Table 1

Characteristics of the SMILE and FS-LASIK groups

CharacteristicsSMILE group (n=60)FS-LASIK group (n=41)P values
MeanSDMeanSD
Age (years)29.427.7032.178.260.057
Sphere (D)−6.141.62−6.701.920.075
Cylinder (D)−0.800.68−0.890.910.714
Spherical equivalent−6.541.69−7.151.920.058
LogMAR CDVA−0.040.05−0.020.050.280
Central corneal thickness (μm)545.3030.85544.6824.910.961
Axis length (mm)26.151.0426.330.950.131
Planned optical zones6.450.156.480.220.331
Ablation depth (μm)124.4522.14128.3224.820.261
  • CDVA, corrected distance visual acuity; FS-LASIK, femtosecond laser-assisted laser in situ keratomileusis; SMILE, small incision lenticule extraction.