SMILE and Wavefront-Guided LASIK Out-Compete Other Refractive Surgeries in Ameliorating the Induction of High-Order Aberrations in Anterior Corneal Surface

Table 1

Preoperative patient characteristics (mean ± SD).

Parameter	LASIK	WF-LASIK	FS-LASIK	SMILE	value
Age (Y)	25.12 ± 4.70	24.22 ± 3.69	24.16 ± 4.48	25.25 ± 4.20	0.088
SE (D)	−4.91 ± 1.81	−4.82 ± 1.55	−5.43 ± 2.32	−5.03 ± 1.89	0.125
HOAs (μm)
Total HOAs	0.14 ± 0.04	0.16 ± 0.06	0.15 ± 0.04	0.15 ± 0.06	0.084
SA	0.25 ± 0.13	0.22 ± 0.18	0.23 ± 0.14	0.21 ± 0.15	0.441
Horizontal coma	0.00 ± 0.14	0.01 ± 0.14	0.00 ± 0.16	0.01 ± 0.13	0.839
Vertical coma	−0.01 ± 0.18	0.02 ± 0.26	−0.02 ± 0.31	−0.05 ± 0.17	0.095

LASIK: laser in situ keratomileusis; WF-LASIK: wavefront-guided laser in situ keratomileusis with iris registration; FS-LASIK: femtosecond laser-assisted laser in situ keratomileusis; SMILE: small incision lenticule extraction; HOAs: higher-order aberrations; SA: spherical aberration.