Light therapy (also known as phototherapy) is a way to treat seasonal affective disorder (SAD) by exposure to intense levels of artificial light under controlled conditions. Seasonal affective disorder is a form of depression that tends to occur on a regular basis at a certain time each year, usually during the winter months. Using a light therapy box may also help with non-seasonal depression and sleep disorders.
Treatment consists simply of sitting in front of the light box with eyes open. Light boxes produce a bright light that simulates daylight. They can read, write or eat while seated in front of the box.
Like any medical treatment, a light box should only be used under the supervision of your doctor.
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