_:vb50942757 . _:vb50942757 . _:vb50942757 . _:vb50942757 "A cataract that has_material_basis_in heterozygous mutation in the CRYBA2 gene on chromosome 2q35."@en . _:vb50942757 "url:https://pubmed.ncbi.nlm.nih.gov/23508780/"^^ . _:vb50942757 .