Table 2 Time course of aberrations after SMILE
From: Four-year observation of predictability and stability of small incision lenticule extraction
Variables | Preoperative | 1 Month postoperative | 6 Months postoperative | 4 Years postoperative | P |
|---|---|---|---|---|---|
HOAs (μm) | 0.31 ± 0.12 | 0.48 ± 0.16 | 0.53 ± 0.17 | 0.51 ± 0.11 | <0.001 |
Spherical aberration (μm) | 0.07 ± 0.15 | 0.15 ± 0.13 | 0.17 ± 0.14 | 0.18 ± 0.14 | 0.003 |
Coma (μm) | 0.18 ± 0.13 | 0.36 ± 0.23 | 0.40 ± 0.23 | 0.40 ± 0.15 | <0.001 |
Higher-order astigmatism (μm) | 0.05 ± 0.03 | 0.09 ± 0.06 | 0.09 ± 0.05 | 0.10 ± 0.06 | 0.001 |
Trefoil (μm) | 0.14 ± 0.08 | 0.16 ± 0.08 | 0.16 ± 0.08 | 0.16 ± 0.09 | 0.693 |
Tetrafoil (μm) | 0.06 ± 0.03 | 0.08 ± 0.05 | 0.08 ± 0.04 | 0.08 ± 0.06 | 0.294 |