Visual Field Defects Flashcards

1
Q

Name the visual defect
-prechiasmal optic nerve lesion
-common causes

A

Ipsilateral monocular VFD

Optic neuritis
Eye stroke
Optic atrophy
Trauma

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2
Q

Name the visual defect
-central optic chiasm
-common causes

A

Bitemporal hemianopia

Pituitary adenoma
Suprasellar aneurysm

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3
Q

Name the visual defect
-lateral optic chiasm
-common causes

A

Ipsilateral monocular nasal hemianopia

Distended 3rd ventricle
ICA/PCA atheroma

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4
Q

Name the visual defect
-optic tract
-common causes

A

Contralateral homonymous hemianopia

MCA stroke
Tumours

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5
Q

Name the visual defect
-optic radiation
-common causes

A

Contralateral homonymous quadratopia
Parietal Inferior, Temporal Superior

MCA stroke
Tumour
Trauma

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6
Q

Name the visual defect
-occipital cortex
-common causes

A

Contralateral homonymous hemianopia with macular sparing

PCA stroke
Trauma

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7
Q

If the visual defect is symmetrical, where is the lesion

A

Somewhere behind the chiasm

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