Internuclear Opthalmoplegia Flashcards
1
Q
What is it a disorder of?
A
Conjugate lateral gaze ie motion of eyes both in same direction
2
Q
What impairment does the affected eye show?
A
Impairment of adduction when attempt to gaze contralaterally (relative to the affected eye)
The contralateral eye abducts with nystagmus
3
Q
What does the divergence of the eyes lead to?
A
Horizontal diplopia
4
Q
What causes it?
A
Injury of dysfunction in the medial longitudinal fasiculus MLF
5
Q
Is the MLF heavily myelinated or not?
A
Yes it is heavily myelinated
6
Q
In young patients with bilateral INO what is often the cause?
A
MS
7
Q
In older patients with one sided lesion, what is often the cause?
A
Stroke
