MMP9 and open-angle glaucoma: A significant association was observed between the GG genotype of the non-synonymous MMP9 variant (rs17576; c.836A>G; p.Gln279Arg) and patients with PACG (OR 3.73 [95% CI=1.59–8.86]; p<0.001), and to a lesser extent with patients with POAG (OR=2.34 [95% CI=1.09–5.05]; p=0.01; Table 4).