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Table 1 Baseline patient characteristics

From: Visumax femtolasik versus Moria M2 microkeratome in mild to moderate myopia: efficacy, safety, predictability, aberrometric changes and flap thickness predictability

  GROUP I (30 eyes) GROUP II (30 eyes) P value
Age 26 ± 4.7 (20 to 39) 27.8 5.2 (21 to 37) 0.14
Gender: male/female 9 M/6F 8 M/7F 0.16
Preoperative manifest sphere diopter (D) −2.5 ± 1.2 (−5.25 to −0.75) −2.8 ± 1.01 (−5.0 to −0.5) 0.14
Preoperative cylinder (D) −0.8 ± 0.46 (−2.0 to −0.25) −0.6 ± 0.49 (−2.0 to −0.25) 0.13
Preoperative SE (D) −2.45 ± 1.09 (−4.25 to −0.75) −3.0 ± 1.07 (−5.5 to −0.5) 0.06
Preoperative k1(D) 43.9 ± 1.08 (40.8 to 45.66) 43.75 ± 1.4 (41.39 to 46.2) 0.58
Preoperative k2(D) 42.87 ± 1.15 (40.9 to 44.94) 43.07 ± 1.4 (40.44 to 45.36) 0.57
Preoperative Q(4.5 mm) −0.38 ± 0.11 (−0.7 to −0.2) −0.36 ± 0.11 (−0.6 to −0.1) 0.91
Preoperative pachymetry(μm) 546.71 ± 36.48 (489 to 623) 558.3 ± 40.4 (509 to 655) 0.33
Preoperative total aberrations(μm) 4.88 ± 1.6 5.2 ± 1.9 0.66
Preoperative HOA(μm) 0.37 ± 0.1 0.36 ± 0.1 0.48
Preoperative vertical coma(μm) 0.01 ± 0.2 0.02 ± 0.2 0.54
Preoperative horizontal coma(μm) 0.17± 0.4 0.2 ± 0.6 0.06
Preoperative SA(μm) 0.16 ± 0.3 0.2 ± 0.3 0.16
  1. Abbreviations: D diopter, (k1,k2) the steep and the flat keratometric readings, Q corneal asphericity, SE spherical equivalent, HOA high order aberrations, μm micron SA spherical aberrations