Even if you think you have 20/20 vision and believe nothing is wrong with your eyes, you should still schedule routine eye exams. Age usually determines the frequency of eye exams you should schedule. It is safe to think that the younger you are, the less frequently you need to have an eye exam. If you wear glasses or contacts, however, you will need to have eye exams more often, usually every year. Here are Medical Arts Eye Clinic’s five reasons you should schedule routine eye exams.