Clinical Study

Optical Coherence Tomography-Guided Transepithelial Phototherapeutic Keratectomy for Central Corneal Opacity in the Pediatric Population

Table 2

Optical coherence tomography-guided transepithelial phototherapeutic keratectomy for central corneal opacity in the pediatric population. Visual and anatomic outcomes after phototherapeutic keratectomy.

Outcomes ( eyes)Preoperative means (95% confidence intervals)Postoperative means (95% confidence intervals) value

Uncorrected visual acuity (logMAR)1.70 (1.37–2.02), range = 0.65–2.50.45 (0.12–0.78), range = 0.00–0.70<0.0001
Best spectacle-corrected visual acuity (logMAR)0.60 (0.43–0.77), range = 0.2–1.20.21 (0.03–0.39), range = 0.00–0.540.0045
Topographic cylinder4.47 (2.62–6.31), range = 0.76–13.832.24 (0.29–4.19), range = 0.72–3.330.0989
Topographic surface asymmetry index1.76 (0.85–2.66), range = 0.19–6.471.01 (0.11–1.91), range = 0.37–3.010.2362
Topographic surface regularity index1.18 (0.80–1.56), range = 0.25–1.980.72 (0.34–1.10), range = 0.03–1.590.0924
Topographic projected visual acuity (logMAR)0.44 (0.36–0.52), range = 0.00–0.440.42 (0.34–0.50), range = −0.05–0.350.6991
Refractive astigmatism on cycloplegic refraction (diopters)1.73 (0.96–2.49), range = 0.25–3.751.67 (0.86–2.47), range = 0.75–4.500.9130
Absolute value of spherical equivalent on cycloplegic refraction (diopters)4.71 (3.17–6.26), range = 1.00–10.630.67 (−0.97–2.30), range = 0.13–2.000.0014