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At present at least 2.2 billion people around the world have a vision impairment, of whom at least 1 billion have a vision impairment that could have been prevented or is yet to be addressed. The world faces considerable challenges in terms of eye care, including inequalities in the coverage and quality of prevention, treatment and rehabilitation services; a shortage of trained eye care ... More @Wikipedia
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- World report on vision - World Health Organization (WHO)At present at least 2.2 billion people around the world have a vision impairment, of whom at least 1 billion have a vision impairment that could have been prevented or is yet to be addressed. The world faces considerable challenges in terms of eye care, including inequalities in the coverage and quality of prevention, treatment and rehabilitation services; a shortage of trained eye care ...
- Eye care, vision impairment and blindness - World Health Organization (WHO)In low- and middle-income settings the burden of vision impairment can be even greater due to fewer opportunities to access the most essential eye care services. Cataracts and uncorrected refractive errors are estimated to be the leading causes of vision impairment; however, other causes for vision impairment cannot be ignored.
- Blindness and vision impairment - World Health Organization (WHO)Vision impairment poses an enormous global financial burden with an estimate annual global productivity loss of about US$ 411 billion purchasing power parity (3). This figure far outweighs the estimated cost gap of addressing the unmet need of vision impairment ( estimated at about US$ 25 billion ).
- Onchocerciasis - World Health Organization (WHO)The Global Burden of Disease Study estimated in 2017 that at least 220 million people required preventive chemotherapy against Onchocerciasis, 14.6 million of the infected people already had skin disease and 1.15 million had vision loss.
- Eye care, vision impairment and blindness: Refractive errorsFor example, the correction of myopia with spectacles can return US$ 10.50 for every US$ 1.00 spent, while school eye health programmes can have a reported benefit cost ratio as high as 26.4 in some settings. For presbyopia, the near vision correction can increase average median income of people in low-income communities by over 30%.
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