Innervation Flashcards

1
Q

Lesion before optic chiasm
Lesion at optic chiasm
Lesion after optic chasm

A

minocular blindness
bitemporal hemianopia
contralateral homonymous hemianopia

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2
Q

Testing optic nerve

A
visual acuity with correction 
light brightness 
colour appreciation - red 
pupillary reflexes 
visual field
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3
Q

Blink reflex

A

afferent - CNV1 - nasociliary nerve

efferent CNVII - facial

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4
Q

Palsies
6th nerve
4th nerve
3rd nerve

A
failure of abduction 
defective depression of the eye when in adduction 
failure of adduction 
elevation and depression of the eye 
ptosis 
and in some cases dilated pupil
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