The analysis of the cytokine pattern of AqH and sera in the study confirmed previous observations describing elevated IL-18 and IFN-γ levels in the AqH (Zhao et al., 2015; Lacomba et al., 2000), and an elevated serum IFN-γ level in B27+ AAU patients during active uveitis (Chen et al., 2015; Lacomba et al., 2000). Here, IL18 is linked to uveitis.