Hilco Prescription Swimming GogglesHigh performance anti-fog treatment and impact tested. Includes protective carrying case. Easy to assemble. 100% UVA, UVB protected. These high-quality swimming goggles provide corrective powers for swimmers with near or far-sightedness so that contact lenses aren’t needed while you swim (which isn’t healthy for your eyes). 100% UVA and UVB protection for outdoor swimming and high performance anti-fog treatment. For Myopia (short-sightedness), select powers from -1.0 to -8.0 and Hyperopia (far-sightedness), select from +1.0 to +8.0. Some assembly required.