Table 3.

Median (IQR) Times for Bioptic Use Timing Variables for Noncurrent and Current Drivers

Driving Status	Time from Sign to Head Tilt Down (s)	Total Duration of Bioptic Use (s)	Duration of Downward Head Movement (s)	Duration of Upward Head Movement (s)
Noncurrent (n = 6)	0.75 (0.60–0.92)	2.95 (1.90–3.12)	0.50 (0.47–0.57)	0.70 (0.47–1.05)
Current (n = 10)	0.82 (0.57–1.30)	1.66 (1.30–1.90)	0.38 (0.33–0.40)	0.48 (0.38–0.57)
All participants (n = 16)	0.75 (0.57–1.08)	1.86 (1.50–1.97)	0.42 (IQR 0.33–0.50)	0.51 (0.40–0.68)