Table 2 Optic nerve sheath diameter (ONSD) and optic nerve sheath diameter/ transverse diameter of the eyeball (ONSD/ ETD)
From: Optic nerve sheath diameter at high altitude: standardized measures in healthy volunteers
Right eye ONSD average (cm) | Left eye ONSD average (cm) | Right eye ONSD/ETD | Left eye ONSD/ETD | |
|---|---|---|---|---|
Mean | 0.443 | 0.448 | 0.222 | 0.227 |
Median | 0.449 | 0.454 | 0.225 | 0.228 |
IQR | 0.36–0.51 | 0.36–0.51 | 0.17–0.25 | 0.18–0.25 |
Min | 0.288 | 0.285 | 0.04 | 0.04 |
Max | 0.7 | 0.69 | 0.49 | 0.56 |