The pair of organs on either side of your nose is one of your top tools for receiving information from the world around you. Often, our eyes tell us just about everything we need to know. But there are certain situations when the eyes don’t have it. Sometimes our eyes can deceive us — and we’re better off keeping them closed. Did you know every sighted person has a blind spot, including you? We’ll explore why pirates might have worn eye patches — and if you should wear one, too. Then find out if you have good depth perception and how you can improve it, one eye at a time. Get ready to explore the limits of vision, maximize one of your most-used senses and bring your eyes into sharper focus.