SIX6 and open-angle glaucoma: The case–control comparison found significant associations between POAG and SNPs near CDKN2B-AS1 (P = 7.38E-05), SIX6 (P = 7.20E-03), and GAS7 (P = 1.47E-02; Table 2), taking multiple testings into consideration (Pcorrected < 1.67E-02).