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By Mayo Clinic staffThe cause of uveitis often can't be determined. However, in some people, uveitis is associated with:
- Autoimmune disorders, such as rheumatoid arthritis or ankylosing spondylitis
- Inflammatory disorders, such as Crohn's disease or ulcerative colitis
- Infections such as syphilis, toxoplasmosis or tuberculosis
- Eye injury
- Certain cancers, such as lymphoma, that have an indirect effect on the eye