Orbital measurements in patients with LS compared with healthy controls
| Orbital Parametersa | LS (n = 9) | Controls (n = 20) | |||||
|---|---|---|---|---|---|---|---|
| Mean | Range | SD | Mean | Range | SD | P ≤ | |
| Globe diameter (cm) (F) | 2.2 | 2–2.5 | 0.17 | 2.5 | 2.9–2.0 | 0.2 | .002 |
| Interzygomatic distance (cm) (A) | 7.7 | 8.2–7.0 | 0.4 | 9.1 | 8.5–9.7 | 0.3 | .001 |
| Angle of orbit (degrees) (D) | 55 | 50–60 | 3.5 | 42 | 33–51 | 4.5 | .001 |
| Anterior diameter of orbit (cm) (G) | 3 | 2.8–3.5 | 0.2 | 3 | 2.5–3.6 | 0.3 | NS |
| Length of lateral wall (cm) (E) | 3.6 | 4.2–3.1 | 0.4 | 3.9 | 3.4–4.4 | 0.3 | .03 |
| Medial interorbital distance (cm) (H) | 2.2 | 1.8–2.6 | 0.3 | 2.7 | 2.2–3.1 | 0.2 | .001 |
| Anterior globe to interzygomatic distance (cm) (B) | 1.9 | 1.1–2.5 | 0.4 | 1.5 | 1.1–1.9 | 0.2 | .003 |
| Posterior globe to interzygomatic distance (cm) (C) | 0.5 | −0.4–2.4 | 0.8 | 1 | 0.5–1.2 | 0.3 | .002 |
| Thickness of fat in superior orbit (cm) | 0.8 | 0.4–1.3 | 0.3 | 1.7 | 1.3–2.6 | 0.3 | .001 |
| Anterior diameter of orbit/globe diameter | 1.37 | 1.2–1.5 | 0.12 | 1.22 | 0.9–1.7 | 0.17 | .03 |
| Length of lateral wall/globe diameter | 1.61 | 1.2–1.5 | 0.23 | 1.55 | 0.9–1.5 | 0.19 | NS |
a The upper case letters in parentheses refer to the lines in Figs 1 and 2.