Postural and diurnal IOP fluctuation in normal subjects
| Sitting IOP (mm Hg) | Supine IOP (mm Hg) | Mean PF | |
|---|---|---|---|
| 09:00 | 13.6±2.1 | 16±2.4 | 2.4±1.7 |
| 16:30 | 13.9±2.4 | 15.8±2.6 | 1.9±1.8 |
| 22:00 | 13.5±2.0 | 15.5±2.6 | 2.0±2.2 |
| 04:30 | 14±2.6 | 16.5±2.6 | 2.5±1.6 |
| Average PF | 2.2±1.1 |
IOP, intraocular pressure; PF, postural fluctuation.