If you have diabetes, excess fluid can build up in the back part of your eye (the macula) eventually causing changes in vision. The macula is in the center of the retina, and it enables your eye to focus and see details.
You could have DME and not be experiencing symptoms yet, but if you are experiencing DME symptoms, you might physically notice changes in your vision such as:
Keep in mind that by the time symptoms occur, there may already be damage to your retina, so it’s important to see your eye doctor regularly. Early diagnosis and treatment can prevent or help restore vision loss.