Escitalopram for antipsychotic nonresponsive visual hallucinosis: eight patients suffering from Charles Bonnet syndrome.

Background: The Charles Bonnet syndrome (CBS) is characterized by distinct visual hallucinations and ocularpathology causing visual impairment in patients with insight and the absence of psychiatric comorbidity. The number of reported cases of CBS is expanding as the population ages and the prevalence of vision disorders increases. Antipsychotic medications are often prescribed.