Prevalence and Causes of Visual Impairment and Blindness , Cataract Surgical Coverage and Outcomes of Cataract Surgery
Rashid, Bushra Moftah (2018-06-30)
A cataract is a clouding of the lens in the eye which leads to a decrease in vision , cataract often develop slowly and can affect one or both eyes, symptoms may include faded color , blurry vision and trouble seeing at night, cataract causes half of all cases of blindness 33% of visual impairment. Most commonly due to aging or present from birth or occur following eye surgery for other problem. The underlying mechanism involves accumulation of clumps of protein or yellow brown pigment in the lens.
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aim of this report to estimate the prevalence and causes of blindness in different area( Libya , china , brazile) , population, age , and to describe the coverage and quality of cataract surgery services in the area.
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