The status of vision and vision care of homebound senior citizens not in institutions.
D000368:Aged; D006699:Home Care Services / Q000600:supply & distribution; D006801:Humans; D008875:Middle Aged; D009864:Ontario; D009907:Optometry; D011795:Surveys and Questionnaires; D014786:Vision Disorders / Q000175:diagnosis / Q000628:therapy