Treatment with light. For example, a newborn with jaundice may be "put under the lights."
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Treatment of disease by means of light rays. SYN: light treatment.

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pho·to·ther·a·py -'ther-ə-pē n, pl -pies the application of light for therapeutic purposes

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pho·to·ther·a·py (fo″to-therґə-pe) [photo- + therapy] 1. the treatment of disease, e.g., herpes simplex, psoriasis, neonatal hyperbilirubinemia, or seasonal affective disorder, by exposure to light, especially by variously concentrated light rays or specific wavelengths. In complementary medicine, it is used as an adjunct to a wide variety of treatments, such as color therapy. Called also actinotherapy. 2. photodynamic therapy.

Medical dictionary. 2011.

Look at other dictionaries:

  • Phototherapy — Pho to*ther a*py, n. (Med.) The application of light for therapeutic purposes, esp. for treating diseases of the skin. {Pho to*the*rap ic}, {Pho to*ther a*peu tic}, a. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • phototherapy — [fōt΄ō ther′ə pē] n. the use of sunlight, lamps, or lasers to treat skin disorders, depression, etc. phototherapeutic [fōt΄ō ther΄əpyo͞ot′ik] adj …   English World dictionary

  • phototherapy — noun Date: 1899 light therapy …   New Collegiate Dictionary

  • phototherapy — phototherapic /foh toh theuh rap ik/, adj. phototherapist, n. /foh teuh ther euh pee/, n. 1. treatment of disease, esp. of the skin, by means of light rays. 2. See light therapy. [1895 1900; PHOTO + THERAPY] * * * …   Universalium

  • phototherapy — noun The use of light to treat disorders of the skin, and certain mood disorders …   Wiktionary

  • phototherapy — fəʊtəʊ θerÉ™pɪ n. treatment using light; exposure to artificial sunlight as a means of medical therapy …   English contemporary dictionary

  • phototherapy — pho·to·therapy …   English syllables

  • phototherapy — photodynamic therapy …   The new mediacal dictionary

  • phototherapy — pho•to•ther•a•py [[t]ˌfoʊ təˈθɛr ə pi[/t]] n. med the treatment of disease by means of exposure to light • Etymology: 1895–1900 pho•to•the•rap•ic ˌfoʊ toʊ θəˈræp ɪk adj. pho to•ther′a•pist, n …   From formal English to slang

  • phototherapy — /foʊtoʊˈθɛrəpi/ (say fohtoh theruhpee) noun treatment of disease by means of light rays …   Australian-English dictionary

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