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[Charles-Bonnet-syndrome]
S Menkhaus1, C-W Wallesch, W Behrens-Baumann
1Klinik für Augenheilkunde, Otto-von-Guericke Universität, Magdeburg, Germany. sabine.menkhaus@medizin.uni-magdeburg.de
Summary
Charles Bonnet Syndrome (CBS) causes visual hallucinations in visually impaired individuals. Reassurance and explanation are key, as treatment is rarely needed for this benign condition.
Area of Science:
- Ophthalmology
- Neurology
Background:
- Charles Bonnet Syndrome (CBS) involves complex visual hallucinations in psychologically healthy individuals.
- CBS is prevalent in elderly patients with visual impairments.
Observation:
- Case reports of three patients aged 75-85 with age-related or myopic macular degeneration experiencing complex visual hallucinations.
- Patients recognized the hallucinations as unreal; neurological exams were normal.
- No treatment was required for the observed cases.
Findings:
- Approximately 12-13% of visually impaired individuals experience visual hallucinations.
- CBS diagnosis requires excluding neurological and psychiatric disorders.
- The condition generally has minimal impact on patients' well-being.
Implications:
- Many patients with CBS do not seek medical advice due to fear of stigma.
- Screening all patients with reduced vision for visual hallucinations is recommended.
- Educating patients about the benign nature of CBS can alleviate distress and reduce unnecessary consultations.