Editing Visual release hallucinations (section)

{{Short description|Experience of hallucinations by blind people}}
{{Infobox medical condition (new)
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| synonyms        = Charles Bonnet syndrome (CBS)
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| field           = [[Psychiatry]], [[ophthalmology]], [[optometry]], [[neurology]]
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'''Visual release hallucinations''', also known as '''Charles Bonnet syndrome''' or '''CBS''', are a type of psychophysical [[visual impairment|visual disturbance]] in which a person with partial or severe [[blindness]] experiences visual [[hallucination]]s.

First described by [[Charles Bonnet]] in 1760,<ref name="deMorsier1967">{{Cite journal |last=de Morsier |first=G |year=1967 |title=Le syndrome de Charles Bonnet: hallucinations visuelles des vieillards sans deficience mentale |trans-title=Charles Bonnet syndrome: visual hallucinations of the elderly without mental impairment |journal=Ann. Méd.-Psychol. |language=fr |volume=125 |pages=677–701}}</ref><ref name="Vukicevic/Fitzmaurice">{{Cite journal |last1=Vukicevic |first1=Meri |last2=Fitzmaurice |first2=Kerry |year=2008 |title=Butterflies and black lacy patterns: The prevalence and characteristics of Charles Bonnet hallucinations in an Australian population |journal=Clinical & Experimental Ophthalmology |volume=36 |issue=7 |pages=659–665 |doi=10.1111/j.1442-9071.2008.01814.x |pmid=18983551 |s2cid=205492511}}</ref> the term ''Charles Bonnet syndrome'' was first introduced into English-speaking [[psychiatry]] in 1982.<ref>{{Cite journal |last1=Berrios |first1=German E. |last2=Brook |first2=Peter |year=1982 |title=The Charles Bonnet Syndrome and the Problem of Visual Perceptual Disorders in the Elderly |journal=Age and Ageing |volume=11 |issue=1 |pages=17–23 |doi=10.1093/ageing/11.1.17 |pmid=7041567}}</ref>  A related type of hallucination that also occurs with lack of visual input is the [[closed-eye hallucination]].