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- Low vision, visual impairment, and blindness are broad terms encompassing a range of conditions affecting an individual's ability to see and function in daily life. Low vision describes those whose vision cannot be fully corrected by glasses, contact lenses, refractive surgery, or other surgery.
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What are the unavoidable causes of blindness and visual impairment?
What is who's role in preventing blindness & vision impairment?
What is the purpose of a blindness survey?
Nearly one million Americans have lost some degree of sight (a chronic or permanent disability) due to an eye injury. About 7% have a severe impairment and about 79% of those are blind in one eye. Eye injuries account for 40,000 to 50,000 new cases of impaired vision each year.
- Overview
- Causes
- Prevalence
- Impact of Vision Impairment
- Strategies to Address Eye Conditions to Avoid Vision Impairment
- Who Response
Vision, the most dominant of our senses, plays a critical role in every facet and stage of our lives. We take vision for granted, but without vision, we struggle to learn, to walk, to read, to participate in school and to work. Vision impairment occurs when an eye condition affects the visual system and its vision functions. Everyone, if they live ...
Globally, the leading causes of vision impairment and blindness are: 1. refractive errors 2. cataract 3. diabetic retinopathy 4. glaucoma 5. age-related macular degeneration. There is substantial variation in the causes of vision impairment between and within countries according to the availability of eye care services, their affordability, and the...
Globally, at least 2.2 billion people have a near or distance vision impairment. In at least 1 billion – or almost half – of these cases, vision impairment could have been prevented or has yet to be addressed. Among this 1 billion people, the main conditions causing distance vision impairment or blindness are cataract (94 million), refractive error...
Personal impact
Young children with early onset irreversible severe vision impairment can experience delayed motor, language, emotional, social and cognitive development, with lifelong consequences. School-age children with vision impairment can also experience lower levels of educational achievement. Vision impairment severely impacts quality of life among adult populations. Adults with vision impairment can experience lower rates of employment and higher rates of depression and anxiety. In the case of olde...
Economic impact
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).
There are effective interventions covering promotion, prevention, treatment and rehabilitation which address the needs associated with eye conditions and vision impairment. While many vision loss cases can be prevented (such as those due to infections, trauma, unsafe traditional medicines, perinatal diseases, nutrition-related diseases, unsafe use ...
WHO’s work is guided by the recommendations of the WHO World report on vision (2019) and the resolution on "integrated, people-centred eye care, including preventable blindness and vision impairment" adopted at the Seventy-third World Health Assembly in 2020. The key proposal is to make integrated people-centred eye care (IPEC) the care model of ch...
Jan 31, 2011 · In 1983, the National Health Policy of India reiterated that blindness was an important public health problem and set a target to reduce the blindness prevalence rate from 1.4% to 0.3%. The Government of India has now laid down a target for reduction in the prevalence of blindness to 0.8% by the end of the Tenth Five-Year Plan and to 0.5% by ...
- Ramesh Verma, Pardeep Khanna, Shankar Prinja, Meena Rajput, Varun Arora
- 2011
Jul 21, 2022 · Major causes of blindness included cataract (66.2%), corneal opacity (CO) (8.2%), cataract surgical complications (7.2%), posterior segment disorders (5.9%) and glaucoma (5.5%). The proportion of blindness and visual impairment that is due to avoidable causes include 92.9% and 97.4% respectively.
- 10.1371/journal.pone.0271736
- 2022
- PLoS One. 2022; 17(7): e0271736.
Glaucoma (5.5%). Goal. Under the National Health Policy (NHP), the target is to reduce the prevalence of blindness to 0.25% by 2025. Major activities under the Programme. 1. Primary eye care services.
Jun 27, 2021 · Several of the most common reasons for blindness or moderate-to-severe visual impairment – cataract, under-corrected refractive error, glaucoma and diabetic retinopathy are...
NPCBVI. भारत सरकार Government of India. FAQs. Ministry of Health & Family Welfare, Government of India. National Programme for Control of Blindness & Visual Impairment (NPCBVI) Home. Dashboard. Gallery. Documents.
