A second stage and combined study confirmed the association of r</span>s12785878 DHCR7 TT genotype and T allele with ocular Behçet disease(P = 3.28E-04 with Bonferroni correction; odds ratio, 1.506; 95% confidence interval, 1.248 to 1.818; and P = 2.82E-05 with Bonferroni correction; odds ratio, 1.339; 95% confidence interval, 1.188 to 1.508, respectively).