Asians predisposed myopia

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It affects a larger proportion of Asians and a smaller proportion of African Americans. High myopia refers to a spherical equivalent of The Blue Mountains Eye Study also found that moderate and high myopia, especially with onset prior to age 20, are associated with posterior subcapsular cataract formation.

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There were compared data collected in two scientific studies carried out in the same ophthalmologic hospital in different periods of time, they evaluated among other factors, the refractive errors of the participants, from this data there were compared the percentage of patients with myopia between the two studies. There was an increase in the prevalence of myopia among the participants of the studies, in the evaluation carried out between and the percentage of people with myopia accounted for 3. Only among patients with refractive errors the prevalence of myopia in the first study was 9.

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A systematic review and meta-analysis. Purpose : To perform a meta-analysis to estimate the prevalence of myopia in Asia. Methods : We searched PubMed, Embase and Web of Science from their inception till September for population-based surveys reporting the prevalence of myopia in adults or children in Asia.

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Myopia has also been on the rise in both Asia and Europe over the past few years. While there are genes linked to myopia, its rising prevalence in both continents points to environmental causes. Namely, kids are spending more time hunched over screens and books instead of playing outdoors. In myopia, light coming into the eye can no longer focus at the retina because the eyeball has become too long.

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The worldwide prevalence of myopia is expected to increase from 1. Myopic retinopathy has become a leading cause of blindness worldwide. Previous schools of thought attributed the cause of myopia to genetics, although it is clear now that this cannot explain the increasing prevalence to epidemic levels, particularly in East Asian populations, over the past decades.

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It has long been thought that nearsightedness is mostly a hereditary problem, but researchers led by Ian Morgan of Australian National University say the data suggest that environment has a lot more to do with it. The overall rate of myopia in the U. In Singapore, for example, rates of nearsightedness in three different ethnic groups — Chinese, Indian and Malay — have increased since

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Students in military uniforms balance bottles of water on their heads as they practice goose-stepping marching during a military training session at a college in Zhengzhou, Henan province September 17, Within half an hour a pair of prescription eyeglasses is ready. That is impressive, but then the number of Chinese wearing glasses is rising.

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Myopia subjects usually have long axial lengths and are predisposed to deep anterior chamber depths and open angles. Jiangning eye study is a randomized, population based study in Shanghai to determine whether myopia has an effect on the prevalence of occludable angles. A total of residents aged 50 years and over were randomly selected, and

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Frank Langfitt. The number of children who need glasses has risen quickly across East Asia and Southeast Asia. But some parents and doctors in China are skeptical of lenses.

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No one knows for sure exactly what causes nearsightedness. As the name implies, nearsighted people can see clearly up close but have difficulty seeing objects that are farther away. But why this happens to some people and not others is still not fully understood. Recently, researchers gathered data from more thanindividuals from Europe, Asia and North America to evaluate the influence of genetics on nearsightedness.

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