Table 3 Comparison of two light conditions for the photopic illuminance and effective irradiance experienced by each of the rods, melanopsin, and S, M, and L cones.

From: Awakening effects of blue-enriched morning light exposure on university students’ physiological and subjective responses

Measure

Spectral Sensitivity

WL

BL

Photopic lux

Visibility

516.14

518.38

Rhodopic lux

Rod

463.95

581.28

Melanopic lux

Melanopsin

410.33

586.86

Cyanopic lux

S Cone

176.58

525.64

Chloropic lux

M cone

455.94

527.47

Erythropic lux

L cone

506.89

510.52