Dark therapy

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Dark therapy is the practice of keeping people in complete darkness for periods of time in an attempt to treat psychological conditions. [1][2]

The idea originated in 1998 from research which suggested that systematic exposure to darkness might alter people's mood.[3] More recently, with the discovery of intrinsically photosensitive retinal ganglion cells, it has been hypothesized that similar results could be achieved by blocking blue light, as a potential treatment for bipolar disorder. [4] [5]

See also[edit]


  1. ^ [unreliable medical source?]Barbini, B.; Benedetti, F.; Colombo, C.; Dotoli, D.; Bernasconi, A.; Cigala-Fulgosi, M.; Florita, M.; Smeraldi, E. (February 2005). "Dark therapy for mania: a pilot study". Bipolar Disord. 7 (1): 98–101. doi:10.1111/j.1399-5618.2004.00166.x. PMID 15654938. 
  2. ^ [unreliable medical source?]Phelps, J. (2008). "Dark therapy for bipolar disorder using amber lenses for blue light blockade". Med. Hypotheses. 70 (2): 224–9. doi:10.1016/j.mehy.2007.05.026. PMID 17637502. 
  3. ^ Phelps J (2016). "A powerful non-pharmacologic treatment for mania - virtually". Bipolar Disord (Commentary). 18 (4): 379–82. doi:10.1111/bdi.12393. PMID 27218661. 
  4. ^ Henriksen, Tone; Skrede, Silje; Ole, Fasmer; Schoeyen, Helle; Leskauskaite, Ieva; Bjørke‐Bertheussen, Jeanette; Assmus, Jörg; Hamre, Børge; Grønli, Janne; Lund, Anders (26 May 2016). "Blue‐blocking glasses as additive treatment for mania: a randomized placebo‐controlled trial". Bipolar Disorders. 18 (3): 221–232. doi:10.1111/bdi.12390. 
  5. ^ Zagorski, Nick (18 August 2016). "Blue Light–Blocking Glasses May Reduce Bipolar Mania". Psychiatric News. American Psychiatric Association. Retrieved 24 April 2018.