There is currently no cure for diabetes. However, healthy nutrition with control of blood sugar and blood pressure is especially important for managing diabetes. It is also the most critical component to helping manage diabetic retinopathy. In early stages, it is possible to have improvement in the level of retinopathy by maintaining excellent control of your diabetes. Later stages do often require treatment to prevent further vision loss. Depending on the stage of diabetic eye disease you have, treatments may be recommended to help slow or prevent further vision loss.