Table 2.
Comparison of postoperative parameters between lenticular diameters used for SMILE during the study
| Variable | 6.5 mm LD (n=372) | 5 mm LD (n=318) | P |
|---|---|---|---|
| Postop day 1 | |||
| UCDVA | 0.09±0.04 | 0.12±0.1 | 0.36 |
| Glare (n, %) | 32 (9%) | 35 (11%) | 0.30 |
| CS POD1 (log CS) | 1.99±0.08 | 1.98±0.11 | 0.72 |
| Postop 1 month | |||
| UCDVA | 0.01±0.06 | 0.008±0.04 | 0.64 |
| Glare (n, %) | 2 (0.5%) | 0 | 0.50 |
| CS 1 month (log CS) | 1.99±0.01 | 1.98±0.08 | 0.70 |
| Postop 6 months | |||
| Residual stromal thickness | 346±39 | 360±33 | <0.001 |
| UCDVA | 0.006±0.03 | 0.008±0.04 | 0.61 |
| Glare (n, %) | 2 (0.5%) | 0 | 0.50 |
| CS 1 (log CS) | 1.99±0.02 | 1.98±0.08 | 0.70 |
| Change in optical aberrations at 1 month | |||
| ∆ Spherical aberrations | 0.08±0.1 | 0.14±0.1 | 0.32 |
| ∆ Coma | 0.10±0.1 | 0.19±0.4 | 0.17 |
| ∆ Higher order aberrations | 0.12±0.1 | 0.19±0.2 | 0.20 |
| ∆ Wavefront error | 0.19±0.2 | 0.25±0.2 | 0.19 |
UCDVA: Uncorrected distance visual acuity, POD: Postoperative day, CS: Contrast sensitivity