When you visit an eye specialist (ophthalmologist), he or she will likely conduct a complete eye exam and gather a thorough health history. You may also need these tests:
Blood tests
Analysis of fluid from the eye
Photography to evaluate the retinal blood flow (angiography)
Photography to measure the thickness of the retinal tissue and to determine the presence or absence of fluid in or under the retina.
If the ophthalmologist thinks an underlying condition may be the cause of your uveitis, you may be referred to another doctor for a general medical examination and laboratory tests. Sometimes, it's difficult to find a specific cause for uveitis. However, your doctor will try to determine whether your uveitis is caused by an infection or another condition.