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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.
When you go to have an eye exam, you will take several tests to determine how your prescription is and whether you have eye health problems. Usually the eye exam will last around 20 minutes.