Clinical Study

Corneal Epithelial Remodeling and Its Effect on Corneal Asphericity after Transepithelial Photorefractive Keratectomy for Myopia

Table 1

Epithelial thickness profile at 1 week, 1 month, 3 months, and 6 months after T-PRK.

CET (μm) 1 week 1 month
CentralParaMidCentralParaMid

Mean ± SD53.97 ± 4.353.50 ± 4.351.94 ± 5.551.03 ± 4.152.96 ± 3.653.68 ± 3.4
= 0.261 = 0.487 = 0.192 = 0.297 = 0.894P = 0.192

CET (μm)3 months6 months
CentralParaMidCentralParaMid

Mean ± SD55.14 ± 5.556.61 ± 4.857.18 ± 4.156.68 ± 5.158.03 ± 4.658.70 ± 3.7
= 0.027 < 0.001 < 0.001 < 0.001 < 0.001P < 0.001

value in comparison with preoperative measurements; SD: standard deviation.