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Meaning of hemianopsia

hem•i•a•nop•si•a

Pronunciation: (hem"ē-u-nop'sē-u), [key]
— n. Ophthalm.
  1. any of several conditions in which there is blindness in half of the visual field, involving one or both eyes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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