- Blue cut clip on polarized night vision glasses. - UV-400 to wear over prescription glasses for night driving. - These lenses have a flip-up design with a clip-on mechanism which means you can easily flip them up when not needed & flip them down when required. - These polarized lenses are most effective in low-light conditions such as at night or during dusk & dawn when visibility is reduced. - Includes microfiber cleaning cloth & protective rubber caps. - New in case.