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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The other key plot point is Farrah’s use of stroboscopic light therapy to stimulate brain activity and neural responses. David Rooney, The Hollywood Reporter, 13 Feb. 2025 Plus, while red, blue, and near-infrared light therapy has been cleared by the FDA, other colors haven’t. Victoria Song, The Verge, 7 Jan. 2025 Even though people suffering from SAD leverage light therapy and vitamin D, in addition to psychotherapy and antidepressants to help alleviate symptoms, Black women are still more susceptible to feeling the effects of SAD, according to Jenet Dove, a licensed counselor. Dominique Fluker, Essence, 17 Dec. 2024 Treatment is available for SAD and includes medications, vitamin D supplements, talk therapy, and light therapy. Lana Barhum, Verywell Health, 4 Dec. 2024 See All Example Sentences for light therapy

Word History

First Known Use

1987, in the meaning defined above

Time Traveler
The first known use of light therapy was in 1987

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Cite this Entry

“Light therapy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20therapy. Accessed 4 Mar. 2025.

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

Last Updated: - Updated example sentences
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