Surgeon | Refractive error (average spherical dioptres) | Level of training | Time to complete task with HMD3: attempt 1 (min:s) | Time to complete task with HMD3: attempt 2 (min:s) | Time to complete task with conventional microscope: attempt 1 (min:s) | Time to complete task with conventional microscope: attempt 2 (min:s) |
1 | −3.25 | Third-year resident | 7:06 | 5:36 | 4:43 | |
2 | −6 | Attending | 4:32 | 3:51 | ||
3 | 0 | Third-year resident | 6:00 | 5:01 | ||
4 | −1 | Second-year resident | 6:52 | 5:43 | 3:52 | 3:56 |
5 | −8 | First-year resident | 8:30 | 6:51 | ||
6 | −6 | Second-year resident | 7:38 | 5:21 | ||
7 | +0.50 | Attending | 4:39 | 3:25 |
Surgeons were measured based on time to completion of four 3-1-1 interrupted knots on an iatrogenically created laceration in a latex suture practice board. This surgical task was performed using both a conventional operating microscope and the prototype HMD3.
HMD3, head-mounted display 3.