References National LIbrary of Medicine. Aniridia. Genetics Home Reference. June 2009; http://ghr. nlm. nih. gov/condition/aniridia. Accessed 3/30/2011. Hingorani M, Moore A. Aniridia. GeneReviews. August 12, 2008; http://www. ncbi. nlm. nih. gov/books/NBK1360/. Accessed 3/30/2011. 
What is (are) Aniridia ?