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Table 1 Demographics and baseline characteristics

From: Early clinical outcomes and comparison between trans-PRK and PRK, regarding refractive outcome, wound healing, pain intensity and visual recovery time in a real‐world setup

  PRK (n=100 eyes of 50 patients) tPRK (n=100 eyes of 50 patients)
Age (years), mean ± SD 27.2 ± 3,3 27.7 ± 3.4
Gender, n
 Male 16 20
 Female 34 30
  Right eyes Left eyes All eyes Right eyes Left eyes All eyes
Refractive error (D), mean ± SD,
 Sphere -3.29 ± 1.20 -3.20 ± 1.20 -3.24 ± 1.20 -2.73 ± 0.98 -2.81 ± 1.02 -2.77 ± 1.00
 Cylinder -0.72 ± 0.67 -0.70 ± 0.65 -0.71 ± 0.65 0.65 ± 0.61 -0.64 ± 0.56 -0.64 ± 0.58
UCDVA (decimal), mean ± SD 0.21 ± 0.09 0.21 ± 0.09 0.21 ± 0.09 0.22 ± 0.08 0.22 ± 0.07 0.22 ± 0.08
BCDVA (decimal), mean ± SD 1.17 ± 0.18 1.18 ± 0.17 1.17 ± 0.18 1.10 ± 0.15 1.12 ± 0.15 1.11 ± 0.15
  1. BCDVA best corrected distance visual acuity, D diopter, UCDVA uncorrected distance visual acuity, PRK photorefractive keratectomy, tPRK transepithelial photokeratectomy, SE spherical equivalent, SD standard deviation
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BMC Ophthalmology

ISSN: 1471-2415

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