FOXE3 and congenital primary aphakia: Homozygous and/or compound heterozygous mutations have been identified: in Forkhead Box E3 (FOXE3) in several families affected with nonsyndromic microphthalmia, often accompanied by aphakia and anterior segment anomalies [15-19]; in Retina and Anterior Neural Fold Homeobox Gene (RAX) in two probands with nonsyndromic anophthalmia [20,21]; and in Stimulated by Retinoic Acid 6 (STRA6) in syndromic A/M patients [22-24].