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Syndrome reference sheet
Generated 12 Oct 2026
Ophthalmology · Ophthalmology / Neuro-ophthalmology

Charles Bonnet syndrome

Also known as: Visual release hallucinations

Complex visual hallucinations with preserved insight in visually impaired people.

Medical specialty
Ophthalmology
Subspecialty
Ophthalmology / Neuro-ophthalmology
Sex & age distribution
Male: affected; Female: affected, slight female predominance; Children: rare
Gene(s) involved
None recorded

Etiology & mechanism

Deafferentation-related cortical hyperexcitability.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (4)

faces or patterns seenformed visual hallucinationspreserved insightvision loss
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.