light therapy

noun

: the treatment of medical or psychiatric conditions (such as seasonal affective disorder) by the controlled application of light

called also light treatment, phototherapy

Examples of light therapy in a Sentence

Recent Examples on the Web

Some of the tools used in cognitive behavioral therapy include light therapy lamps, wake-up lights and sound machines. —Bestreviews, Chicago Tribune, 16 June 2026

Other options at the spa range from LED light therapy to custom cryotherapy experiences, but the Dior Light Suite is by far the standout, and the only one at a Parisian Palace hotel. —Lane Nieset, Travel + Leisure, 12 June 2026

Other options, such as red light therapy caps, are non-invasive devices that use low-level light therapy to stimulate hair follicles and increase density. —Tribune News Service, Baltimore Sun, 30 Apr. 2026

According to the brand, the mask even delivers enhanced light therapy to your T-zone (forehead and nose) and U-zone (jawline, chin, and cheeks) to better target fine lines, oiliness, and breakouts. —Clara McMahon, PEOPLE, 28 Apr. 2026

Word History

First Known Use

1987, in the meaning defined above

Rhymes for light therapy

• brachytherapy
• chemotherapy
• cryotherapy
• hydrotherapy
• hypnotherapy
• monotherapy
• phototherapy
• psychotherapy
• sclerotherapy
• immunotherapy
• pharmacotherapy
• physiotherapy

Medical Definition

light therapy

noun

: 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