Initially, he observed symptoms of the syndrome in his 87-year-old grandfather, who was nearly blind from cataracts, yet still “saw” men, women, birds, carriages, buildings, scaffolding, and tapestries before his eyes. To better understand this reluctance, it’s helpful to learn the basics about Charles Bonnet Syndrome (CBS), including its causes, symptoms, and experimental treatments and therapies that have shown promise in treating CBS.Ĭharles Bonnet (Ma– May 20, 1793) was a Swiss naturalist and philosopher and the first person to describe the syndrome.
Many vision professionals believe that a significant number of adults with vision loss from a variety of eye conditions, including macular degeneration, diabetic retinopathy, and glaucoma, experience Charles Bonnet (“Bo-NAY”) Syndrome, a condition that causes vivid, complex, recurring visual hallucinations, usually (but not only) in older adults with later-life vision loss.īy some estimates, as many as 20-30% of adults with vision loss are affected by CBS, although actual numbers are difficult to determine, since few people who experience these symptoms are likely to discuss them with family members, friends, or physicians. Duffy, M.S., CVRT Engraving of Charles Bonnet Charles Bonnet Syndrome: Why Am I Having These Visual Hallucinations?īy Maureen A.
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