AIR OPTIX® plus HydraGlyde® for Astigmatism contact lenses bring together SmartShield® Technology and HydraGlyde Moisture Matrix for a combination of deposit protection and surface moisture that keep lenses wet after 16 hours. These monthly replacement contact lenses keep eyes feeling fresh and combat deposits to keep your vision clear. Made out of high-quality silicone hydrogel material, these contacts are consistently hydrated offering a comfortable lens-wearing experience for those who suffer from dry eyes.