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Definition of: hemianopsia
(hem′ē·ə·nop′sē·ə) noun Pathol.
A paralysis, partial or total, of some of the fibers of the optic nerve, with the result that part of the field of vision is obscured or obliterated in one or both eyes. Also hem′i·a·no′pi·a (-nō′pē·ə). [<NL <Gk. hēmi- half + an- without + ōps eye]
—hem′i·a·nop′tic (-nop′tik) adjective
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