| Adverse event | 0.5 sec n/N (%) |
0.1 sec n/N (%) |
RR (95% CI) |
| Pre‐retinal or vitreous haemorrhage | 4/24 (17%) | 6/20 (30%) | 0.56 (0.18 to 1.70) |
| Macular thickening | 0/24 (0%) | 2/20 (10%) | 0.17 (0.01 to 3.31) |
| Combined rhegmatous and traction retinal detachment requiring pars plana vitrectomy | 1/24 (4%) | 0/20 (0%) | 2.52 (0.11 to 58.67) |