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Pure homonymous hemiachromatopsia

Findings with neuro-ophthalmologic examination and imaging procedures
  • Hans W. Kölmel
Article

Summary

The study describes neuro-ophthalmologic findings in two patients with brain infarction who developed homonymous hemiachromatopsio with resolution to pure homonymous achromatopsia in an upper quadrant. All other visual parameter were normal; only color perimetry was capable of demonstrating the visual disorder. The results arc presented with special emphasis on the maculae region. Computed tomography studies and magnetic resonance imaging revealed lesions in the caudal and medial occipitotemporal gyri as well as in adjacent cortical regions. The lesions were secondary to disordered circulation in a proximal occipitotempora branch of the posterior cerebral artery. The anatomical findings and functional relations of color vision it man are discussed in the light of animal findings.

Key words

Homonymous hemiacromatopsia Medial occipitotemporal gyrus Color perimetry 

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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • Hans W. Kölmel
    • 1
  1. 1.Department of NeurologyFreie Universität BerlinBerlin 19Germany

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