What is 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 called?

phototherapy — 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's 1913.)

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