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Normal values of peak systolic velocities (PSV), end-diastolic velocities (EDV), and Resistance Index (RI) in retrobulbar vessels [12,16,60].
| Parameter | OA | CRA | PCA (Temporal) | PCA (Nasal) | SOV (Superior Ophthalmic Vein) |
|---|---|---|---|---|---|
| PSV (cm/s) | 45.3 ± 10.5 | 17.3 ± 2.6 | 13.3 ± 3.5 | 12.4 ± 3.4 | 10.2 ± 3.8 |
| EDV (cm/s) | 11.8 ± 4.3 | 6.2 ± 2.7 | 6.4 ± 1.5 | 5.8 ± 2.5 | 4.3 ± 2.4 |
| RI | 0.74 ± 0.07 | 0.63 ± 0.09 | 0.52 ± 0.10 | 0.53 ± 0.08 |
