What is Optrex ACTiMIST Double Action Itchy + Watery Spray? Optrex ActiMist Double Action Eye Spray For Itchy & Watery Eyes helps to repair the natural protective moisture barrier to help reduce itchy and watery eyes. This eye spray is ideal for repairing Itchy and watery eyes due to a disturbed lipid layer of the eye\'s tear film. How to use Optrex ACTiMIST Double Action Itchy + Watery Spray When using for the first time, push down the nozzle 3-4 times. Hold 10cm from your closed eyelids. Spray 1-2 times onto your closed eyelids, 3 to 4 times per day.