Table 1.
Eyeball and orbit diameters measured by computed tomography.
| Diameter (mm) | Right eyeball/orbit | Left eyeball/orbit | ||||
|---|---|---|---|---|---|---|
| Median ± SD | Max | Min | Median ± SD | Max | Min | |
| Eyeball | ||||||
| Transverse (r-r)* | 22.822 ± 1.7 | 25.5 | 20.0 | 22.936 ± 1.8 | 25.8 | 19.4 |
| Transverse (s-s)** | 24.156 ± 1.9 | 26.8 | 21.5 | 24.324 ± 1.9 | 27.1 | 20.9 |
| Sagittal (r-r) | 22.547 ± 1.2 | 25.1 | 20.0 | 22.604 ± 1.1 | 24.9 | 19.7 |
| Sagittal (s-s) | 23.799 ± 1.6 | 26.4 | 21.2 | 23.752 ± 1.7 | 25.6 | 20.5 |
| Axial, Group I*** | 24.477 ± 1.8 | 26.2 | 20.0 | 24.893 ± 2.2 | 25.8 | 20.7 |
| Axial, Group II**** | 23.422 ± 1.9 | 25.7 | 20.3 | 23.562 ± 1.9 | 25.4 | 19.9 |
| Axial, Group III***** | 22.307 ± 2.2 | 25.7 | 20.6 | 22.096 ± 1.9 | 24.7 | 20.4 |
| Orbit | ||||||
| Height of margin | 41.075 ± 2.4 | 44.6 | 39.4 | 42.550 ± 2.5 | 44.8 | 38.8 |
| Width of margin | 35.327 ± 2.2 | 37.0 | 32.7 | 35.862 ± 2.2 | 37.4 | 32.9 |
| Depth of orbit | 47.732 ± 4.6 | 55.4 | 38.8 | 48.396 ± 4.7 | 55.7 | 38.7 |
*(r-r): retina to retina.
**(s-s): sclera to sclera.
***Myopia.
****Emmetropia.
*****Hypermetropia.