First and most important, if you are using insurance for your eye exam, make sure to have your insurance information with you. If you have a current prescription, bring your eyeglasses and / or contact lens prescription with you. In the event that you might be getting your pupils dilated, it is always a good idea to bring a pair of sunglasses. Discover Vision carries disposable sunglasses if you do not bring your own. Be prepared to talk about any current medications you are taking and any family or personal history of eye disease or injury.