Table 1. Clinical characteristics of patients before surgery and within follow ups.
| Parameter | Pre-op | 1 week post-op | 1 month post-op | 3 months post-op | 6 months post-op | P |
| BCDVA(logMAR) | 1.07±0.27 | 0.67±0.21 | 0.41±0.13 | 0.3±0.1 | 0.28±0.8 | 10.0001 |
| UCDVA(LogMAR) | 1.32±0.31 | 0.24±0.11 | 0.4±0.12 | 0.51±0.11 | 0.41±0.12 | 10.0001 |
| Pachymetry(µm) | 432.1±39.5 | - | - | 434.6±41.5 | - | 20.149 |
| Mean Av-K(D) | 52.13±0.39 | - | - | 47.65±3.49 | - | 20.0001 |
1Repeated measurement ANOVA test, 2Paired t-test; BCDVA: Best-corrected distance visual acuity; UCDVA: Uncorrected distance visual acuity; Av-K: Average keratometry.