Influences of illumination conditions on visual psychology

The parameters of illumination conditions include duration, illumination intensity, color temperature and so on.Different combinations of these conditions have different effects on human beings at the visual and psychological level and are related to occurrence or prevention of psychological diseases.Extension of illumination time and phase change of circadian rhythm increase the risk of bipolar disorder; changes in daytime, night or all-day illumination intensity have psychological effects, especially exposure to light at night increases risk of depression; in addition, changes in color temperature of light also have psychological effects.This paper reviewed the effects of different illumination conditions on visual psychology.