Advanced Eye Relief Dry Eye Environmental Lubricant Eye Drops provide instant moisture for dry and irritated eyes. The fast-acting cooling and soothing effect eliminates eye discomfort. Dry Eye Environmental Drops provide relief from exposure to the wind or sun outdoors, air conditioning or low humidity indoors, or prolonged computer use can irritate eyes. Dry Eye Environmental Lubricant Eye Drops contain 1% glycerin, the maximum amount of the lubricant allowed by the Food and Drug Administ