Why does the optometrist dilate your eyes during a vision exam? If you've always wondered about this step of an eye exam, take a look at what you need to know about the dilation process. What Is Dilation? Before you can understand why you need this type of exam, you may need to learn more about dilation. Dilation refers to increasing the size of the pupils. The pupils are the center, round, dark parts of your eyes.
3 February 2023
