HTRA1 and age-related macular degeneration: In this study, we analyzed six SNPs in the early AMD, exudative AMD, and control groups and found statistically significant differences in the genotype distribution of ERCC6 rs3793784, HTRA1 rs11200638, and KCTD10 rs56209061 in early and/or exudative AMD groups compared to the control group (Table 3).