title: Corneal edema from hard and hydrogel contact lenses.
mesh_terms: D003261:Contact Lenses / Q000009:adverse effects*; D003263:Contact Lenses, Hydrophilic / Q000009:adverse effects*; D003316:Corneal Diseases / Q000175:diagnosis / Q000209:etiology*; D004487:Edema / Q000175:diagnosis / Q000209:etiology*; D006801:Humans