| Ortho-k Group | Control Group | P-value |
---|
NIBUTf (s) | 6.15 ± 2.56 | 6.18 ± 2.61 | 0.968 |
NIBUTav (s) | 6.85 ± 2.72 | 6.79 ± 3.04 | 0.900 |
- NIBUTf, non-invasive first tear film break-up time; NIBUTav, non-invasive average tear film break-up time; Ortho-k, orthokeratology.