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  • Change in the perceived form of an object.
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    • Micropsia (lilliputian hallucination): objects appear to be smaller than they are
    • Macropsia: objects appear to be larger than they are
    • Causes of Dysmegalopsia

    • Benign - especially if perceived only while falling asleep (hypnagogic) or waking up (hypnopompic).
    • Retinal disease
    • Disorders of accomodation
    • Temporal / parietal lesions
    • Schizophrenia
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