- therapeutic exposure to full-spectrum artificial light that simulates sunlight, used to treat various conditions, as seasonal affective disorder.
Also called phototherapy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for light therapy
In fact, it appears safe to state that light-therapy often smacks of quackery.
It is used in light-therapy and in some other activities in which the chemical effects of these rays are utilized.