Aniridia-intellectual disability syndrome UMLS:C2931243 Aniridia-intellectual disability syndrome is an extremely rare autosomal dominant developmental defect of the eye described in several members of one family that is characterized by the association of moderate intellectual disability with aniridia, lens dislocation, optic nerve hypoplasia (see this term) and cataracts. There have been no further descriptions in the literature since 1974. MESH:C536568 orphanet Walker-Dyson syndrome Syndromic developmental defect of the eye Rare genetic intellectual disability with developmental anomaly Glaucoma associated with neural crest cell migration anomaly Rare cataract