Conclusions: There were no ophthalmologist in Matsu before our study, and it revealed the prevalence of diabetic retinopathy was relatively high among self reported diabetics.

• 在危险因子之分析上，我们发现糖尿病患病期及偏远居住地（东引及莒光）和糖尿病视网膜病变之盛行率有明显的相关性。