TNF and Schnyder corneal dystrophy: The study aimed to determine the effect of IL-10 (-1082G > A, rs1800896) and (-819 C > T, rs1800871), and TNF-α-308G > A (rs1800629), TNF-β + 252 A > G (rs909253) polymorphisms on oxidative stress and IL10 levels in Ugandan SCD patients from Mulago hospital.