Features | Superior quadrantanopia | Inferior quadrantanopia |
Aka | Pie in the sky | Pie in the floor |
Clinical Presentation | Loss of vision in the upper quadrant of the visual field on the opposite side of the lesion | Loss of vision in the lower quadrant of the visual field on the opposite side of the lesion |
Location of Lesion | Temporal lobe lesion (Meyer's loop) | Parietal lobe lesion (Baum's loop) |
Visual Pathway Affected | Meyer's loop (fibers looping around the inferior horn of the lateral ventricle) | Baum's loop (fibers running through the parietal lobe) |
Reference:
1. Comprehensive ophthalmology, A K Khurana, 7th edition