Blindness or loss of vision in half of the visual field of one or both eyes.
From Greek hemi- (half) + ablepsía (blindness), derived from a- (without) + blepsis (vision). This medical term describes a specific type of partial vision loss.
Someone with hemiablepsia can see clearly in one half of their visual field but nothing in the other—it's neurologically different from regular blindness and helps doctors pinpoint whether the problem is in the eye or brain.
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