Contact lenses: boon or bain?
D003262:Contact Lenses, Extended-Wear / Q000009:adverse effects*; D003263:Contact Lenses, Hydrophilic / Q000009:adverse effects*; D003320:Corneal Ulcer / Q000209:etiology; D006801:Humans; D009216:Myopia / Q000628:therapy; D010353:Patient Education as Topic; D011552:Pseudomonas Infections