The term hemimetamorphopsia comes from the Greek words hèmi (half), metamorphoun (to change the form), and opsis (seeing). It is used to denote a type of "metamorphopsia (i.e. a visual distortion) characterized by a selective distortion of one half of an object or face - although in the latter case the neologism hemiprosopometamor-phopsia may be more appropriate.
   Nijboer, T.C.W., Ruis, C., van der Worp, H.B., de Haan, E.H.F. (2008). The role of Funktionswandel in metamorphopsia. Journal of Neu-ropsychology, 2, 287-300.

Dictionary of Hallucinations. . 2010.

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  • hemiprosopometamorphopsia —    see hemimetamorphopsia …   Dictionary of Hallucinations

  • metamorphopsia —    The term metamorphopsia comes from the Greek words metamorphoun (to change the form) and opsis (seeing). It translates roughly as seeing an altered form . It is not clear who introduced the term, but it appears in a medical lexicon as early as …   Dictionary of Hallucinations