Home > Eye care > Diabetes Eye Exams Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Mar 23, 2008 by DSchlossman, Views: 6200 Diabetes is the leading cause of preventable blindness in working age adults. In general, there are no symptoms associated with the problems diabetes causes in the eyes. Therefore, it is very important for diabetics to see their physicians regularly for prevention. Physicians will closely follow your HgA1c, which is a measure of average blood glucose levels, aggressively. As well as regular dilated eye exams. Any early visual changes should be reported to your doctor.