CN IV: trochlear nerve Flashcards
1
Q
what is the function of the trochlear nerve?
A
innervates the superior oblique muscle of the eye (moves eye down and outwards)
2
Q
how is the trochlear nerve examined?
A
H shape pattern
look for diplopia or blurred vision
3
Q
what are the symptoms of a trochlear nerve palsy?
A
vertical diplopia
pupil moves up and inwards
head tilt away from affected side
4
Q
what conditions is a trochlear nerve palsy commonly associated with?
A
diabetes
hypotensive disease
