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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