Homonymous-hemianopsia is a neurological visual field defect in which both eyes lose the same half of their visual fields. Typically resulting from brain injury, it causes a contralateral (opposite-side) hemianopia that can affect left or right visual fields. The term combines Greek roots for 'same' and 'body' with 'hemianopia' (half-vision) and is used in clinical neurology and ophthalmology discussions.
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