Research Article
Comparison of Long-Term Outcomes and Refractive Stability following SMILE versus SMILE Combined with Accelerated Cross-Linking (SMILE XTRA)
Table 4
Visual and refractive parameters 2 weeks post-op versus mean follow-up in the SMILE XTRA group.
| Parameter (mean ± SD) | Post-op 2 weeks | Last follow-up | value |
| UDVA (logMAR) | −0.08 ± 0.13 | −0.06 ± 0.08 | 0.24 | Sphere (D) | 0.00 ± 0.00 | −0.062 ± 0.25 | 0.08 | Cylinder (D) | −0.00 ± 0.03 | −0.15 ± 0.28 | ≤0.001 | SE (D) | −0.00 ± 0.01 | −0.13 ± 0.33 | 0.005 | CDVA (logMAR) | −0.08 ± 0.13 | −0.07 ± 0.06 | 0.63 | K1 (D) | 40.34 ± 2.00 | 40.50 ± 2.03 | 0.67 | K2 (D) | 41.10 ± 2.06 | 41.44 ± 2.02 | 0.38 | Corneal astigmatism (D) | 0.79 ± 0.34 | 0.84 ± 0.40 | 0.49 | CCT (μ) | 435.20 ± 23.96 | 442.85 ± 26.65 | 0.11 | Thinnest pachymetry (μ) | 433.87 ± 24.88 | 440.35 ± 25.97 | 0.19 |
|
|
UDVA: uncorrected distance visual acuity; D: diopter; SE: spherical equivalent; CDVA: corrected distance visual acuity; K: keratometry; CCT: central corneal thickness.
|