PureVision 2HD: Don’t settle when it comes to your vision. New Bausch + Lomb PureVision®2 HD contact lenses feature HD Optics are designed to reduce halos and glare and deliver the clear, crisp vision that you should demand. Plus, this monthly replacement lens offers design advances for outstanding comfort and breathability. PureVision2 HD is one of the thinnest lenses on the market today, yet it’s remarkably easy to handle.