A Leber congenital amaurosis that is characterized by a relatively severe phenotype, with maculopathy and marked bone-spicule pigmentary retinopathy in most and keratoconus and cataract in a large subset and that has_material_basis_in mutation in the AIPL1 gene on chromosome 17p13. [ http://purl.obolibrary.org/obo/ECO_0007645 ]