Vision 2020: the right to sight.
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D001766:Blindness / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control*; D005128:Eye Diseases / Q000150:complications / Q000453:epidemiology* / Q000517:prevention & control*; D014943:Global Health; D006801:Humans; D014944:World Health Organization / Q000458:organization & administration*