Ocular palsy

Background

Eye movements by extra-ocular muscles and cranial nerve innervation

Figure showing the mode of innervation of the recti lateralis from CNII.

Right eye

Types

• Third nerve palsy
• Fourth nerve palsy
• Sixth nerve palsy

Clinical Features

Complete (isolated) third nerve palsy showing (a) left-sided ptosis, (b) restricted adduction movement of left eyeball, and (c) normal abduction movement of left eyeball.

Limitation of abduction of the right eye when looking to the right.

See Also

• Cranial nerve abnormalities
• Diplopia