From the Food and Drug Administration.
Nightingale
S L
SL
D003262:Contact Lenses, Extended-Wear / Q000009:adverse effects*; D004345:Drug Industry / Q000592:standards*; D006801:Humans; D007634:Keratitis / Q000209:etiology; D013810:Therapeutic Equivalency; D014481:United States; D014486:United States Food and Drug Administration