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Updated: Jun 22, 2026

Using Retinal Imaging to Study Dementia
Published on: November 6, 2017
[The Charles Bonnet syndrome and dementia]
E De Baerdemaeker1, F Bouckaert, H D'Haenen
1Landsbond van Liberale Mutualiteiten te Brussel. elsdebaerdem@hotmail.com
Charles Bonnet syndrome (CBS) causes visual hallucinations in visually impaired individuals. This case explores the complex relationship between CBS and dementia, presenting differing medical opinions.
Area of Science:
- Neurology
- Ophthalmology
- Geriatrics
Background:
- Charles Bonnet syndrome (CBS) is characterized by visual hallucinations in individuals with vision loss.
- Dementia is a progressive cognitive decline affecting memory, thinking, and behavior.
Observation:
- An 83-year-old visually impaired woman presented with complex visual hallucinations.
- Her clinical presentation strongly suggested Charles Bonnet syndrome (CBS).
Findings:
- The case highlights the diagnostic challenge in differentiating CBS from early dementia symptoms.
- Exploring the potential overlap and distinct features of CBS and dementia is crucial.
Implications:
- Understanding the relationship between CBS and dementia can improve diagnostic accuracy.
- Further research is needed to clarify the neurobiological links and management strategies for patients with both conditions.
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