Sentence examples for blindness survey from inspiring English sources

In 1981, the Nepal Blindness Survey provided the first epidemiological information on the prevalence of blindness in Nepal.

The Rapid Assessment of Avoidable Blindness Survey in 2012 of Nepal found that the prevalence of blindness was 0.35% [ 2].

The Nigeria Blindness Survey reported the prevalence of blindness to be 4.2%95%95 % confidence interval 3.8 4.6 %) [ 10], 16.7 % being due to glaucoma [ 11].

Nepal Blindness Survey conducted in 1981 reported the overall prevalence of blindness in Nepal as 0.84% and in subjects more than 45 years of age as 3.8% [ 4].

According to estimates from the Nepal Blindness Survey (conducted from 1980 to 1981), glaucoma accounted for 3,820 cases, or 3.2%, of bilateral blindness in Nepal[ 17].

Similarly, in the Nigerian National blindness survey, ARMD was the third most common cause of low vision, accounting for 11.0% of subjects with low vision.

Sixteen randomly selected districts where blindness surveys were undertaken 7 to 10 years earlier were identified for a follow up survey.

The standardized quality of life instrument, which was pre-tested in Nigeria during a pilot study, had been used in the national blindness surveys in Bangladesh and Pakistan [ 32, 33].

The methodology was adapted from the Rapid Assessment of Avoidable Blindness (RAAB) survey, which was developed at the International Centre for Eye Health, London, as a rapid survey methodology to assess the prevalence and causes of vision impairment and cataract surgical coverage in a specific geographic area [ 15].

The Rapid Assessment of Avoidable Blindness (RAAB) survey is a relatively cheap and easy means of generating population-based data on prevalence and causes of blindness in persons aged 50 and over.

We recently conducted a Rapid Assessment of Avoidable Blindness (RAAB) survey in Varamin District of Iran.