Table 3 Parameters derived from chromatic pupillometry.

Mean baseline pupil size (mm)**

5.56 ± 1.0

5.30 ± 0.8

5.00 ± 0.6*

Threshold of constriction to blue light (log photons cm⁻² s⁻¹)**

11.68 ± 1.1

11.00 ± 1.1*

11.64 + 0.9

Threshold of constriction to red light (log photons cm⁻² s⁻¹)

11.65 ± 0.8

11.17 ± 1.0

11.35 ± 1.2

Redilation latency after blue light offset (s)

20.40 ± 8.4

20.75 ± 9.2

22.81 ± 8.3

Redilation latency after red light offset (s)

27.51 ± 15.6

31.22 ± 15.7

28.92 ± 17.3