In the wet form of macular degeneration, the damage to the eye is caused when abnormal bloodvessels grow under the macula. ... The fovea in the center of the macula has no bloodvessels at all because they would interfere with central vision.
Living better with type 1 diabetes. Insulin dosing for fat and protein in type 1 diabetes. ... Over time, elevated blood glucose levels can cause damage to the tiny bloodvessels around the body, including in the eyes.