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.
At-home devices Key drivers: LED/light therapy masks; microcurrent devices. Noor Lobad, WWD, 18 Feb. 2025 That being said, even research examining the effects of light therapy in treating SAD is fairly limited but there seems to be some evidence that circadian-active BLT (bright light therapy) in conjunction with medication is beneficial. Jamie Ballard, Allure, 16 Jan. 2025 People with more serious SAD who may struggle to exercise or eat healthy might find light therapy, anti-depressants, or both to be useful in managing wintertime weight gain.3 And if cold temperatures and dark days are making workouts challenging, focus on finding ways to be active indoors. Sarah Garone, Health, 17 Dec. 2024 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 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 13 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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