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Section: Health and therapies

Subsection: Alternative Therapies

Light Therapy

Using light as an alternative therapy

Light therapy or phototherapy consists of exposure to daylight or to specific wavelengths of light using lasers, light-emitting diodes, fluorescent lamps, dichroic lamps or very bright, full-spectrum light—by a so-called light box. The light is administered for a prescribed amount of time and, in some cases, at a specific time of day.


Light therapy directed at the skin is used to treat acne vulgaris and neonatal jaundice. Light therapy which strikes the retina of the eyes is used to treat certain sleep problems and can also be used to treat seasonal affective disorder and other psychiatric disorders. For further information click here.