Unilateral inter-nuclear ophthalmoplegia isassociated with:
A. Reduced adduction on the affected side
B. Reduced convergence
C. Nystagmus on abduction in the affected side
D. Diplopia can occur
E. There is abnormal optico-kinetic nystagmus
A. Reduced adduction on the affected side
B. Reduced convergence
C. Nystagmus on abduction in the affected side
D. Diplopia can occur
E. There is abnormal optico-kinetic nystagmus
Ans. A,D,E
Unilateral internuclear ophthalmoplegia:
• Results from a lesion in the medial longitudinalfasciculus
between the sixth nerve and third nerve nuclei
• Causes failure of the ipsilateral medial rectus to
adducton horizontal gaze
• There is nystagmus of the contralateral abducting
eye(caused by excessive innervation to the normal lateralrectus in accordance
with hering's law)[MCQ 