Results of the secondary outcome measures
| No (%) | Mean (range) | |
| BCVA improvement≥0.1 logMAR | 16 (51.6) | |
| Revascularisation seen on ocular angiography | ||
| Day 14 | 15 (48.4) | |
| Day 21 | 27 (87.1) | |
| No revascularisation | 4 (12.9) | |
| Treatment initiated (anticoagulant or antiplatelet) | ||
| Yes | 7 (22.6) | |
| No | 10 (32.3) | |
| NA | 14 (45.2) | |
| Concomitant stroke revealed on CT scan | ||
| Yes | 0 (0) | |
| No | 31 (100) | |
| Time between the ocular symptoms and the first HBOT session | ||
| <12 hours | 10 (32.3) | |
| >12 hours | 21 (67.7) | |
| Time between the referral to the hyperbaric department and the first hyperbaric session | ||
| <1 hour | 28 (90.3) | |
| >1 hour | 3 (9.7) | |
| HBOT-induced barotrauma | ||
| Yes | 6 (19.4) | |
| No | 25 (80.6) | |
| Arterial hypertension during HBOT session | ||
| Yes | 9 (29.0) | |
| No | 22 (71.0) | |
| Hyperbaric session regimen | ||
| Once daily | 3 (9.7) | |
| Twice daily | 28 (90.3) | |
| OCT | ||
| CMT at day 0 | 342.8 (243–800) | |
| CMT at day 30 | 280.8 (225–508) | |
| p value | p=0.009 | |
| EDI-OCT | ||
| SCT at day 0 | 228.0 (117–400) | |
| SCT at day 30 | 214.9 (103–357) | |
| P value | p=0.560 | |
| OCT-angiography | ||
| VD at day 0 | 40.5 (36.6–49.5) | |
| VD at day 30 | 41.6 (36–48.1) | |
| P value | p=0.905 | |
BCVA, best-corrected visual acuity; CMT, central macular thickness; EDI, enhanced depth imaging; HBOT, hyperbaric oxygen therapy; logMAR, logarithm of the minimum angle of resolution; OCT, optical coherence tomography; SCT, subfoveal choroidal thickness; VD, vessel density.