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Prevalence of Diabetic Retinopathy and Blindness in Indonesian Adults With Type 2 Diabetes
Muhammad Bayu Sasongko1, Felicia Widyaputri1, Angela Nurini Agni1
1Department of Ophthalmology, Faculty of Medicine, Gadjah Mada University, Yogyakarta, Indonesia.
Purpose:
To report the prevalence of diabetic retinopathy (DR) and DR-related blindness in an Indonesian population with type 2 diabetes.
Methods:
Design: Population-based cross-sectional study.
Setting:
Community health centers.
Study Population:
We recruited 1184 people aged older than 30 years with type 2 diabetes residing in Jogjakarta, Indonesia. Multistage, clustered random sampling based on regencies and districts in Jogjakarta was used.
Observation Procedure:
Detailed interviews, general and eye examinations, and anthropometric measurement were performed. Disc- and macula-centered retinal photographs were taken to assess DR. The definition of DR followed a modified Airlie House classification system and was categorized into mild, moderate, and vision-threatening DR (VTDR).
Main Outcome Measure(S):
Prevalence and severity of DR.
Results:
The median (range) age and diabetes duration of participants was 59 (52-65) and 4 (2-9) years. The prevalence of DR was 43.1% (95% confidence interval 39.6%-46.6%), with mild, moderate, and severe NPDR and PDR to be 9.41%, 7.46%, 11.1%, and 12.1%, respectively. The prevalence of VTDR was 26.3% (23.1%-29.5%). Longer diabetes duration, higher fasting glucose, presence of hypertension, and foot ulcers were associated with DR and VTDR. The prevalence of bilateral blindness was 4% and 7.7% in persons with DR and VTDR.
Conclusions:
This study reports a high prevalence of any DR and VTDR among Indonesian adults with type 2 diabetes in urban and rural areas: approximately 1 in 4 adults with diabetes had VTDR and 1 in 12 of those with VTDR was bilaterally blind, suggesting the need for appropriate screening and management of DR among the Indonesian population.
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