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Abnormal Eye Movements (Nystagmus)

What is nystagmus?

Nystagmus is constant, rapid eye movements that you cannot control. The movements may be in any direction. Most often, eyes move from side to side, but they may also move up and down or even in circles.

What is the cause?

Nystagmus may be something you are born with. Nystagmus may also be caused by:

  • Eye problems such as strabismus, retinopathy, or cataracts
  • Medicines used to treat seizures or some mental health problems
  • A head injury, brain tumor, or a stroke
  • Albinism, which is a lack of color in the eyes, and sometimes in the skin and hair
  • Multiple sclerosis
  • Problems with your inner ear

Sometimes, no cause can be found.

What are the symptoms?

Symptoms may include:

  • Eye movements that you cannot control
  • Dizziness, trouble with your balance, or holding your head in a turned or tilted position
  • Blurry vision, trouble seeing in low light or being bothered by bright lights
  • Feeling like everything around you is shaking

These symptoms may come and go.

How is it diagnosed?

Your healthcare provider will ask about your symptoms and medical history and do exams and tests such as:

  • An exam using a microscope with a light attached, called a slit lamp, to look closely at the front and back of your eye
  • Testing and recording your eye movements
  • CT scan, which uses x-rays and a computer to show detailed pictures of your brain and eye
  • MRI, which uses a strong magnetic field and radio waves to show detailed pictures of your brain and check for swelling, stroke, or tumors

You may be referred to a specialist for treatment.

How is it treated?

The treatment of nystagmus depends on its cause. If your healthcare provider thinks that it is related to medicine you are using, you may be switched to a different medicine. Tumors may be treated with steroids, radiation or surgery. Your provider will treat eye problems or prescribe glasses to correct vision problems.

Your healthcare provider may recommend eye muscle surgery to decrease the symptoms of nystagmus.

Medicines may be prescribed to help relax eye muscles.

How can I take care of myself?

Follow the full course of treatment your healthcare provider prescribes. Ask your healthcare provider:

  • How and when you will hear your test results
  • How long it will take to recover
  • What activities you should avoid and when you can return to your normal activities
  • How to take care of yourself at home
  • What symptoms or problems you should watch for and what to do if you have them

Make sure you know when you should come back for a checkup.

How can I prevent nystagmus?

In most cases, nystagmus cannot be prevented.

Reviewed for medical accuracy by faculty at the Wilmer Eye Institute at Johns Hopkins. Web site: http://www.hopkinsmedicine.org/wilmer/

Developed by RelayHealth.
Published by RelayHealth.
Copyright ©2014 McKesson Corporation and/or one of its subsidiaries. All rights reserved.

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