Judged: two independent readers; copy check clear.
hemianopia
hemianopia Hemianopia is a partial or complete loss of vision in one half of the visual field in one or both eyes.
Hemianopia is a partial or complete loss of vision in one half of the visual field in one or both eyes. It can affect the same side in both eyes, the nasal or temporal halves of both eyes, or only the upper, lower, or quarter portion of the visual field.