Learn About Charles Bonnet Syndrome

What is the definition of Charles Bonnet Syndrome?
Charles Bonnet syndrome (CBS) is a disease in which visual hallucinations occur as a result of vision loss. CBS is not thought to be related to psychosis or dementia and people with CBS are aware that their hallucinations are not real. The hallucinations people with CBS experience can be described as simple or complex. Simple hallucinations include shapes and patterns, while complex include images of people, vehicles, animals, and plants. Hallucination episodes can range from a few seconds to hours and may recur over the course of several days to years. The cause of CBS is not well understood, but it is thought to be related to the brain continuing to interpret images, even in their absence. There are many underlying diseases of vision loss that are associated with CBS, such as macular degeneration and stroke. Hallucinations may resolve in instances where the the underlying vision issue can be corrected (such as with cataracts).
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What are the alternative names for Charles Bonnet Syndrome?
  • Charles Bonnet syndrome
  • CBS
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The Neurochemistry and Connectivity in the Brain in Charles Bonnet Syndrome

Summary: Charles Bonnet Syndrome (CBS) is a condition in which people experience complex visual hallucinations, such as 'Acrobats balancing on bicycles' or 'Spiders crossing meals'. The condition usually occurs in people who have significant vision loss due to eye disease. The aim of this project is to help understand how these hallucinations come about. In the healthy visual system, the eye provides input...

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Patient Reported Visual Function Outcome Following Bilateral Cataract Surgery

Summary: Cataract is currently the leading cause of visual impairment worldwide with age being the most common cause of lenticular opacification. As cataract surgery is the most commonly performed elective surgery worldwide, forecasts of an increasing number of elderly individuals make it clear that efficient and evidence based models for managing cataract in the future need to be implemented to manage the...

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Published Date: May 02, 2022
Published By: Genetic and Rare Diseases Informnation Center

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