In this condition, the arterioles (small arteries) in the retina become partially blocked because of thickening of their walls. Using an ophthalmoscope, a doctor can see the thickened arterioles and other indications of diminished blood supply to the retina. ... Arteriosclerotic retinopathy is a danger signal that the blood vessels in the body are arteriosclerotic and that steps are badly needed to prevent the progression of the disease process.
Microangiopathies, including retinal proliferation and microalbuminuria, have been reported as indicators of atherosclerotic retinopathy and nephropathy (8–11).