TXNRD2 (rs35934224) CT genotype and primary open-angle glaucoma: correspondenceReply to "TXNRD2 (rs35934224) CT genotype and primary open-angle glaucoma: correspondence"Primary open-angle glaucomaGenome-wide association analysis identifies TXNRD2, ATXN2 and FOXC1 as susceptibility loci for primary open-angle glaucomaGenome-wide association study of primary open-angle glaucoma in continental and admixed African populations.