Blindness and vision impairment - World Health Organization (WHO)
网页2023年8月10日 · Globally, at least 2.2 billion people have a near or distance vision impairment. In at least 1 billion of these, vision impairment could have been prevented or is yet to be addressed. The leading causes of vision impairment and blindness at a global level are refractive errors and cataracts. It is estimated that globally only 36% of people with ...
WHO launches first World report on vision
网页2019年10月8日 · Русский. Español. 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 and cataract, according to the first World report on vision issued by the World Health Organization. The report, launched ahead of World Sight Day on ...
World report on vision - World Health Organization (WHO)
网页2019年10月8日 · 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 …
The deafblind community: Fighting not to be forgotten
网页2022年12月2日 · The deafblind community: Fighting not to be forgotten. 2 December 2022. Access to health is especially challenging for persons with deafblindness. To advance health equity for deafblind people, there is a need for models of care which are inclusive and people-centred, and consider the provision of care from the user perspective.
Up to 45 million blind people globally - and growing
网页2003年10月9日 · But 80% of visual impairment can be avoided or cured Today, World Sight Day, VISION 2020 is giving governments around the world tools to help prevent and treat millions of cases of blindness. Globally, an estimated 40 to 45 million people are blind and 135 million have low vision. But 80 per cent of visual loss can be prevented or cured, say …
网页Globally, at least 2.2 billion people have a vision impairment. The global need for eye care is projected to increase dramatically in the coming decades posing a considerable challenge to health systems. Despite concerted action during the past 30 years, significant challenges remain. The World report on vision seeks to stimulate action in ...
Deafness and hearing loss - World Health Organization (WHO)
网页2024年2月2日 · Hearing loss and deafness. A person who is not able to hear as well as someone with normal hearing – hearing thresholds of 20 dB or better in both ears – is said to have hearing loss. Hearing loss may be mild, moderate, severe or profound. It can affect one ear or both ears and leads to difficulty in hearing conversational speech or loud ...
Four out of five people who are blind do not need to be
网页2012年11月10日 · Of those, 10 million blind people and 79 million with poor vision live in the Western Pacific Region. The leading cause of blindness in the world and in the Western Pacific Region is cataract – a clouding of the lens, a natural process that usually comes with age. However, in developed countries, almost no one goes blind from it.
World Sight Day: 10 October - World Health Organization (WHO)
网页2002年10月10日 · An estimated 180 million people world-wide are visually disabled. Of those, between 40 and 45 million persons are blind. Due to growing populations and ageing, these numbers are expected to double by the year 2020 making a colossal human tragedy even worse, stalling development and denying a basic human right.World Sight Day is an …
Onchocerciasis - World Health Organization (WHO)
网页2022年1月11日 · Onchocerciasis – or “river blindness” – is a parasitic disease caused by the filarial worm Onchocerca volvulus transmitted by repeated bites of infected blackflies (Simulium spp.). These blackflies breed along fast-flowing rivers and streams, close to remote villages located near fertile land where people rely on agriculture.