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

Berner admitted that she's dabbled in some of the trends, including light therapy but hasn't undergone a laser treatment yet. —Michelle Lee, PEOPLE, 19 Sep. 2025

If natural light is scarce, a light therapy lamp can mimic the effects of sunlight and be a great tool for an energy boost. —Bryan Robinson, Forbes.com, 16 Sep. 2025

One of its most unique offerings includes the Happiness treatment, a light therapy session that's exclusive to Dior Spa's NYC location. —Asa Canty, Travel + Leisure, 9 Sep. 2025

The medical literature is replete with studies documenting the healing effects of light therapy on all kinds of wounds, including surgical incisions, burns, and diabetic ulcers. —Jolene Edgar, Allure, 8 Sep. 2025

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