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â¢ People ages 20 to 40 should have an eye exam at least every five years unless there are vision changes, pain, flashes of light, new floaters, injury or tearing. Immediate care is needed to address any of those symptoms.
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: