Abducens nerve palsy
- Most common ocular nerve palsy
- Innervates the ipsilateral lateral rectus muscle controlling eye abduction
- Esotropia of the affected eye due to the unopposed action of the medial rectus muscle.
Patients with a CN VI palsy frequently present with diplopia and esotropia. They may have a head turn to help correct their diplopia.
- Giant Cell Arteritis
- Medial Orbital Fracture (with entrapment of the medial rectus muscle)
- ocular Myasthenia Gravis
- Miller-Fisher Syndrome Guillian-Barre Syndrome
- Congenital Esotropia
- CT/MRI Brain
- Lyme Titer
Dispo appropriate to etiology, consult either Neuro or Ophtho.