Price survey. IOL prices stable as uses grow.
D002387:Cataract Extraction / Q000191:economics; D003625:Data Collection; D017721:Hospital Costs / Q000706:statistics & numerical data* / Q000639:trends; D006801:Humans; D007910:Lenses, Intraocular / Q000191:economics* / Q000706:statistics & numerical data; D011682:Purchasing, Hospital / Q000191:economics; D014481:United States