Table 2.
Mean RNFL thickness value in μm measured by OCT before and after femtosecond-assisted LASIK
| Parameters | Preoperative (Mean ± SD) | 1 month postoperative (Mean ± SD) | P-value |
|---|---|---|---|
| Average RNFL thickness | 108.28 ± 8.4 μm | 108.38 ± 11.2 μm | 0.94 |
| Superior average | 111.25 ± 9.5 μm | 110.85 ± 11.4 μm | 0.77 |
| Inferior average | 111.8 ± 10.5 μm | 111.87 ± 8.6 μm | 0.95 |
| Temporal average | 85.5 ± 15 μm | 86.6 ± 15.9 μm | 0.59 |
| Nasal average | 79.2 ± 6.9 μm | 77.5 ± 7.1 μm | 0.28 |
Abbreviations: RNFL, retinal nerve fiber layer; OCT, optical coherence tomography; LASIK, laser-assisted in situ keratomileusis; SD, standard deviation.