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Postoperative Aberrations
| Parameters | PRK | Femto-LASIK | P value |
|---|---|---|---|
| Mean HOA 5 mm (µm) ± SD | 0.29±0.11 | 0.26±0.1 | 0.13 |
| Mean HOA 6 mm (µm) ± SD | 0.57±0.23 | 0.51±0.19 | 0.10 |
| Mean Sph A. 5 mm (µm) ± SD | 0.03±0.07 | 0.01±0.02 | 0.40 |
| Mean Sph A. 6 mm (µm) ± SD | 0.10±0.14 | 0.06±0.06 | 0.81 |
| Mean total A. 5 mm (µm) ± SD | 0.57±0.23 | 0.61±0.25 | 0.08 |
| Mean total A. 6 mm (µm) ± SD | 1.04±0.45 | 1.02±0.36 | 0.06 |
HOA = Higher order aberration; Sph A.=spherical aberration; A= aberration
