Cataract surgery tests capacity for change.
D002387:Cataract Extraction / Q000191:economics / Q000295:instrumentation / Q000639:trends*; D003363:Cost Control; D004059:Diffusion of Innovation; D006801:Humans; D007909:Lenses / Q000191:economics*; D007910:Lenses, Intraocular / Q000191:economics*; D008329:Managed Care Programs / Q000191:economics; D009873:Operating Rooms / Q000191:economics*; D010818:Practice Patterns, Physicians'; D014481:United States