How Diabetes Can Affect Your Vision High Blood sugar caused by diabetes can impact several body parts, including the eyes. Many people do not realize that uncontrolled diabetes can slowly damage vision and even lead to permanent blindness if treatment is delayed. Understanding How Diabetes Can Damage Your Eyes is https://www.deviantart.com/eyeheal12/journal/How-High-Blood-Sugar-Can-Lead-to-Eye-Damage-1335621302