AIM: To introduce the international clinical classification of diabetic retinopathy (DRP) and diabetic macular edema (DME) and related topics.

• 目的:介绍糖尿病视网膜病变(diabetic retinopathy, DRP)和黄斑水肿(diabetic macular edema, DME)的国际临床分类法以及有关的问题。