Defect | Localization | Associated symptoms, signs |
Homonymous sectoranopia | Lateral geniculate body | Optic atrophy, hemianesthesia, hemiparesis |
Homonymous pie-in-the-sky | Anterior temporal lobe | Receptive aphasia (dominant hemisphere) |
Homonymous quadrantanopia | Posterior optic radiations, visual cortex | Hemisensory loss, depending on lateralization: hemineglect Gerstmann's syndrome |
Homonymous paracentral scotomas | Posterior primary visual cortex | Isolated symptom |
Macular-sparing homonymous hemianopia | Primary visual cortex (sparing posterior portion) | Isolated if occipital lobe |
Temporal crescent only | Far anterior primary visual cortex | Often isolated symptom |
Temporal crescent-sparing homonymous hemianopia | Primary visual cortex (sparing far anterior portion) | Isolated symptom |
Bilateral homonymous hemianopia | Bilateral posterior optic radiations or primary visual cortex | Anton's syndrome |
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