Abstract Diabetes mellitus is a metabolic disease characterized by hyperglycemia resulting from defect in insulin secretion, insulin action or both. The chronic hyperglycemia of diabetes mellitus is associated with long-term damage, dysfunction and failure of various organs, especially retina, kidney, nerves, and in addition an increased risk of cardiovascular disease. 347 million people worldwide have diabetes and it is a major health problem for developing and developed countries. Diabetes retinopathy is a one of the major diseases causing blindness. It is important to assess the knowledge, attitude and practices regarding eye complications and eye care in order to prevent the occurrence of diabetes retinopathy and to implement effective health promotion among diabetes patients.