Cataracts and blindness.
Murray
A
A
D000368:Aged; D001766:Blindness / Q000191:economics / Q000209:etiology / Q000517:prevention & control*; D002386:Cataract / Q000150:complications / Q000191:economics / Q000517:prevention & control*; D002387:Cataract Extraction / Q000191:economics / Q000706:statistics & numerical data; D003362:Cost-Benefit Analysis; D006801:Humans; D007391:International Cooperation; D008875:Middle Aged; D009313:National Health Programs / Q000458:organization & administration*; D013019:South Africa; D015351:Vision Screening / Q000458:organization & administration