title: Keratoconus associated with chromosome 13 ring abnormality.
authors.forename: C J
authors.initials: CJ
authors.lastname: Heaven
authors.forename: F
authors.initials: F
authors.lastname: Lalloo
authors.forename: E
authors.initials: E
authors.lastname: Mchale
mesh_terms: D000328:Adult; D002882:Chromosomes, Human, Pair 13 / Q000235:genetics*; D005260:Female; D006801:Humans; D007621:Karyotyping; D007640:Keratoconus / Q000235:genetics*; D012303:Ring Chromosomes; D014792:Visual Acuity