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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
Consider using a Happy Light (light therapy box) to compensate for the lack of sunlight.
—Dominique Fluker, Essence, 17 Dec. 2024
While traditional light therapy boxes have been the go-to remedy for years, a new contender is catching attention: light therapy glasses.
—Sandra Rose Salathe, Flow Space, 13 Dec. 2024
This innovative tool harnesses the power of light therapy to brighten and plump the skin, effectively reducing fine lines and wrinkles while providing instant soothing relief.
—Claire Rutter, Rolling Stone, 12 Dec. 2024
Once only available in dermatologist offices and med spas, red and LED light therapy devices have become increasingly accessible for the average skin care enthusiast over the past few years, thanks to at-home devices like masks and portable wands.
—Amy Wilkinson, SELF, 5 Dec. 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 15 Jan. 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
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