Table 3

Comparisons of corneal aberrations between the SMILE and FS-LASIK groups

ParametersSMILE groupFS-LASIK groupP values
MeanSDMeanSD
Preoperation
 HOAs0.440.220.410.120.448
 Spherical0.220.090.220.080.963
 Coma0.150.160.150.080.895
Postoperation
 HOAs0.980.411.040.360.457
 Spherical0.410.160.590.18<0.001
 Coma0.210.170.210.140.918
Induced
 HOAs0.540.400.630.370.293
 Spherical0.190.160.370.19<0.001
 Coma0.090.150.100.120.832
  • HOAs, higher order aberrations; FS-LASIK, femtosecond laser-assisted laser in situ keratomileusis; SMILE, small incision lenticule extraction.