Prolonged exposure to chlorine can cause damage to the surface of the eyes; causing symptoms such as irritation, itchiness and eye infections. Contact lens wearers should not swim while wearing contact lenses because of risk of severe infection from microbes in the water that can lead to blindness. For those who need glasses or contact lenses, swimming goggles can be prescribed with the proper correction to permit clear vision. The prescription swimming goggles can protect the eyes from infection and other eye ailments. Swimming goggles can also protect the eyes from ultraviolet radiation when swimming outdoors, and they can also have a tinted lens to shield you from the sun. When choosing a swimming goggle, it is important to have a proper seal so that water doesn’t seep into the goggle.