title: [Charles Bonnet syndrome].
abstract: BACKGROUND
  Charles Bonnet syndrome is characterised by complex visual hallucinations in patients who have visual disturbances but no cognitive disorders. The diagnosis is often missed.
  
  
  METHODS
  An 88-year-old vital woman was referred to the emergency department due to anxiety and restlessness. Her symptoms began after she had started using antipsychotic drugs for visual hallucinations. The patient's visual acuity appeared to be markedly reduced. The antipsychotics were discontinued and the reason behind the patient's symptoms was explained to her: Charles Bonnet syndrome. The anxiety and restlessness disappeared and the frequency of the hallucinations declined.
  
  
  CONCLUSIONS
  This patient had Charles Bonnet syndrome. If visual hallucinations occur for the first time after the 40th year of life, a somatic cause should first be ruled-out. Refraining from treating Charles Bonnet syndrome with pharmacological agents is advised in light of their many side effects and little evidence of being beneficial for this condition.
authors.affiliation: St. Antonius Ziekenhuis, afd. Interne geneeskunde, Nieuwegein, the Netherlands. lotte_jacobs@hotmail.com
authors.forename: Lotte
authors.initials: L
authors.lastname: Jacobs
authors.forename: Frederiek
authors.initials: F
authors.lastname: van den Bos
authors.forename: Monique M
authors.initials: MM
authors.lastname: Samson
mesh_terms: D000369:Aged, 80 and over; D014150:Antipsychotic Agents / Q000009:adverse effects / Q000627:therapeutic use; D003072:Cognition Disorders / Q000175:diagnosis* / Q000523:psychology; D003937:Diagnosis, Differential; D005260:Female; D006212:Hallucinations / Q000175:diagnosis* / Q000523:psychology; D006801:Humans; D013577:Syndrome; D014786:Vision Disorders / Q000175:diagnosis* / Q000523:psychology
chemical_list: D014150:Antipsychotic Agents