noun
also light treatment
: phototherapy ; especially : the use of strong light (as of 10,000 lux intensity) for the treatment of depression and gloom (as in seasonal affective disorder)
noun
also light treatment
: phototherapy ; especially : the use of strong light (as of 10,000 lux intensity) for the treatment of depression and gloom (as in seasonal affective disorder)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012