- Gamma-D crystallin gene (CRYGD) mutation causes autosomal dominant congenital cerulean cataracts. Nandrot, E., Slingsby, C., Basak, A., Cherif-Chefchaouni, M., Benazzouz, B., Hajaji, Y., Boutayeb, S., Gribouval, O., Arbogast, L., Berraho, A., Abitbol, M., Hilal, L. J. Med. Genet. (2003)