Extended wear contact lenses and corneal ulcers.
D003262:Contact Lenses, Extended-Wear / Q000009:adverse effects*; D003263:Contact Lenses, Hydrophilic / Q000009:adverse effects*; D003320:Corneal Ulcer / Q000209:etiology*; D006801:Humans; D014481:United States; D014486:United States Food and Drug Administration