| Goggle | Vertical width (mm) | Horizontal width (mm) | Face area (mm2) | Rubber width (mm) | Rubber depth (mm) | mm Hg IOP rise (2 min) | mm Hg IOP rise (20 min) | ||
| Mean (SD) | n (95% CI) | Mean (SD) | n (95% CI) | ||||||
| 1 | 27 | 41 | 869 | 6.6 | 4.3 | 9.0 (5.3) | 15 (2.7) | 10.1 (5.1) | 7 (3.8) |
| 2 | 25 | 43 | 844 | 9.0 | 5.3 | 4.6 (5.2) | 15 (2.6) | – | – (–) |
| 3 | 31 | 47 | 1096 | 6.9 | 6.7 | 2.1 (2.6) | 14 (1.4) | – | – (–) |
| 4 | 29 | 52 | 1196 | 6.1 | 10.0 | 1.5 (1.9) | 15 (1.0) | 2.0 (2.2) | 7 (1.6) |
| 5 | 30 | 40 | 1022 | 0.0 | 0.0 | 1.3 (2.1) | 15 (1.1) | – | – (–) |
The goggle dimensions and mean intraocular pressure (IOP) rise induced in the right eyes of each of these goggles are presented. IOP was measured after 2 min using all goggles and after 20 min using goggles 1 and 4.