Blink GelTears Lubricating Eye Drops can be used to treat the symptoms of moderate to severe Dry Eye Syndrome (DES). Some typical symptoms of moderate to severe Dry Eye Syndrome may include burning, stinging, scratchiness, significant redness, mucus discharge, blurred vision and difficulty moving your eyelids. Blink GelTears have all the advantages of Blink Tears, but the thicker formula is designed for enhanced comfort and makes this product suitable for either nighttime or daytime use.