The goal of prevention and treatment is to prevent the development of the changes in the retina and to prevent them from leading to damage to vision.
Systematic screening can significantly reduce the incidence of blindness due to diabetes.
The development of the changes on the retina can be prevented or delayed by strict regulation of blood sugar and blood pressure.
Join a screening program with eye photography and follow the advices of ophthalmologists.
If futher changes threaten the vision, they can be treated with medication, laser beams, or operations.