Home Care:

Treatment depends on the cause of the unequal pupil size. You should see a doctor if you have sudden changes in pupil size.

Call your health care provider if:

You should see a doctor if you have persistent, unexplained, or sudden changes in pupil size. The new development of different sized pupils may be a sign of a very serious condition.

If you have differing pupil size after an eye or head injury, get medical help immediately.

Always seek immediate medical attention if differing pupil size occurs along with:

• Blurred vision
• Double vision
• Eye sensitivity to light
• Fever
• Headache
• Loss of vision
• Nausea or vomiting
• Eye pain
• Stiff neck

What to expect at your health care provider's office:

Your health care provider will perform a physical exam and ask questions about your symptoms and medical history, including:

• Is this new for you or have your pupils ever been different sizes before?
• When did it start?
• What other symptoms do you have?
  • Is there a headache?
  • Is there nausea?
  • Is there vomiting?
  • Is there blurred vision?
  • Is there double vision?
  • Is there a fever?
  • Is there a stiff neck?
  • Are the eyes light-sensitive (photophobia)?
  • Is there eye pain?
  • Is there loss of vision?

Tests that may be done include:

• Blood studies such as CBC and blood differential
• Cerebrospinal fluid studies (lumbar puncture)
• CT scan of the head
• EEG
• Head MRI scan
• Tonometry (if glaucoma is suspected)
• X-rays of the neck

Treatment depends on the cause of the problem.