Skip to main content

Table 1 Summary statistics (mean ± standard deviation) preoperatively (n = 23), six months postoperatively and results of comparative analysis

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

Measured outcome Sphere Cylinder MRSE J 180 J 45 UDVA CDVA K steep K flat K average CCT
Preop −2.5 ± 2.5 −3.22 ± 0.59 −4.12 ± 2.55 −0.16 ± 0.92 −0.26 ± 1.36 −0.94 ± 0.35 +0.01 ± 0.09 44.80 ± 1.56 42.16 ± 1.49 43.48 ± 1.47 547.00 ± 21.65
Postop +0.04 ± 0.48 −0.72 ± 0.46 −0.31 ± 0.56 −0.03 ± 0.25 −0.02 ± 0.35 −0.04 ± 0.07 −0.00 ± 0.02 39.97 ± 2.18 39.06 ± 2.01 39.51 ± 2.08 464.20 ± 48.07
Post-Pre +2.55 ± 2.65 +2.52 ± 0.69 +3.82 ± 2.82 +0.13 ± 0.94 +0.27 ± 1.39 +0.90 ± 0.35 −0.01 ± 0.09 −4.83 ± 2.36 −3.11 ± 1.93 −3.97 ± 2.12 −82.74 ± 41.45
P value <0.0001 <0.0001 <0.0001 0.51 0.35 <0.0001 0.48 <0.0001 <0.0001 <0.0001 <0.0001
  1. MRSE mean refraction spherical equivalent, J 180 and J 45 Jackson cross cylinder vector components at 180° and 45° respectively, CDVA unaided distance visual acuity, CDVA corrected distance visual acuity, K keratometry, CCT central corneal thickness, Pre preoperative and postop = postoperative