Definition of "phototherapy" []

• The treatment of a disorder, especially of the skin, by exposure to light, including ultraviolet and infrared radiation. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "UV light therapy, also known as phototherapy, exposes the skin to specific wavelengths of ultraviolet light."
• "And phototherapy, which is those ultraviolet purple lights, can break down the bilirubin until the baby's liver can catch up."
• "Bright light treatment BLT, also known as phototherapy, is a daily therapy consisting of spending at least 30 minutes looking indirectly at a "light box" that contains a specific kind of bright light."