visual hallucination

Noun
  1. Illusory visual perception (synset 114401844)
    is a type of: hallucination - illusory perception; a common symptom of severe mental disorder
    subtypes:
    • chromatism - hallucinatory perception of colored lights
    • pink elephants - any visual hallucination arising from heavy drinking
    • zoopsia - visual hallucination of animals; sometimes occurring in delirium tremens

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