List of what causes uveitis and conditions for which uveitis symptoms are related. If you want to know, "Why do I have uveitis?" consider that uveitis can be caused by a number of illnesses. This is a list of diseases that uveitis is a symptom of, including diseases associated with uveitis. What diseases cause uveitis? List features items like Red eye, Crohn's disease. This list of diseases with uveitis as a symptom is in alphabetical order with images when available, though it can also be sorted. If you could say "I am experiencing uveitis," please consult a physician.