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Table 4 Association between changes in higher-order aberrations and preoperative mean spherical equivalent refraction, mean astigmatism, six months following the procedure

From: Induced Higher-order aberrations after Laser In Situ Keratomileusis (LASIK) Performed with Wavefront-Guided IntraLase Femtosecond Laser in moderate to high Astigmatism

Pearson r

Coma (Post-Pre)

Trefoil (Post-Pre)

SA (Post-Pre)

Sec Astig (Post-Pre)

RMS (Post-Pre)

MSER

−0.13 (−0.52 to +0.30)

−0.16 (−0.54 to +0.27)

−0.57 (−0.80 to −0.21)

−0.32 (−0.65 to 0.11)

−0.43 (−0.72 to −0.02)

p-value

0.55

0.46

0.004

0.14

0.04

Astigmatism

−0.18 (−0.55 to 0.25)

−0.36 (−0.67 to 0.06)

−0.08 (−0.48 to 0.34)

−0.38 (−0.69 to 0.03)

−0.31 (−0.64 to 0.12)

p-value

0.41

0.09

0.72

0.07

0.15

  1. Correlation coefficients r (95 % confidence intervals) are shown