A Must Try This absolutely amazing eye drop significantly reduces the redness in eyes, to help them appear whiter, brighter and truly radiant! 1 drop in each eye starts to work within seconds, and can last up to 8 long hours! When I first heard of it, I laughed but when I tried it, it was tears of joy! No more hiding under the work desk or taking trips to the bathroom to refresh my eyes after staring at the screen for hours on end! This really works, and wonderfully!