Table 1.
Various orbital measurements in 151 patients
| Orbital measurement | Mean mm/degree ± [SD] | Range (mm or degree) | Difference range (mm or degree) | 95% confidence interval of the Difference | ||
|---|---|---|---|---|---|---|
|
| ||||||
| Lower | Upper | |||||
| Interzygomatic line | 88.4±9.09 | 58.9-106.1 | - | 86.95 | 89.88 | |
| Interorbital line | 22.18±3.62 | 10.8-29.8 | - | 21.59 | 22.76 | |
| Globe position | Right | 7.19±1.63 | 3.54-11.4 | 0.1 | 6.92 | 7.44 |
| Left | 7.2±1.61 | 3.55-11.3 | 6.94 | 7.46 | ||
| Globe protrusion | Right | 14.23±2.31 | 7.8-20.4 | 0.02 | 13.85 | 14.62 |
| Left | 14.21±2.39 | 7.81-20.6 | 13.82 | 14.59 | ||
| Transverse diameter of the globe | Right | 22.39±1.54 | 17.2-25.2 | 0.04 | 22.14 | 22.64 |
| Left | 22.43±1.53 | 17.3-25.1 | 22.17 | 22.66 | ||
| Distance between the optic nerve entry point | 46.19±6.83 | 36-70.9 | - | 45.09 | 47.29 | |
| Length of the intraorbital optic nerve | Right | 22.32±3.25 | 12.7-36.5 | 0.03 | 21.80 | 22.84 |
| Left | 22.35±3.24 | 12.8-36.7 | 21.82 | 22.87 | ||
| Angle between the optic nerves | 65.77±6.54 | 45.5-79.2 | - | 64.71 | 66.82 | |
| Optic nerve thickness -3 mm posterior to the lamina cribosa | Right | 2.34±0.37 | 1.4-3.21 | 0 | 2.28 | 2.40 |
| Left | 2.34±0.37 | 1.41-3.2 | 2.28 | 2.40 | ||
| Optic nerve thickness -- 7 mm posterior to the lamina cribosa | Right | 2.35±0.37 | 1.47-3.25 | 0.01 | 2.29 | 2.41 |
| Left | 2.36±0.37 | 1.48-3.3 | 2.30 | 2.42 | ||
| Thickness of medial rectus | Right | 2.5±0.44 | 1.45-3.8 | 0 | 2.43 | 2.577 |
| Left | 2.5±0.44 | 1.46-3.81 | 2.43 | 2.57 | ||
| Thickness of lateral rectus | Right | 2.22±0.4 | 1.19-3.21 | 0.01 | 2.15 | 2.28 |
| Left | 2.23±0.39 | 1.21-3.2 | 2.17 | 2.30 | ||
| Thickness of superior rectus | Right | 2.12±0.43 | 1.3-3.2 | 0 | 2.05 | 2.19 |
| Left | 2.12±0.42 | 1.31-3.2 | 2.5 | 2.19 | ||
| Thickness of inferior rectus | Right | 2.5±0.49 | 1.37-3.8 | 0.01 | 2.42 | 2.58 |
| Left | 2.51±0.49 | 1.38-3.81 | 2.43 | 2.59 | ||
| Angle between the medial and lateral orbital walls | Right | 51.45±3.58 | 43.2-59.7 | 0.02 | 50.87 | 52.03 |
| Left | 51.47±3.55 | 43-59.6 | 50.9 | 52.04 | ||
| Horizontal orbital diameter | Right | 29.75±3.14 | 20-36.3 | 0.05 | 29.25 | 30.26 |
| Left | 29.80±3.12 | 20.1-36.2 | 29.29 | 30.30 | ||
| Vertical orbital diameter | Right | 36.07±3.91 | 21.4-46.6 | 0.08 | 35.45 | 36.70 |
| Left | 36.15±3.89 | 21.5-46.5 | 35.52 | 36.78 | ||
| Orbital index | Right | 121.34±7.45 | 106.5-146 | 0.07 | 120.14 | 122.54 |
| Left | 121.41±7.45 | 106-144 | 120.23 | 122.59 | ||
| Eye ball volume | Right | 4.56±0.85 | 2-6.3 | 0.01 | 4.42 | 4.69 |
| Left | 4.57±0.85 | 2-6.28 | 4.43 | 4.71 | ||
| Orbital cavity volume | Right | 14.96±3.5 | 5.13-21.20 | 0.06 | 14.39 | 15.52 |
| Left | 15.02±3.5 | 3.19-21.50 | 14.45 | 15.58 | ||