title: Overnight orthokeratology induces irregular corneal astigmatism.
authors.forename: Thomas
authors.initials: T
authors.lastname: Kohnen
mesh_terms: D001251:Astigmatism / Q000209:etiology*; D003261:Contact Lenses / Q000009:adverse effects*; D003315:Cornea / Q000473:pathology*; D006801:Humans; D009216:Myopia / Q000628:therapy*; D013997:Time Factors