• S Menkhaus, C-W Wallesch, and W Behrens-Baumann.
• Klinik für Augenheilkunde, Otto-von-Guericke Universität, Magdeburg, Germany. sabine.menkhaus@medizin.uni-magdeburg.de
• Ophthalmologe. 2003 Sep 1; 100 (9): 736-9.

BackgroundThe Charles Bonnet Syndrome (CBS) is characterized by complex visual hallucinations in psychologically normal people. It occurs frequently in elderly, visually handicapped patients.Case ReportsThree patients are presented whose age ranged between 75 and 85 years old and they had impaired vision because of age-related or myopic macular degeneration. They complained about complex visual hallucinations and all patients were aware of the unreal nature of their hallucinations. A neurological examination of two patients revealed no abnormalities and none of the patients required treatment.DiscussionAbout 12-13% of people with impaired vision have visual hallucinations. Neurologic and psychiatric diseases should be excluded before making a diagnosis of CBS which has little impact on the general feelings of well-being in the majority of patients. Many patients do not consult a doctor about CBS for fear of being considered insane. It is recommended that all patients with reduced vision are asked about visual hallucinations. Many patients will benefit from an explanation of these phenomena and the assurance of their harmless nature. Treatment of CBS is rarely needed.

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