CXCL8 and uveitis: Secondly, adjunctive analysis of the CXCL13, CXCL10 and CXCL8 levels in the AH of patients with uveitis can be of value in the diagnosis and treatment of uveitis, either as part of a routine workup and assessment of the response to treatment or to confirm or refute a diagnosis of ocular syphilis.