IL9 and age-related macular degeneration: It is important to highlight that IL-9 (rs1859430, rs2069870, rs11741137, rs2069885, and rs2069884) and IL-10 (rs1800871, rs1800872, and rs1800896) gene variants, as well as serum IL-9 and IL-10 levels, have never been studied in AMD, in the Lithuanian population, and our study was the first of its type.