Start seeing better results today! If you're straining to read small measurements, but don't need constant vision correction, these bifocal magnifiers could be the perfect solution. Sleek, lightweight and designed for comfort, they come in several corrective powers.The uncorrected upper lens protects your eyes, while the corrective lower insert improves visibility of small scales, intricate joints, layout lines and nearby objects. This bi-focal feature adds to a great all-around safety glasses design, including:* Shatter-proof wrap-around lenses * Anti-fog coating* Adjustable bands* Rubber nose padsAvailable in +1.5, 2.0, 2.5, and 3.0 magnification. If your required bi-focal strength is unknown, visit a pharmacy and test out several reading glasses.