Professor’s research underpins World Health Organization first ever report on vision
More than 1 billion people worldwide are living with vision impairment because they do not get the care they need for conditions like short and far sightedness, glaucoma, diabetes, and cataracts, according to the first-ever World Report on Vision issued by the World Health Organization.
Dr. Janet Leasher, optometrist and professor of health policy, economics and public health at Nova Southeastern University’s (NSU) College of Optometry was the only optometrist from the United States who is part of the core Vision Loss Expert Group which provided the estimates on the numbers of persons affected around the world with blindness and vision impairment. She also served on the Council of Members of the International Agency to Prevent Blindness and was the North American Coordinator for the United Nations Education Science and Culture Organization’s Chair of Visual Health and Development.
The report, launched ahead of World Sight Day on October 10, found that aging populations, changing lifestyles and limited access to eye care, particularly in low- and middle-income countries, are among the main drivers of the rising numbers of people living with vision impairment.
Globally, at least 2.2 billion people have a vision impairment or blindness, of whom at least 1 billion have a vision impairment that could have been prevented or has yet to be addressed. Other main findings of the report include:
- Vision impairment is often far greater in people living in rural areas, those with low incomes, women, older people, people with disabilities, ethnic minorities and indigenous populations.
- The unmet need of distance vision impairment in low- and middle-income regions is estimated to be four times higher than in high-income regions.
- Low- and middle-income regions of western and eastern sub-Saharan Africa and South Asia have rates of blindness that are eight times higher than in all high-income countries. Rates of cataract and trachomatous trichiasis are higher among women, particularly in low- and middle-income countries.
- $14.3 billion is needed to address the backlog of 1 billion people living with vision impairment or blindness due to short and far sightedness, and cataracts.
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