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Medicine

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Neurology

Question
2 out of 25
 

In superior quadrantic hemianopia site of lesion in which lobe



A Frontal
B Parietal

C Temporal
D Occipito

Ans. C

Temporal

SECOND CRANIAL NERVE (OPTIC NERVE) –

Localization –

Fig: Visual pathways and field detects.

Lesions in optic pathway

1). Compression of chiasma

Bitemporal hemianopia Q

2). Optic tract lesion

C/L Homonymous hemianopia Q

3). Lesions in optic radiation in temporal lobe

Superior quadrantic homonymous hemianopia Q(Meyer’s loop)

4). Lesions in optic radiation in parietal lobe

Inferior quadrantic homo. homonymous Q

5). Occipital cortex

1). Homonymous hemianopia with macular sparing. Q

2). Cortical blindness

Note:In Right optic tract lesion there is left homomymous hemianopia

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