0.16 (0.9, 1.5)	1.17 ± 0.14 (0.9, 1.5)	0.601
Post-op CDVA	1.24 ± 0.17 (0.9, 1.5)	1.25 ± 0.18 (0.9, 1.5)	1.25 ± 0.17 (1.0, 1.5)	1.21 ± 0.13 (1.0, 1.5)	0.606
Post-op sphere (D)	-0.006 ± 0.227 (-0.75, + 1.00)	0.029 ± 0.199 (-0.25, + 0.50)	-0.007 ± 0.253 (-0.75, + 1.00)	-0.054 ± 0.168 (-0.50, + 0.25)	0.398
Post-op cylinder (D)	-0.10 ± 0.21 (-1.00, 0)	-0.07 ± 0.18 (-0.75, 0)	-0.11 ± 0.20 (-0.75, 0)	-0.14 ± 0.29 (-1.00. 0)	0.467
Safety index	1.22 ± 0.18	1.21 ± 0.18	1.22 ± 0.18	1.22 ± 0.16	0.996
Efficacy index	1.16 ± 0.17	1.18 ± 0.20	1.15 ± 0.17	1.17 ± 0.15	0.752

The data are presented as means ± standard deviation (SD) and range. Bold data are significant at P < 0.05 (One-way ANOVA and Pearson Chi-Square). Post-op = postoperative, UDVA = uncorrected distance visual acuity, CDVA = corrected distance visual acuity, D = diopters