title: Incidence of keratoconus in spring catarrh.
mesh_terms: D003233:Conjunctivitis, Allergic / Q000150:complications*; D003430:Cross-Sectional Studies; D006801:Humans; D007597:Jordan; D007640:Keratoconus / Q000209:etiology*; D009216:Myopia / Q000209:etiology