A thicker version of preservative-free TheraTears. TheraTears Liquid Gel works as a "liquid bandage" yet does not cause the blurring and crusting seen with thicker products. If you have severe dry eye, and have irritation throughout the day, use saturation dosing with preservative-free TheraTears four times a day, and follow each episode of saturation dosing with a single-drop of liquid gel to provide a liquid bandage until the time for next saturation dose. TheraTears Liquid Gel is also great for nigh tttime use