The bausch and lomb purevision 2 hd monthly lens offers a new level of vision quality thanks to their hd optics designed to reduce halos and glare delivering the clear crisp vision todays consumers expect from their contact lenses the purevision 2 hd lenses also offer outstanding comfort and breathability thanks to the thinner design and advanced comfort moist technology these combine to provide the wearer with outstanding comfort on insertion and help to support the comfort of the lens th