Diabetes mellitus is a systemic and chronic disease induced by abnormal carbohydrate metabolism, and hyperglycemia, hyperlipidemia and hypertension are main clinical characteristics.Long-term high blood glucose level causes the disorders of microvessels and macrovessels in human tissue and organ, resulting in serious complications and extremely high morbidity and mortality worldwide.Diabetes mellitus increases the risk of eye complications, and the incidence of diabetic eye complications is gradually increased in recent years, which is one of important problems that should not be ignored.Diabetic ocular complications include diabetic retinopathy (DR), diabetic optic neuropathy (DN), glaucoma, cataracts, diabetic ocular surface diseases, etc.So the prevention, early diagnosis and effective management for diabetic eye diseases are challenges.Ophthalmologists should pay more attention to diabetic ocular complications and keep a watchful eye on the renewal of managing guidelines of diabetic eye diseases to reduce the blinding rate and economic cost by early detection and timely treatment.

Diabetes mellitus/therapy; Complications; Diabetic retinopathy; Glaucoma; Cataract; Ocular surface; Humans