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.

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.

See Also

• Cranial nerve abnormalities
• Diplopia