light therapy

noun

Definition of light therapy

  1. :  the treatment of medical or psychiatric conditions (such as seasonal affective disorder) by the controlled application of light —called also light treatment, phototherapy

1935

First Known Use of light therapy

1935


Medical Dictionary

light therapy

noun

Medical Definition of light therapy

  1. :  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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