Prevalence of diabetic retinopathy in Asia, major population based studies
| Year | Study and location | Population with diabetes | Retinopathy diagnosis | Prevalence of retinopathy |
|---|---|---|---|---|
| KD, known diabetes; ND, newly diagnosed diabetes. | ||||
| 1992 | Taiwan84 | 527, ⩾40 years | Clinical examination | 35.0% |
| 1999 | Andhra Pradesh Eye Study, India25 | 124, ⩾40 years | Clinical examination | 22.4% |
| 2002 | Palakkad, India85 | 260, ⩾50 years | Clinical examination | 26.2% |
| 2004 | Aravind Eye Study, India31 | 228, ⩾40 years | Clinical examination | 10.5% |
| 2005 | Chennai Urban Rural Epidemiological Study, India86 | 1382 KD, ⩾20 years | Retinal photography | 17.6% |
| 354 ND, ⩾20 years | 5.1% | |||