A dilated eye exam lets your eye doctor see the back of your eye. This test can detect eye problems like diabetic retinopathy. Before the test, your eye doctor will use eyedrops to widen, or dilate, your pupils.
Diabetes can harm blood vessels in the retina,the part of the eye that sends images to your brain. This is called diabetic retinopathy, and it can lead to poor vision and even blindness.
As you get older, your risk for glaucoma increases. Glaucoma is a leading cause of blindness. Having
routine eye exams and tests is the best way to find glaucoma early so you can get treatment and delay or prevent blindness.