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Charles Bonnet syndrome


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Charles Bonnet syndrome causes you to see things that are not real (hallucinations). But you do not hear, smell or feel things that are not there.

There's no cure for Charles Bonnet syndrome, but the hallucinations usually improve over time.

You can help Charles Bonnet syndrome hallucinations by changing the lighting, doing eye exercises or trying to touch the hallucinations.

Charles Bonnet syndrome is caused by a reaction the brain has to vision loss. You're more likely to get it if your sight suddenly gets worse.

If you have Charles Bonnet syndrome, support is available from charities like Royal National Institute of Blind People (RNIB) and The Macular Society.

Charles Bonnet syndrome is a condition where you see things that are not real (hallucinations) because of problems with your sight.

Page last reviewed: 17/11/2022
Next review due: 17/11/2025