light therapy


: 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 The results The results of LED light therapy are cumulative. Sophie Cockett, Glamour, 12 June 2024 Suitable for all skin types, this facial can be customized with booster and LED light therapy to target pigmentation, aging, and other skin concerns. India Espy-Jones, Essence, 4 June 2024 Also on offer: yoga and other healing modalities that incorporate sound, light therapy, and breath work. Cnt Editors, Condé Nast Traveler, 31 May 2023 My facials incorporate vibration therapy, a light chemical peel, oxygen therapy, microcurrent, extractions if needed, LED light therapy, cryotherapy, as well as a few other things. India Espy-Jones, Essence, 3 May 2024 See all Example Sentences for light therapy 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'light therapy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1987, in the meaning defined above

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

Dictionary Entries Near light therapy

Cite this Entry

“Light therapy.” Dictionary, Merriam-Webster, Accessed 24 Jun. 2024.

Medical Definition

light therapy

: 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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