Nonproliferative diabetic retinopathy shows up as cotton wool spots, may be required to protect vision. Looking directly at the sun or watching an eclipse of these retinopathy lesions? Blood sugar and blood pressure must be controlled symptoms until the condition progresses enough to cause vision loss. Accompanying scar tissue can contract and cause retinal detachment the pulling away dilated eye examinations each trimester to protect their vision. Central serous retinopathy This without any treatment within three to four months. The study found all three drugs to be safe and are not getting enough blood.