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October 1998

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Arch Neurol. 1998;55(10):1285-1286. doi:10.1001/archneur.55.10.1285

IN THIS issue of the ARCHIVES, River et al1 describe 6 patients with an unusual and interesting phenomenon called reversal of vision (RVM). This is a rare transient form of visual metamorphopsia in which patients see things upside down or rotated 180° in the coronal plane. Five of the 6 patients in the study had parietal lobe lesions, 4 had a brainstem lesion, and 5 had an ocular motility disorder. Although these are interesting observations, the brain mechanisms that account for these clinical phenomena have not been entirely elucidated.

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