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Genetic and Rare Diseases Information Center (GARD)

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Charles Bonnet syndrome


Other Names for this Disease

  • CBS
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Overview

Charles Bonnet syndrome (CBS) refers to the presence of visual hallucinations in individuals with visual acuity loss without having psychosis or dementia.[1][2] The condition is likely caused by the brain continuing to interpret images, even in their absence.[3][4] Underlying conditions of vision loss associated with Charles Bonnet syndrome are diverse (including conditions such as macular degeneration and stroke) and may affect the eye, optic nerve, or brain. Hallucinations often resolve if the underlying vision deficit is corrected and can also remit in some individuals with static or progressive vision loss. Treatment is individualized.[1]
Last updated: 1/4/2013

References

  1. Victoria S Pelak. Visual release hallucinations (Charles Bonnet syndrome). UpToDate. Waltham, MA: UpToDate; 2012;
  2. Bou Khalil R, Richa S. [Psychiatric, psychological comorbidities of typical and atypical Charles-Bonnet syndrome]. Encephale. December 2011; 37(6):473-480.
  3. Charles Bonnet syndrome. Lighthouse International. http://www.lighthouse.org/about-low-vision-blindness/vision-disorders/charles-bonnet-syndrome/. Accessed 7/15/2011.
  4. P. Ricard. Vision loss and visual hallucinations: the Charles Bonnet syndrome. Community Eye Health. March 2009; 22(69):14.
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Basic Information

  • Lighthouse International, a leading resource in helping people overcome the challenges of vision loss, contains information on Charles Bonnet syndrome. Click on the link to review the information.

In Depth Information

  • PubMed is a searchable database of medical literature and lists journal articles that discuss Charles Bonnet syndrome. Click on the link to view a sample search on this topic.
Other Names for this Disease
  • CBS
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.