الفهرس 
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Abstract
Background: Diabetes mellitus is a metabolic disorder characterized by chronic hyperglyaemia. Diabetes cause many complication diabetic retinopathy is common complication which affects up to 80 percent of all patients who have diabetes for more than10 years or more.
Objectives: To estimate the prevalence rate of diabetic retinopathy among type 2 diabetic patients in some Arab countries and to compare the difference in the prevalence rate according to different patient’s characteristics.
Patients and Methods: In recent years, several studies have indicated occurrence of peripapillary RNFL thinning in the retina of diabetic patient. We reviewed the full articles of the extracted 17 different studies across 10 Arab countries that were captured through our search strategy. Through 25 years (1991–2016), most of the studies re-ported were carried, We captured 17 studies through our systematic search.
Results: The prevalence rate of diabetic retinopathy among type 2 females is 19.848%. The prevalence rate of diabetic retinopathy among type 2 males is 18.559%. Prevalence of Diabetic Retinopathy in those with up - 5 years duration of the disease is 7.597%. Prevalence of Diabetic Retinopathy in those with 5-10 years duration of the disease is 24.418%. Prevalence of Diabetic Retinopathy in those with >10 years duration of the disease is 52.913%. Prevalence of Diabetic Retinopathy in those aged <45 years is 9.505%. Prevalence of Diabetic Retinopathy in those aged 45-55 years is 20.346 %. Prevalence of Diabetic Retinopathy in those aged >55 years is 25.297%.
Conclusion: We present the first systematic review and meta-analysis of DR among Arab patients with T2D in 10 different Arab countries. Although our search strategy was broad, we were only able to find few reports compared to the scale of the problem in the Arab countries; our meta-analysis revealed that the prevalence is high (22.543 %) with significant variations among different Arab countries, even within the same country.