Definition & Meaning of "phototherapy"in English

What is "phototherapy"?

Phototherapy is a medical treatment that uses light to treat various conditions. This can involve exposing the skin to specific types of light, such as ultraviolet (UV) light, to help manage or cure conditions like jaundice in newborns, certain skin disorders, such as psoriasis or eczema, and seasonal affective disorder. The light used in phototherapy is carefully controlled and administered by healthcare professionals to ensure it is both safe and effective for the condition being treated.