Visual Field Defects Flashcards
Name the visual defect
-prechiasmal optic nerve lesion
-common causes
Ipsilateral monocular VFD
Optic neuritis
Eye stroke
Optic atrophy
Trauma
Name the visual defect
-central optic chiasm
-common causes
Bitemporal hemianopia
Pituitary adenoma
Suprasellar aneurysm
Name the visual defect
-lateral optic chiasm
-common causes
Ipsilateral monocular nasal hemianopia
Distended 3rd ventricle
ICA/PCA atheroma
Name the visual defect
-optic tract
-common causes
Contralateral homonymous hemianopia
MCA stroke
Tumours
Name the visual defect
-optic radiation
-common causes
Contralateral homonymous quadratopia
Parietal Inferior, Temporal Superior
MCA stroke
Tumour
Trauma
Name the visual defect
-occipital cortex
-common causes
Contralateral homonymous hemianopia with macular sparing
PCA stroke
Trauma
If the visual defect is symmetrical, where is the lesion
Somewhere behind the chiasm