The ULTRA lens was designed to retain 95% of its moisture even after 16 hours of wear. This is specifically intended to help people who spend a large proportion of their day looking at digital devices.For anybody who spends a significant amount of time looking at digital devices, the Bausch and Lomb ULTRA lens is the lens you should be wearing. It will significantly reduce end of day dryness and help keep you in contact lenses for many more years to come.