Light therapy

Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections. Treating skin conditions such as neurodermatitis, psoriasis, acne vulgaris, and eczema with ultraviolet light is called ultraviolet light therapy.

See also: Photodynamic therapy and Photothermal therapy
Not to be confused with Low-level laser therapy.
"Light box" redirects here. For other uses, see Lightbox (disambiguation).
Light therapy
Example of light therapy for winter depression
ICD-10-PCS6A6, GZJ
ICD-999.83, 99.88
MeSHD010789
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