From the Congressional Office of Technology Assessment.
D000368:Aged; D002387:Cataract Extraction; D005902:Glaucoma, Open-Angle / Q000517:prevention & control*; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D006278:Medicare / Q000191:economics; D009907:Optometry; D011182:Postoperative Care / Q000379:methods*; D011787:Quality of Health Care; D014065:Tonometry, Ocular; D014481:United States