6th Nerve Palsy

Question 1

Signs

Answer 1

Convergent strabismus at rest
Diplopia on lateral gaze, outmost finger disappears on side of lesion during cover test
Weak abduction

Question 2

Causes

Answer 2

Bilateral:

• Wernickes
• Trauma
• raised ICP
• mononeuritis multiplex

Unilateral:

CENTRAL:

• vascular
• tumour
• wernickes
• MS

PERIPHERAL:

• Dm
• Trauma
• Idiopathic