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Table 1 Patient demographics and preoperative data

From: Twelve-month outcomes of single-step transepithelial photorefractive keratectomy for moderate hyperopia and hyperopic astigmatism

Parameters

Value

No. of eyes

48

No. of patients

30

Age (years), mean ± SE (range)

38 ± 1.24 (24 to 42)

Gender (female/male)

(17/13)

LogMAR UDVA (mean ± SE)

0.53 ± 0.02

LogMAR CDVA (mean ± SE)

0.02 ± 0.01

Manifest SEQ (D), mean ± SE (range)

2.96 ± 0.53 (2.00 to 4.25)

Cycloplegic SEQ (D), mean ± SE (range)

3.21 ± 0.61 (2.00 to 4.50)

Cycloplegic sphere (D), mean ± SE (range)

2.75 ± 0.05 (1.75 to 3.00)

Cycloplegic cylinder (D), mean ± SE (range)

0.93 ± 0.11 (0.00 to 3.00)

Pachymetry (μm, mean ± SE)

540.4 ± 5.6

Km (D, mean ± SD)

42.52 ± 1.19

Q value (mean ± SE)

 − 0.21 ± 0.01

Central epithelial thickness (μm), mean ± SE (range)

52.81 ± 0.52 (50 to 56)

Calculated depth of ablation (μm), mean ± SE (range)

60.83 ± 4.75 (37 to 101)

Scotopic pupil (mm, mean ± SE)

5.82 ± 1.40

TBUT (seconds, mean ± SE)

12.1 ± 0.32

  1. SD = standard deviation; SE = standard error; CDVA = corrected distance visual acuity; D = diopters; Km = mean keratometry; LogMAR = logarithm of the minimum angle resolution; SEQ = spherical equivalent refraction; TBUT = tear film break-up time; UDVA = uncorrected distance visual acuity