Charles Bonnet Syndrome News and Research

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Study reveals a brain mechanism underlying visual hallucinations in the blind

Some people have lost their eyesight, but they continue to "see." This phenomenon, a kind of vivid visual hallucination, is named after the Swiss doctor, Charles Bonnet, who described in 1769 how his completely blind grandfather experienced vivid, detailed visions of people, animals and objects.

7 Jan 2021

Fight for Sight awards new grants for 13 vital eye research projects

Fight for Sight, the leading eye research charity, has awarded grants totaling over £180,000 for thirteen vital research projects in partnership with nine different organizations.

2 Feb 2018

Charles Bonnet syndrome: an interview with Dr. Dominic ffytche

Charles Bonnet syndrome is the name we give to the visual hallucinations associated with eye disease. There are lots of different causes of visual hallucinations. Many different medical problems and medications can cause them, but, when the cause is eye disease, it's referred to as Charles Bonnet Syndrome after Charles Bonnet, who was a natural philosopher in the 18th century.

2 Nov 2015

Supporting people with macular degeneration: an interview with Dennis Lewis, AMD Alliance International

Once depression sets in, it's very hard to combat. Combinations of medication and talking therapy can help deal with that, but it can be tough when people reach rock bottom and that certainly does happen with macular degeneration...

28 Apr 2015

Professor of neurology outlines case studies of hallucinations of musical notation

Professor of neurology, physician, and author Oliver Sacks M.D. has outlined case studies of hallucinations of musical notation, and commented on the neural basis of such hallucinations, in a new paper for the neurology journal Brain.

5 Apr 2013

Composer Fr-d-ric Chopin probably had temporal lobe epilepsy

The composer Fr-d-ric Chopin, who regularly hallucinated, probably had temporal lobe epilepsy throughout his short life, reveals research published online in Medical Humanities. Hallucinations typically feature in seizure disorders, they say.

25 Jan 2011

Veterans with TBI vision loss have poor quality of life compared to civilian patients

Pan-American Association of Ophthalmology (PAAO) Joint Meeting, includes a Veterans Administration study that indicates that Iraq and Afghanistan veterans with vision loss from traumatic brain injury have significantly poorer quality of life than comparable civilian patients, and a Harvard doctor's insights on how to best evaluate and care for low-vision patients who experience vivid visual hallucinations due to Charles Bonnet syndrome.

28 Oct 2009