Dictionary

light therapy

noun

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
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First Known Use of LIGHT THERAPY

1936
Medical Dictionary

light therapy

noun

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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