Up to now, six studies reported the association between the SNPs in PTGFR (rs1073611, rs10786455, rs11578155, rs12093097, rs35586449, rs3753380, rs376635, rs3766354, rs3766355, rs6672484, and rs6686438) and glaucoma with the treatment of latanoprost (McCarty et al., 2012; Sakurai et al., 2014; Gao et al., 2015; Ussa et al., 2015; Zhang et al., 2016; Cui et al., 2017). The gene discussed is PTGFR; the disease is glaucoma.