Performance of surgeons
HT
The task completion time [seconds, median (IQR)] was significantly longer when using the HT loupes in the PT compared to the surgeons’ own loupes and the LT loupes [own, 45 (41–49); LT, 46 (42–53); HT 57 (44–62); LT vs. HT, Task completion time of three simulated surgical tasks of the 19 participants compared among the surgeons’ own surgical loupes, the low-tilt loupes, and the high-tilt loupes. For each box, the middle line represents the median value; the upper and lower edges of the box denote the upper and lower quartiles; the upper edge and lower edge of the whiskers denote the nonoutlier maximum and minimum; and outliers are marked with +. Significant differences are indicated with 