Relieves moderate to severe eye dryness and irritation. Forms a protective layer on the surface of the eye, moisturizing and hydrating the tear film. Acts as a shield, protecting the eye from external factors and reducing tear evaporation. Relieves irritation, dryness, burning and foreign body sensation in the eyes caused by environmental factors such as wind, sun, dry air, salt water, smoke, excessive light and frequent use of contact lenses.