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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
Among other amenities, the resort will have floor-to-ceiling glass windows, ski-in/ski-out access, cryotherapy, light therapy, and a hyperbaric chamber.
—Madeline Fitzgerald, Quartz, 4 Nov. 2024
But aside from providing Jason Voorhees-from-the-future photo ops, LED light therapy masks promise a more lasting impression: glowy skin with less acne.
—Erika Stalder, refinery29.com, 24 Oct. 2024
The benefits of this kind of light therapy are good for anyone and everyone, but of particular use for those who are on their feet often or simply want more support.
—Alexandra Harrell, Sourcing Journal, 2 Oct. 2024
Studies have found that bright light therapy might work best along with antidepressants.
—Anuradha Varanasi, Forbes, 4 Nov. 2024
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Word History
First Known Use
1987, in the meaning defined above
Dictionary Entries Near light therapy
Cite this Entry
“Light therapy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20therapy. Accessed 22 Nov. 2024.
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
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