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Figure 2 Th1 (IL2, INFγ)/Th2 cytokine (IL5, IL4, IL10) ratio in tears of treated and non‐treated patients. There was a significant increase (*p<0.05; **p<0.01) in the Th1/Th2 cytokine ratio in glaucoma‐treated patients compared with controls. The increase in the secretion of Th1 cytokines in the treated group was greater than the increase in Th2 cytokines.
