CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search Visual release hallucinations Classification and external resources Specialty Psychiatry Patient UK Visual release hallucinations Visual release hallucinations , also known as Charles Bonnet syndrome (CBS) , is the experience of complex visual hallucinations in a person with partial or severe blindness . First described by Charles Bonnet in 1760, [ 1 ] [ 2 ] it was first introduced into English-speaking psychiatry in 1982. [ 3 ] 1 Signs and symptoms 2 Causes 3 Prognosis 4 Treatment 5 History 6 Society and culture 7 See also 8 References 9 External links Signs and symptoms [ edit ] Mentally healthy people with significant vision loss may have vivid, complex recurrent visual hallucinations (fictive visual percepts). One characteristic of these hallucinations ...