visual hallucination

English Thesaurus

1. illusory visual perception (noun.state)

hypernym	:	hallucination,
definition	:	illusory perception; a common symptom of severe mental disorder (noun.state)

hyponym	:	chromatism,
definition	:	hallucinatory perception of colored lights (noun.state)

hyponym	:	pink elephants,
definition	:	any visual hallucination arising from heavy drinking (noun.state)

hyponym	:	zoopsia,
definition	:	visual hallucination of animals; sometimes occurring in delirium tremens (noun.state)