Your healthcare provider will examine your eyes. You may also need any of the following:
Dilated indirect ophthalmoscopy may show early damage in your retina. A magnifying lens is used to see your retina and other parts of your eye. Eye drops are placed into your eyes to make your pupils larger.
Fluorescein angiography uses a dye to show blood leakage and damage in your eye.
Fundus photography may show your DR and how severe it is.