Socioeconomic factors and vision health in Canada.
Sit
Arthur J
AJ
D001766:Blindness / Q000453:epidemiology; D002170:Canada / Q000453:epidemiology; D004522:Educational Status; D006801:Humans; D007182:Income; D012307:Risk Factors; D012959:Socioeconomic Factors; D014785:Vision, Ocular / Q000502:physiology*; D019987:Persons with Visual Disabilities / Q000706:statistics & numerical data