نتایج جستجو برای: vision 2020
تعداد نتایج: 247334 فیلتر نتایج به سال:
Globally, there are 314 million people with vision impairment, of whom 269 million people have low vision and 45 million are blind [1,2]. The geographic distribution of visual impairment is not uniform and more than 90% of the world’s visually impaired live in developing countries. Sub-Saharan Africa, with around 11% of the world’s population, has about 20% of the world’s blindness [1]. This re...
he global ocean is the last physical frontier on Earth. Covering 70 percent of the planetary surface, it is the largest, most complex biome we know. The ocean is a huge, mobile reservoir of heat and chemical mass. As such, it is the " engine " that drives weather-climate systems across the ocean basins and the continents, directly affecting food production , drought, and flooding on land. Water...
Ocular growth is essential to the understanding of the development of refractive errors (RE). ÔThe eye is approximately 17 mm long at birth. From birth to age 6, the eye will grow by around 5 mm, will lose 4 dioptres of corneal power and 20 dioptres of lens power. In the general population, there is a preponderance of emmetropes and the prevalence of ‘acquired’ myopia is only 2% by the age of 6...
We aimed to determine whether teleophthalmology has a place in the South African health care delivery system and its role in Vision 2020 in South Africa. We used a consensus process to determine its impact on the diagnosis and management of patients seen in a hospital eye clinic. Edendale Hospital, Pietermaritzburg, and Moorfields Eye Hospital, London, collaborated in this study involving 90 pa...
heard of the International Agency for the Prevention of Blindness (IAPB), but they may not be aware of exactly what the organisation does and how it functions. The purpose of this article is to give a brief overview of what IAPB does and how it contributes to the elimination of avoidable blindness in the world. The IAPB was established in 1975 as a coordinating umbrella organisation to lead int...
the generation, acquisition, utilization and application of knowledge/ information is an indispensable factor for growth and development. nigeria’s vision 20: 2020 is a blueprint designed for the development of the country with emphasis on making it one of the top developed economies by the year 2020. however, the observation and analysis of the vision’s objectives and thematic areas shows that...
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