TheraTears Liquid Gel Nighttime Dry Eye Therapy Lubricant Eye Gel provides soothing overnight relief for dry irritated eyes. Discover one-of-a-kind silky hydration. TheraTears gel restores eyes' natural balance and provides a less blurring, non-crusting protective film that is ideal for nighttime use. The single-use vials come in a foil pouch to ensure freshness. The eye drops for dry eyes are preservative free for sensitive eyes. TheraTears contains the 5 vital electrolytes found in natural tears. The eye drops correct the salt imbalance that can cause dry eye symptoms Dr. Jeffrey P. Gilbard, Ophthalmologist created TheraTears eye drops after 18 years of research for dry eyes. To use, instill 1 or 2 drops in the affected eye(s) as needed. TheraTears eye drop products are FSA- and HSA-eligible in the U.S. TheraTears provides dry eye therapy by restoring, cleansing and nourishing the eye.