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Charles Bonnet syndrome in cranio-maxillofacial surgery: case report

Authors
Publisher
Springer
Publication Date
Keywords
  • Clinic For Cranio-Maxillofacial Surgery
  • 610 Medicine & Health
Disciplines
  • Medicine

Abstract

BACKGROUND: Complex visual hallucinations in the presence of a clear mental state and in the absence of underlying neurological disorders have received increased recognition since Charles Bonnet reported visual hallucinations secondary to mature cataracts in 1760. The prevalence of Charles Bonnet syndrome (CBS) varies widely in the literature and might be underestimated in most settings. The current paper presents a case of acute-onset CBS due to a unilateral Frost suture after revision of an orbit floor fracture. CASE REPORT: A 68-year-old male patient underwent an operation to repair a unilateral orbital floor fracture and subsequent eye patching by a Frost suture. The patient complained of complex, colored visual hallucinations ∼3 h after waking from general anesthesia. The visual hallucinations stopped during sleep and reappeared in the morning. The symptoms disappeared completely ∼2 h after removal of the Frost suture. DISCUSSION: Frost sutures are commonly used in oculoplastic surgery and may result in acute onset of visual hallucinations. CBS is often neglected, and clinicians must be aware of the association between acute visual deprivation and CBS.

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