Aniridia 2, also known as aniridia type 2, is related to aniridia 1 and wilms tumor, aniridia, genitourinary anomalies, and impaired intellectual development syndrome. An important gene associated with Aniridia 2 is ELP4 (Elongator Acetyltransferase Complex Subunit 4), and among its related pathways/superpathways is Mesodermal commitment pathway. Affiliated tissues include eye and kidney, and related phenotypes are iris coloboma and cataract