title: IOL prices level off after 3 years.
mesh_terms: D002387:Cataract Extraction / Q000191:economics; D003625:Data Collection; D017721:Hospital Costs / Q000639:trends*; D006801:Humans; D007910:Lenses, Intraocular / Q000191:economics*; D008421:Materials Management, Hospital / Q000191:economics; D014481:United States