Oculomotor Nerve Palsy

The oculomotor nerve is one of your 12

cranial nerves

. It is also known as the third cranial nerve. It is the nerve responsible for moving your eyeballs around, positioning your eyelids and

pupils

, and focusing your eyes. Many conditions can affect the third cranial nerve and cause its

palsy

. When it's paralyzed, you will suffer from double vision, drooping eyelid, and inability to move your eye in certain directions. This can happen due to diseases that affect the

blood supply to the nerve

, trauma, surgery, and compressing

aneurysm

or

tumor

.
Diagnosis of oculomotor nerve palsy is made by neurological examination. Your doctor might order some images and tests to establish the underlying cause.
Symptoms

Deviated eye

common

Droopy eyelids

  • One eyelid

common

Double vision

  • Sudden

  • Improves when one eye is closed

common

Headache

  • Rapidly developing

  • Chronic or persistent pain, Recurrent

  • Tension around forehead, Tight band-like pain around the head and neck

Unequal pupil sizes

Risk factors

High blood pressure disease

Diabetes mellitus

  • Type 1, Type 2

High levels of fats in blood

Head injury

History of vasculitis

An abnormal focal dilation of an artery in the brain

Migraine

Head surgery

Brain cancer

Treatment
Treatment of oculomotor nerve palsy is directed towards the underlying cause. Emergency surgery could be performed if a life-threatening condition is suspected to be the cause.
Recommended specialist

If you have Oculomotor Nerve Palsy, then a visit to a neurologist is highly recommended.

Contact a

Neurologist

Support

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