abducens nerve palsy

Abducens nerve palsy, or sixth nerve palsy, results in weakness of the ipsilateral lateral rectus muscle.

Clinical presentation

Patients present with horizontal diplopia with an inability to abduct the ipsilateral eye, thereby resulting in an esotropia (nasal deviation of the eye).

Pathology

The abducens nerve has the longest subarachnoid course of all the cranial nerves.

Etiology

See also