Table 2 Comparison of aberration before and after SMILE surgery between group-H and group-M (mean ± SD)
Time | Pre-op | Post-3M | ||||
|---|---|---|---|---|---|---|
Group | Group-H | Group-M | p | Group-H | Group-M | p |
Vertical trefoil Z(3,-3) | 0.00 ± 0.28 | -0.02 ± 0.27 | 0.58 | 0.07 ± 0.34 | 0.05 ± 0.32 | 0.77 |
Vertical coma Z(3,-1) | -0.04 ± 0.21 | -0.04 ± 0.27 | 0.94 | 0.02 ± 0.58 | 0.03 ± 0.45 | 0.88 |
Horizontal coma Z(3,1) | -0.30 ± 0.46#♦ | -0.15 ± 0.43*♦ | 0.04 | 0.65 ± 0.41# | 0.59 ± 0.56* | 0.48 |
Oblique trefoil Z(3,3) | -0.06 ± 0.35 | -0.06 ± 0.33 | 0.95 | 0.03 ± 0.31 | 0.02 ± 0.37 | 0.91 |
Oblique quadrafoil Z(4,-4) | -0.01 ± 0.12# | 0.00 ± 0.13* | 0.63 | 0.09 ± 0.12# | 0.06 ± 0.12* | 0.15 |
Oblique secondary astigmatism Z(4,-2) | -0.03 ± 0.12 | -0.01 ± 0.14 | 0.37 | -0.00 ± 0.13 | 0.02 ± 0.15 | 0.46 |
Spherical aberration Z(4,0) | -0.24 ± 0.26# | -0.18 ± 0.24* | 0.13 | -0.57 ± 0.32#♦ | -0.38 ± 0.27*♦ | 0.00 |
Vertical secondary astigmatism Z(4,2) | -0.09 ± 0.20#♦ | 0.06 ± 0.19*♦ | 0.00 | -0.18 ± 0.27#♦ | -0.04 ± 0.24*♦ | 0.00 |
Vertical quadrafoil Z(4,4) | -0.09 ± 0.19 | -0.02 ± 0.18 | 0.05 | -0.08 ± 0.17 | -0.04 ± 0.17 | 0.19 |
Total HOAs (RMS) | 0.37 ± 0.14#♦ | 0.31 ± 0.12*♦ | 0.01 | 0.49 ± 0.16# | 0.44 ± 0.15* | 0.06 |