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Related Experiment Video

Updated: Jun 22, 2026

Using Retinal Imaging to Study Dementia

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Recognizing Charles Bonnet syndrome in the elderly.

Christina M Walsh¹, Olga Hilas

¹St. John's University College of Pharmacy and Allied Health Professions, Queens, New York 11439, USA.

The Consultant Pharmacist : the Journal of the American Society of Consultant Pharmacists

|June 27, 2009

Summary

Charles Bonnet syndrome (CBS) causes visual hallucinations in people with vision loss. Management involves addressing eye conditions and potential medications.

Area of Science:

Ophthalmology
Neurology
Geriatrics

Background:

Charles Bonnet syndrome (CBS) is a poorly recognized condition causing visual hallucinations in individuals with normal cognition.
It is frequently linked to eye diseases and primarily affects elderly people with visual impairment.

Observation:

Visual hallucinations in CBS are recognized by patients as unreal.
The syndrome is associated with ocular pathology and visual impairment.

Findings:

The exact cause of CBS is unknown, but it's thought to stem from nervous system dysfunction.
Neuroleptic and anticonvulsant medications may reduce hallucinations.
Treating underlying eye issues and vision rehabilitation can aid symptom resolution.

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Implications:

Accurate diagnosis of CBS is crucial for effective management.
A multidisciplinary approach combining ophthalmological, neurological, and rehabilitative strategies is beneficial.
Further research into the etiology and treatment of CBS is warranted.