<qa>  What is the primary outcome of this study?The goal of this study is to evaluate patients with primary retinal vasculitis disorders. We will compare this group of patients with two additional types of uveitis patients with retinal vasculitis; patients with Behcets syndrome and HIV patients undergoing HAART therapy with immune recovery uveitis. Patient evaluations will consist of the following procedures: a full ocular examination, fluorescent angiogram study, blood collection and therapy. Patient blood samples will be studied to evaluate the presence of three types of biological markers 1 cytokines, chemokines or adhesion molecules, 2 autoantibodies and 3 infectious agents. The primary outcome of this study is the identification of biological markers in patients with retinal vasculitis. 