eye defects

Question 1

Homonymous hemianopia incongruous

Answer 1

lesions of optic tract

Question 2

homonymous hemianopia congruous

Answer 2

lesion of optic radiation or occipital cortex

Question 3

homonymous hemianopia with macular sparring

Answer 3

lesion of the occipital cortex

Question 4

homonymous quadrantanopa superior

Answer 4

superior: lesion of the inferior optic radiations in the temporal lobe (Meyer’s loop)

Question 5

homonymous quadrantanopia inferior

Answer 5

inferior: lesion of the superior optic radiations in the parietal lobe

Question 6

bitemporal hemianopia

Answer 6

optic chiasm

Question 7

bitemporal hemianopia UQ>LQ

Answer 7

inferior chiasmal compression - pituitary tumour

Question 8

bitemporal hemianopia LQ>UQ

Answer 8

lower quadrant defect > upper quadrant defect = superior chiasmal compression, commonly a craniopharyngioma