Table 3.
Randomized trials evaluating efficacy of surgical simulators in improving surgical performance as measured by the same simulator.
| Study | Design (OCEBMa level) | Intervention group | Control group | Participants | Simulated task |
| Bergqvist (2014) [38] | Randomized trial (1b) | EyeSi training (n=10) | No EyeSi training (n=10) | Medical students | Cataract surgery |
| Thomsen (2017b) [39] | Randomized trial (2b) | EyeSi training (n=6) | No EyeSi use (n=6) | Eye residents | Cataract surgery, vitreoretinal surgery |
| Selvander (2012) [40] | Randomized trial (2b) | EyeSi cataract navigation training first (n=17) | EyeSi capsulorhexis training first (n=18) | Medical students | Capsulorhexis, cataract navigation |
aOCEBM: Oxford Centre for Evidence-Based Medicine.