Fig. 7From: Induced Higher-order aberrations after Laser In Situ Keratomileusis (LASIK) Performed with Wavefront-Guided IntraLase Femtosecond Laser in moderate to high AstigmatismChanges (postoperative minus preoperative) in higher-order aberrations as a function of preoperative aberration values in micrometres (μm; a - c), and preoperative mean spherical equivalent refraction (d)Back to article page