IL9 and glaucoma: Among these cytokines, the median concentrations of IL-10 (p=0.050), IL-12 (p=0.003), IFN-γ (p=0.002), IFN-α (p=0.034), IL-9 (p=0.032), and CXCL9 (p=0.006) were also significantly higher in the glaucoma group (Figure 1).