| http://purl.uniprot.org/diseases/637 | http://www.w3.org/2000/01/rdf-schema#comment | "A severe dystrophy of the retina, typically becoming evident in the first years of life. Visual function is usually poor and often accompanied by nystagmus, sluggish or near-absent pupillary responses, photophobia, high hyperopia and keratoconus."xsd:string |