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Cranial Nerves
Nisha Pungi
Created on April 8, 2022
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Transcript
IONM and CRanial nerve II
CNII
MUSCLES AND NERVES
The optic nerve enters the bony skull through the optic foramen and travels within the optic canal to reach the middle cranial fossa. Located in the middle cranial fossa is the optic chiasm. The optic nerves of both eyes meet at the optic chiasm and form the optic tracts
OUTCOMES
MODALITY USED
IONM may be used in such cases as pituitary gland tumour removals, in order to preserve the visual pathway. Optic Nerve Palsy without the implementation of IONM may also be result in vision loss.
Intra-operative monitoring by 1. ERG (Electroetinography)2. VEP (Visual Evoked Potenials)