Table 3.
Summary of the biometry reports available from previous MRI studies.
| Reference | Healthy subjects (N) | Field Strength | Slice thickness (mm) | Metric dimensions | Intraorbital ON cross sectional diameter (mm) | Intraorbital ON cross sectional area (mm2) | Intraorbital ON volume (mm3) | ON volume (mm3) | OC volume (mm3) | OT volume (mm3) |
|---|---|---|---|---|---|---|---|---|---|---|
| Bäuerle et al.29 | 15 | 3 T | 3 | 1-D | 5.69 ± 0.77* | – | – | – | – | – |
| Kim et al.30 | 314 | 1.5 T | (TOF-MRA) | 1-D | 4.71 ± .31 | – | – | – | – | – |
| Furlanetto et al.9 | 24 | 3 T | 2 | 1-D | 3.29 ± 0.4†; 8.51 ± 1.6† | – | – | – | – | – |
| Geeraerts et al.31 | 36 | 3 T | 4 | 1-D | 5.08 ± 0.71* | – | – | – | – | – |
| Karim et al.27 | 46 | 1.5 T | 2 | 1-D | 3.50 ± 0.4§ | – | – | – | – | – |
| Kashiwagi et al.32 | 23 | 1.5 T | 3 | 1-D | 2.47 ± 0.24 | – | – | – | – | – |
| Lagreze et al.12 | 33 | 3 T | 3 | 1-D | 3.23*; 2.94‡; 2.67 mm§ | – | – | – | – | – |
| Liu et al.33 | 413 | 3 T | (TOF-MRA) | 3-D | 4.76 ± 0.43* | – | – | – | – | – |
| Votruba et al.34 | 10 | 1.5 T | 3 | 1-D | 3.5 ± 0.3 (ant part); 3.1 ± 0.3 (middle part); 3.1 ± 0.3 (post part) | – | – | – | – | – |
| Seitz et al.35 | 9 | N/A | 2 | 1-D | 5.2 ± 1.11* | – | – | – | – | – |
| Weigel et al.36 | 32 | 3 T | 5 | 1-D | 3.23 ± 0.23 (ant part); 2.9 ± 0.3 (middle part); 2.7 ± 0.3 (post part) | – | – | – | – | – |
| Zhank et al.37 | 30 | 3 T | 4 | 1-D | 2.55 ± 0.37†; 2.32 ± 0.32‡; 2.2 ± 0.25§ | – | – | – | – | – |
| Yiannakas et al.38 | 18 | 1.5 T | 3 | 2-D | – | 8.5 ± 1.7* | – | – | – | – |
| Yiannakas et al.13 | 16 | 3 T | N/A | 2-D | – | 5.0 ± 0.7* (left); 5.3 ± 0.8* (right) | – | – | – | – |
| Hernowo et al.10 | 12 | 3 T | 1 mm (3-D) | 3-D (automated) | – | – | 137.6 ± 17.6 (left); 94.6 ± 17.1 (right) | – | 42.8 ± 12.15 (L + R average) | 417.4 ± 41.5 (right); 561.5 + / − 51.5 (left) |
| Hoffman et al.11 | 23 | 1.5 T | 2 | 3-D | – | – | 194.03 ± 47.77 mm3 | – | – | – |
| Ramli et al.39 | 30 | 3 T | 1.2 | 3-D | – | – | – | 297.80 ± 71.45 (left); 296.56 ± 71.02 (right) | – | – |
Distance from eye bulb: * = 3 mm; † = 5 mm; ‡ = 10 mm; § = 15 mm.