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Diseases » Astigmatism » Prevalence
 

Prevalence and Incidence of Astigmatism

Prevalance of Astigmatism:

45 million Americans (dubious estimate based on "two thirds of people with myopia also have astigmatism") ... see also overview of Astigmatism.

Prevalance Rate:

approx 1 in 6 or 16.54% or 45 million people in USA [Source statistic for calcuation: "45 million Americans (dubious estimate based on "two thirds of people with myopia also have astigmatism")" -- see also general information about data sources]

Prevelance statistics for Astigmatism:

The following statistics relate to the prevalence of Astigmatism:

  • 4.6% of population self-reported having astigmatism in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 3.9% of male population self-reported having astigmatism in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 366,000 men self-reported having astigmatism in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 5.3% of female population self-reported having astigmatism in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 512,000 women self-reported having astigmatism in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 878,000 people self-reported having astigmatism in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • more statistics...»

About prevalence and incidence statistics:

The term 'prevalence' of Astigmatism usually refers to the estimated population of people who are managing Astigmatism at any given time. The term 'incidence' of Astigmatism refers to the annual diagnosis rate, or the number of new cases of Astigmatism diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

 

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