title: A tale of two systems.
authors.forename: George L
authors.initials: GL
authors.lastname: Spaeth
mesh_terms: D001766:Blindness / Q000453:epidemiology; D002681:China / Q000453:epidemiology; D003695:Delivery of Health Care / Q000458:organization & administration*; D003955:Diagnostic Tests, Routine; D018166:Health Care Reform / Q000191:economics / Q000458:organization & administration* / Q000639:trends; D006291:Health Policy; D006801:Humans; D011300:Preoperative Care; D014481:United States / Q000453:epidemiology