_:vb50942013 . _:vb50942013 . _:vb50942013 . _:vb50942013 "A congenital fibrosis of the extraocular muscles that is characterized by bilateral ptosis and restrictive ophthalmoplegia with the globes fixed in extreme abduction (exotropia) and that has_material_basis_in homozygous mutation in the ARIX gene on chromosome 11q13."^^ . _:vb50942013 . _:vb50942013 "url:https://pubmed.ncbi.nlm.nih.gov/11600883/"^^ .