_:vb50942019 . _:vb50942019 "A congenital fibrosis of the extraocular muscles that has_material_basis_in homozygous or compound heterozygous mutation in the COL25A1 gene on chromosome 4q25."^^ . _:vb50942019 "url:https://pubmed.ncbi.nlm.nih.gov/25500261/"^^ . _:vb50942019 . _:vb50942019 . _:vb50942019 .