Blindness and visual impairment: a public health issue for the future as well as today.
Ferris
Frederick L
FL
Tielsch
James M
JM
D001766:Blindness / Q000453:epidemiology* / Q000517:prevention & control; D006293:Health Promotion; D006801:Humans; D015995:Prevalence; D015980:Public Health Practice; D014481:United States / Q000453:epidemiology; D015354:Vision, Low / Q000453:epidemiology* / Q000517:prevention & control; D019987:Persons with Visual Disabilities / Q000534:rehabilitation / Q000706:statistics & numerical data*