Colour Doppler imaging repeatability values
| Vessel | PSV | EDV | RI |
|---|---|---|---|
| After Kagemann et al.20 | |||
| PSV, peak systolic velocity; EDV, end diastolic velocity; RI, resistance index; OA, ophthalmic artery; CRA, central retinal artery; TPCA, temporal posterior ciliary artery; NPCA, nasal posterior ciliary artery. | |||
| OA | 5.1% | 9.6% | 1.75 |
| CRA | 5.3% | 17.9% | 4.6% |
| TPCA | 11.6% | 8.8% | 7.6% |
| NPCA | 12.0% | 14.2% | 4.9% |