PAX6 and isolated aniridia: Several other studies have detected aniridia-associated PAX6 mutations in 30% (9/30) of Mexican patients [29], 56% of Indian patients [30], 67% (4/6) of Thai patients [31], 38%–58% (3/8–14/24) of German patients [32,33], 50% (2/4) of Japanese patients [34], 79% (30/38) of Danish patients [35], and 83%–94% (10/12–67/71) of British patients [9,36].