Definition of light therapy
: the treatment of medical or psychiatric conditions (as seasonal affective disorder) by the controlled application of light —called also light treatment, phototherapy
First Known Use of light therapy
Medical Definition of light therapy
: 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)—called also light treatment
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Medical Dictionary: Definition of "light therapy"
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