eye defects Flashcards
1
Q
Homonymous hemianopia incongruous
A
lesions of optic tract
2
Q
homonymous hemianopia congruous
A
lesion of optic radiation or occipital cortex
3
Q
homonymous hemianopia with macular sparring
A
lesion of the occipital cortex
4
Q
homonymous quadrantanopa superior
A
superior: lesion of the inferior optic radiations in the temporal lobe (Meyer’s loop)
5
Q
homonymous quadrantanopia inferior
A
inferior: lesion of the superior optic radiations in the parietal lobe
6
Q
bitemporal hemianopia
A
optic chiasm
7
Q
bitemporal hemianopia UQ>LQ
A
inferior chiasmal compression - pituitary tumour
8
Q
bitemporal hemianopia LQ>UQ
A
lower quadrant defect > upper quadrant defect = superior chiasmal compression, commonly a craniopharyngioma
