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The Epidemiology of Visual Disability Studies of Visually Disabled People in the Community

Cullinan, T. R.

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  • Nhan đề:
    The Epidemiology of Visual Disability Studies of Visually Disabled People in the Community
  • Tác giả: Cullinan, T. R.
  • Chủ đề: H Social Sciences (General) ; RA0421 Public health. Hygiene. Preventive Medicine ; HV Social pathology. Social and public welfare
  • Mô tả: Review of the world literature on attempts to discover how many people are disabled by poor sight suggested that estimates of prevalence and cause have been constantly hampered by differences of definition, and the difficulties inherent in equating reduced visual acuity with the hardship that it actually causes to each individual in his whole social environment. Attempts have been made to overcome these difficulties by population survey techniques using both self identification alone and self identification followed by visual acuity measurement, but they have seldom covered whole populations and have usually been constrained by the relatively low level of acuity by which most countries define their blind and partially sighted people. Other approaches, through registers and hospital records, though sometimes providing a more comprehensive picture of the diseases leading to poor sight, have not fully analysed the social and other processes leading to selection and have not therefore been able to provide population estimates of prevalence. On the other hand, purely social studies, while sometimes comprehensive, have always used a low level of sight - usually 'blindness' - as a starting point and have tended to ascribe all hardship to the single cause without exploring the possible relationships with other disabling conditions.
  • Nơi xuất bản: Centre for Health Services Studies
  • Năm xuất bản: 1977

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