Table 2. Mean preoperative and postoperative keratometry.
| Parameter | Preoperative | Postoperative | P |
|---|---|---|---|
| Aberration-Free | |||
| K1 (D) | 42.64 ± 1.15 (40.50 to 45.75) | 37.33 ± 2.59 (33.75 to 41.25) | < 0.001 |
| K2 (D) | 43.86 ± 1.40 (41.50 to 34.50) | 38.09 ± 2.79 (34.50 to 42.50) | < 0.001 |
| Corneal Wavefront | |||
| K1 (D) | 42.49 ± 1.27 (40.50 to 44.50) | 37.16 ± 2.17 (34.00 to 41.50) | < 0.001 |
| K2 (D) | 44.04 ± 1.45 (41.50 to 45.75) | 37.90 ± 2.22 (35.25 to 42.50) | < 0.001 |
K1 = flattest keratometry reading; K2 = steepest keratometry reading.