CRP and uveitis: Since locally infiltrated inflammatory cells in the uveal tract do not usually organize themselves as lymphoid nodes and since there are no local cells with inducible or pre-designed capacity to produce pro-inflammatory cytokines (like synovial cells in peripheral joints), we hypothesize that the association of uveitis with higher CRP levels is not an expression of the local eye involvement but merely a part of a systemic involvement, which includes active IBP and possibly peripheral arthritis.