Left superior homonymous quadrinopia
optic radiation is found in both the temporal lobe and the parietal lobe.
In a patient with a left superior homonymous quadrinopia,
the lesion is likely to be in the temporal lobe. Left inferior homonymous
quadrinopia is seen in lesion of the parietal lobe.
During the examination:
Remember to describe the visual field as the patient sees
it. Mention if the field defect is congruous (behind the lateral geniculate
body) or incongruous (in the optic tract).
Look for other neurological signs such as hemiplegia from
Additional examination (the followings are related
to lesion in the parietal lobe):
if the patient has a right inferior quadrinopia, mention
that you would like to test the patient for Gertmann's syndrome. What is