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Medical Term:


Pronunciation: kwah'drant-an-o'pe-a


Loss of vision in a quarter section of the visual field of one or both eyes; if bilateral, it may be homonymous or heteronymous, binasal or bitemporal, or crossed, involving the upper quadrant in one eye and the lower quadrant in the other.

Synonym(s): quadrantic hemianopia

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.