Prevalence and Causes of Blindness, Low Vision and Status of Cataract in 50 Years and Older Citizen of Qatar-A Community Based Survey
Prevalence and Causes of Blindness, Low Vision and Status of Cataract in 50 Years and Older Citizen of Qatar-A Community Based Survey
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DOI：
10.3109/09286586.2010.508350
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发表时间：
2010-10-01
影响因子：
1.8
通讯作者：
Pai, Anant
中科院分区：
文献类型：
--
作者：
Al Gamra, Hamad;Al Mansouri, Fatima;Pai, Anant
Background: Rapid Assessment for the Avoidable Blindness (RAAB) was conducted in Qatar during 2009. We present the prevalence and determinants of visual disabilities and status of cataract among citizens aged 50 years and older.Methods: Residents of randomly selected houses and clusters participated in the survey. Opticians noted the presenting and the best corrected vision of participants from 49 clusters. Ophthalmologists examined participants with additional instruments like bio-microscope, digital camera, auto-perimeter and auto-refractor in a mobile van. World Health Organization recommended principal cause of blindness (Visual acuity [VA] < 3/60 in better eye), Severe visual impairment (SVI) (
