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10 Αυγ 2023 · 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 ...
Integrated people-centred eye care, including preventable vision impairment and blindness (WHA74.12) Integrated people-centred eye care, including preventable vision impairment and blindness (WHA73.4) Towards universal eye health: a global action plan 2014–2019 (WHA66.4) Prevention of avoidable blindness and visual impairment (WHA62.1)
8 Οκτ 2019 · 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 ...
8 Οκτ 2019 · Vision impairment that cannot be corrected or reversed requires rehabilitation measures, including low vision aids and assistive technologies. For those living with blindness, braille reading, counselling, home skills training, mobility training with white canes, and digital assistive technologies can ensure free, independent, and safe mobility.
11 Ιαν 2022 · Onchocerciasis, commonly known as “river blindness”, is caused by the parasitic worm Onchocerca volvulus. It is transmitted to humans through exposure to repeated bites of infected blackflies of the genus Simulium. Symptoms include severe itching, disfiguring skin conditions, and visual impairment, including permanent blindness.
8 Οκτ 2023 · Causes. Au niveau mondial, les principales causes de déficience visuelle et de cécité sont : les erreurs de réfraction ; la cataracte ; la rétinopathie diabétique ; le glaucome ; la dégénérescence maculaire liée à l’âge. Il existe des variations substantielles dans les causes de déficience visuelle entre les pays et à l ...
12 Ιουλ 2024 · Measles is a highly contagious disease caused by a virus. It spreads easily when an infected person breathes, coughs or sneezes. It can cause severe disease, complications, and even death. Measles can affect anyone but is most common in children. Measles infects the respiratory tract and then spreads throughout the body.
21 Οκτ 2024 · Trachoma is the leading infectious cause of blindness worldwide. It is caused by an obligate intracellular bacterium called Chlamydia trachomatis. The infection is transmitted by direct or indirect transfer of eye and nose discharges of infected people, particularly young children who harbour the principal reservoir of infection.
Deficiency of vitamin A is associated with significant morbidity and mortality from common childhood infections, and is the world’s leading preventable cause of childhood blindness. Vitamin A deficiency also contributes to maternal mortality and other poor outcomes of pregnancy and lactation. It also diminishes the ability to fight infections.
While presbyopia, hyperopia and astigmatism are not preventable, there are strategies that may help delay the onset and slow the progression of myopia in children.
