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Table 2 Pupillary constriction and subjective indices during the three light conditions

From: Effect of quantity and intensity of pulsed light on human non-visual physiological responses

Condition HS condition MM condition LL condition
Pupillary constriction
 After exposure 5 s Mean 40.45* 41.37* 32.10
SD 5.31 7.14 6.80
 After exposure 4 min Mean 42.87* 41.69* 34.13
SD 6.66 7.51 7.06
 After exposure 8 min Mean 42.61* 42.70* 34.62
SD 4.68 9.03 10.78
 Blueness (VAS) Mean 57.74 54.41 51.29
SD 18.05 23.27 19.33
 Concentration (VAS) Mean 27.30* 3.76 1.72
SD 20.99 18.85 17.31
 KSS Mean −0.02 0.10 −0.03
SD 0.15 0.27 0.14
 Sleepiness (VAS) Mean −0.05 0.08 0.34
SD 0.31 0.50 0.51
  1. SD standard deviation
  2. *p < 0.05 compared with LL condition