• Two patients with altitudinal homonymous hemianopia caused by bilateral occipital infarctions were studied. Their clinical-computerized tomographic correlations showed the anatomic representation of the superior and inferior visual fields in the lower and upper banks of the calcarine fissure, respectively. The patient with the superior-field defect was unusual because he retained normal color vision and facial recognition abilities, despite having bilateral lesions that have classically produced central achromatopsia and prosopagnosia.
Newman RP, Kinkel WR, Jacobs L. Altitudinal Hemianopia Caused by Occipital Infarctions: Clinical and Computerized Tomographic Correlations. Arch Neurol. 1984;41(4):413–418. doi:10.1001/archneur.1984.04050160075019
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