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Ocular surface parameters in the eye homolateral to the hemifacial spasm and in the contralateral one
| Characteristic | Homolateral eye | Contralateral eye | P |
|---|---|---|---|
| TFBUT (s) | 5.9±3.2 | 7.5±4.2 | 0.001 |
| Schirmer test (mm/5’) | 6.2±3.4 | 9.2±6.6 | 0.031 |
| Corneal sensitivity (mm) | 50.8±3.7 | 52.3±2.9 | 0.048 |
| Tear osmolarity (mOsm/L) | 296.6±15.5 | 294.8±22.4 | 0.081 |
| Corneal staining (NEI score) | 1.5±1.1 | 1.3±1.0 | 0.656 |
Data are expressed as mean±standard deviation, TFBUT=Tear film break-up time; NEI=National Eye Institute
