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Table 2 Photometrical measures of the light exposures

From: Impact of a single, short morning bright light exposure on tryptophan pathways and visuo- and sensorimotor performance: a crossover study

Photometrical measures [unit] Office light (OL) Bright light (BL)
Corneal intensity-related measures
 Photopic illuminance [lux] 150 ± 32 5000 ± 455
 Irradiance [μW/cm2] 59.18 1972.53
 Photon flux [1/cm2/s] 1.61 × 1014 5.37 × 1015
Photopigment-related measures (α-opic lux) [34] at mean illuminance levels
 Cyanopic illuminance [lux] 160.73 5357.65
 Melanopic illuminance [lux] 152.88 5096.14
 Rhodopic illuminance [lux] 154.17 5138.83
 Chloropic illuminance [lux] 153.19 5106.38
 Erythropic illuminance [lux] 147.36 4912.04
  1. Illuminance values: mean ± standard deviation