Diabetes has a number of associated conditions and complications. Some of the most serious are eye diseases, among them, glaucoma, a leading cause of blindness in the United States. According to the American Diabetes Association, people who have diabetes are 40% more likely to suffer from glaucoma than non-diabetics. Also, a report from the Glaucoma Foundation states that there is a significant link between Type 2 diabetes and chronic open-angle glaucoma (COAG).
We've all heard the term 20/20 vision. The phrase 20/20 is used as a figure of speech in everyday conversation as well. But if your eye doctor tells you your vision is 20/20, will you know what that means?
Behold the Snellen chart
Visual acuity is most often measured using a Snellen chart. This is the familiar chart using letters of progressively smaller size you see in every eye doctor's office.
