cranialnerveexamination.pptx - EXAMINATION OF Cranial...

This preview shows page 1 - 9 out of 18 pages.

EXAMINATIONOF CranialNerves
Cranialnerves
CN I:OLFACTORYFunction:smellOrigin: olfactoryreceptor nerve cellsClinical test fordamage:Occlude one nostril,close eyes, anddetermine whether aperson can smellsomething aromatic(non anoxious) likecoffee, lemon, garlic
CN II:OPTICFunction: visionORIGIN: back ofeyeballClinical testsvisualacuityvisualfieldsColorvision
VISUALACUITYFar vision(snellenschart)chart is placed at 6 metersandpatient is asked to read itNear vision(Jaegers chart)COLOR VISIONishihara chart
VISUALFIELDConfrontation test:ask the pt to lookinto ur eyes while u place ur index fingerjust outside the outer limit of temporalfield. Test both eyes separately and bothtemporal and nasal fields one by one.Goldman perimetery:FUNDOSCOPYLook for blood vessels, look at optic disc-clear or blurred
CNIII:OCULOMOTOROrigin: ant surface of midbrainFunction:eye movements, opening of eyelid,constriction of pupil, focusing,proprioception

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 18 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Fall
Professor
N/A
Tags
Medulla oblongata, clinical test

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture