TGFB2 and open-angle glaucoma: We used 500 pg/mL TGF-β2 to modify the effective TGF-β2 levels in AH, such that the mean values of aqueous total TGF-β2 were 1751.3 ± 452.6 pg/mL in the control group and 2293.3 ± 592.7 pg/mL in the POAG group (Fig. 1C).