For treating symptoms of moderate to severe dry eye, Blink GelTears Lubricating Eye Drops can provide you with the enhanced relief you are looking for. Some typical symptoms of moderate to severe dry eye may include persistent burning, stinging or scratchiness; significant redness; mucus discharge; blurred vision; and difficulty moving your eyelids. Blink GelTears Lubricating Eye Drops have all the advantages of Blink Tears but with a thicker, more viscous lubricating formula for enhanced comfort. It is uniquely formulated for daytime and nighttime use and provides superior end-of-day comfort. It also becomes preservative-free in the eye; the preservative breaks down into natural tear components (water and sodium chloride) when exposed to light. In an Ocular Lubricant questionnaire, comfort ratings were statistically significantly higher for Blink GelTears vs. Allergans Refresh Optive Liquid Gel after 7 days and 30 days.