Light therapy is the use of a high-intensity fluorescent lamp
(usually 10,000 lux) to treat certain types of depression that occur during the
fall and winter months (seasonal affective disorder). These lamps are usually
available in health food or lighting fixture stores.
for light therapy are about 10 to 20 times as bright as ordinary indoor
lighting. A person sits in front of the light for at least 30 minutes a day.
Some people sit in the light for as long as 2 hours. A person can usually read,
use a computer, or do other types of desk work while sitting in front of the
Kathleen Romito, MD - Family Medicine & Alfred Lewy, MD, PhD - Psychiatry
The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.