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

First, a quick science lesson: LED (light-emitting diode) light therapy uses different wavelengths of visible light—each of which shows up as a different color—to treat various skin conditions. —Amy Wilkinson, SELF, 5 Dec. 2024

Treatment is available for SAD and may include medications, counseling, and light therapy. —Lana Barhum, Verywell Health, 4 Dec. 2024

Red light therapy can help stimulate collagen production to reduce fine lines and wrinkles and near-infrared light therapy restores and can rejuvenate skin for a more radiant complexion. —Nora Colomer, Fox News, 29 Nov. 2024

Find it on Amazon A Blue Light Therapy Mask to Treat Acne Treat your acne fast with this non-abrasive blue light therapy mask. —Hannah Rice, Rolling Stone, 22 Nov. 2024

Word History

First Known Use

1987, in the meaning defined above

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