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It's important for adults 40 and older to have eye exams every 2 to 4 years to check for problems. Those who have a history of eye problems or who are at risk for developing them should see an eye doctor every year. This is particularly important if you have risk factors or a family history of eye problems.
How an Eye Exam Is Performed During a comprehensive eye exam, your eye doctor will perform several different tests and procedures to check your vision as well as the overall health of your eyes. A comprehensive eye examination takes about an hour, and it should consist of most of the following parts: