Diagnosis

A doctor specializing in eye care, called an ophthalmologist, will likely do a complete eye exam and gather a thorough health history. The eye exam usually involves the following:

  • Vision test. A vision test, also called a visual acuity test, uses eye charts to measure how well you can read a series of letters. One eye is tested at a time, while the other eye is covered.
  • Microscopic exam. Your eye doctor may use a specialized microscope to look at the outer eye and structures inside the eye. This exam is often done with a device called a slit lamp. It uses bright light and a microscope to see precise details of structures or irregular changes in your eye. With this exam, you may have eye drops to enlarge your pupils.
  • Intraocular pressure test. This test measures the pressure inside your eye. There are multiple devices available to do this.

Your eye doctor may order other tests to rule out other types of uveitis or other eye conditions. These include:

  • Color photography. of the inside of the eye.
  • Optical coherence tomography (OCT) imaging. These images map the retina and choroid to reveal inflammation in these layers.
  • Fluorescein angiography or indocyanine green angiography. These tests require placement of an intravenous tube, also called an IV, in a vein in your arm. The IV delivers a dye that goes to the blood vessels in the eyes. The dye allows for detailed photographs of inflamed blood vessels inside the eyes.
  • Analysis of fluids from the eye.

Your eye doctor or primary healthcare professional will likely order tests to find possible causes of iritis. Tests may include:

  • Blood tests to look for possible infections.
  • Genetic tests to look for links to possible autoimmune diseases.
  • X-rays to look for signs of diseases that may cause iritis.

More Information

Treatment

The treatment goals for iritis are to reduce inflammation, lessen symptoms, and prevent vision loss or other complications.

Most often, treatment for iritis involves:

  • Steroid eyedrops. Corticosteroid medicines, given as eyedrops, are the primary treatment for reducing inflammation and lessening symptoms.
  • Dilating eyedrops. Eyedrops that make your pupils larger for a while can lessen pain. The medicine also can prevent the pupil from sticking to the cornea or lens capsule.

If your symptoms don't clear up or if they worsen, your eye doctor may prescribe corticosteroid pills or other anti-inflammatory medicine. Your eye doctor may prescribe other medicines or refer you to other specialists to treat underlying diseases.

Your eye doctor may recommend follow-up care and monitoring.

Preparing for your appointment

Your symptoms may prompt you to make an appointment with your primary healthcare team. You may be referred to a doctor who specializes in diseases of the eyes, called an ophthalmologist.

Here's some information to help you get ready for your appointment and know what to expect from your eye doctor.

What you can do

Make a list of:

  • Your symptoms, including any that may seem unrelated to your eyes.
  • All medicines, vitamins or supplements you take, as well as the doses and the reason for taking each one.
  • Key personal information, including recent trauma or injury and your family medical history, including whether any family member has an autoimmune disease.
  • Questions to ask your eye doctor.

Take a family member or friend to your appointment, if possible, to help you remember information you're given. Also, having your pupils dilated for the eye exam affects your vision for a time afterward, so it might be helpful to have someone drive you home.

For eye symptoms, some questions to ask your eye doctor include:

  • What is likely causing my symptoms?
  • What tests will you order?
  • What should I do if my symptoms don't go away or seem to worsen?
  • I have other health conditions. How can I best manage them together?
  • Do I need to come back for follow-up exams? When?
  • Do you have brochures or other printed material I can have? What websites do you recommend?

What to expect from your eye doctor

Your eye doctor is likely to ask you several questions, such as:

  • Do you have symptoms in one or both eyes?
  • When did your symptoms begin?
  • How would you rate the pain on a scale of 1 to 10?
  • Have you noticed a change in your vision?
  • Are you sensitive to light?
  • Does bright light or reading worsen your eye pain?
  • Do you have symptoms of arthritis, such as joint pain?
  • Do you have sores in your mouth or on your genitals?
  • Are you taking medicine to treat an infection?
  • Have you had iritis before?
  • Have you been treated for other eye conditions?
July 14, 2026
  1. Salmon JF. Uveitis. In: Kanski's Clinical Ophthalmology: A Systematic Approach. 10th ed. Elsevier; 2025. https://www.clinicalkey.com. Accessed Sept. 18, 2025.
  2. Maghsoudlou P, et al. Uveitis in adults: A review. JAMA. 2025; doi:10.1001/jama.2025.4358.
  3. Maleki A, et al. Pediatric uveitis: A comprehensive review. Survey of Ophthalmology. 2022; doi:10.1016/j.survophthal.2021.06.006.
  4. Overview of uveitis. Merck Manual Professional Version. https://www.merckmanuals.com/professional/eye-disorders/uveitis-and-related-disorders/overview-of-uveitis. Accessed Sept. 18, 2025.
  5. Ferri FF. Uveitis. In: Ferri's Clinical Advisor 2026. Elsevier; 2026. https://www.clinicalkey.com. Accessed Sept. 18, 2025.
  6. Papaliodis GN. Uveitis: Etiology, clinical manifestations, and diagnosis. https://www.uptodate.com/contents/search. Accessed Sept. 19, 2025.

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