Power tool instructions warn users to wear eye protection, as do many other products, like solvents and sprays. Today you'll learn about various types of safety eyewear, what they offer and accomplish, and what kind of protection is right for you. Basic safety glasses are an oversized one-piece plastic lens on a simple frame, sometimes with detachable side shields. Goggle types fit over regular glasses too. They're often called "visitor glasses." They'll keep airborne dust, dirt and spray out of your eyes. But don't rely on them to protect against significant impact. For that, you'll need eyewear labeled ANSI Z-87 -- meaning the American National Standards Institute rates it as being able to stop a speeding projectile such as a flying nail, wood spun out of a table saw or a chunk of flying masonry debris, without shattering or the frame breaking. You can also buy prescription lenses and frames with the ANSI Z-87 rating for everyday use and work. For more tips, visit our Web site at onthehouse.com. And that's the On The House tip for today.