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A man wearing a Retina UK tshirt holding a phone handset to his left ear

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The content on this site will have answered some of your queries about inherited sight loss and associated syndromes, but everyone’s circumstances are different and you may have further questions.

An illustration of Charles Bonnet syndrome. Thanks to Jeremy Webb Photography

Charles Bonnet syndrome

Charles Bonnet syndrome (CBS) causes people who have lost a lot of sight to see things that aren’t real (hallucinations).