Partial or complete blindness affecting only one half of the visual field in one or both eyes.
From 'hemi-' plus 'amaurosis' (from Greek 'amauros,' dim or obscure). This condition describes vision loss patterns that reveal where the damage is in the visual pathways.
Your eyes send information to both sides of your brain—if someone goes blind in the right half of their vision even though both eyes work, it means the problem is in the brain, not the eyes!
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