Skip to main content

Table 1 Preoperative characteristics of patients who underwent WFO PRK retreatments following previous laser refractive surgery with PRK, LASEK, or LASIK between January 2008 and April 2011 at Walter Reed Army Medical Center or Madigan Army Medical Center

From: Wavefront-optimized surface retreatments of refractive error following previous laser refractive surgery: a retrospective study

  78 patients (120 eyes)
Age ± SD (years) 40.3 ± 8.3 (26–58)
Gender (% Female) 20 (25.6 %)
Sphere ± SD (D) −0.46 ± 1.08 (−3.00 to 2.00)
Cylinder ± SD (D) −0.67 ± 0.64 (0 to −2.50)
MRSE ± SD (D) −0.79 ± 0.94 (−3.00 to 1.88)
UDVA ± SD (logMAR) 0.31 ± 0.17 (0 to 1.00)
Snellen equivalent (20/x) 40 (20 to 200)
CDVA >20/20 (% of eyes) 100 %
Average Keratometry ± SD (D) 41.33 ± 1.91 (36.85 to 46.05)
Central Corneal Thickness ± SD (μm) 493 ± 46 (392 to 623)
Primary surgery (% surface ablation) 57 (73.1 %)
Epithelial Removal Technique (20 % ethanol) 81.7 %
  1. MRSE= manifest refraction spherical equivalent, UDVA= uncorrected distance visual acuity, CDVA= corrected distance visual acuity