Diabetes and Blindness A person’s eyesight is usually taken for granted, until this gift is suddenly taken away from them. An estimated 16 500 Namibians will develop severe diabetic retinopathy, which can lead to vision loss or blindness. Diabetic retinopathy is a complication of diabetes. Diabetes is a lifestyle disease related to obesity and a sedentary lifestyle. It can be prevented by making healthier lifestyle ch oices. The incidence of diabetes and obesity is increasing