[Visual hallucinations in elderly patients with reduced vision: Charles Bonnet syndrome]

The authors report on a 81-year-old-lady with Charles Bonnet-syndrome. This syndrome is a special form of a visual hallucinosis, which affects typically otherwise healthy, elderly people, who mostly suffer from reduced vision. Ophthalmologic and psychiatric findings are demonstrated in detail, in particular a reduced left-occipital perfusion in this syndrome is shown with a spect (single photon computed tomography) and discussed with the published literature.