Fig. 2

a Graphical representation of personalities in the uveitis group versus the control group. Note the almost equal occurrence of S, A, and N traits in both groups, the absence of trait U in the uveitis group, and the negligible presence of I in the control group. Note the high bar of trait O in the uveitis group in comparison with the control, which is statistically significant. b Graphical representation of personalities in HLA-B27-related uveitis and other uveitic entities. Orange bar represents patients tested negative for HLA-B27. Note the high occurrence of trait C in HLA-B27-related uveitis