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Light therapy is preferred over antidepressants in the treatment of SAD because it is a relatively safe and easy therapy. [20] Two methods of light therapy, bright light and dawn simulation, have similar success rates in the treatment of SAD. [21] It is possible that response to light therapy for SAD could be season dependent. [22]
This suggests that light therapy may be an effective treatment for SAD. [34] Light therapy uses a lightbox , which emits far more lumens than a customary incandescent lamp. Bright white "full spectrum" light at 10,000 lux, blue light at a wavelength of 480 nm at 2,500 lux or green (actually cyan or blue-green [ 35 ] ) light at a wavelength of ...
Light therapy is one treatment option for those diagnosed with Seasonal Affective Disorder (SAD), a type of depression that follows a seasonal pattern and is impacted by daylight hours, Dimitriu said.
[27] [28] Rosenthal and his colleagues treated the patient with bright lights, which helped to successfully manage the depression. [3] [24] They conducted a formal follow-up study to confirm the success. The results were published in 1984, officially describing SAD and pioneering light therapy as an effective treatment method. [29]
Light therapy has been shown in studies to have mixed results; in some studies, 20% to 50% of those diagnosed with SAD did not gain adequate relief from the use of light therapy. [22] Individuals may also explore alternative treatments if they are unable to commit to the time required and the recurrence of the treatment that is necessary. [23]
The researchers found that people who were exposed to high amounts of light at night had a 30% increased risk of developing depression, along with a higher risk of psychosis, bipolar disorder ...