hydraSense® for Dry Eyes provides effective, long-lasting relief for your irritated eyes. It contains sodium hyaluronate – clinically proven to hydrate, lubricate and protect your eyes. It also helps to protect your eyes from dryness by attracting and retaining moisture on the eyes. It is clinically proven to stabilize the tear film to provide fast and long-lasting relief for dry and irritated eyes hydraSense® Eye Drops use an innovative sterile delivery system with a built-in filter that allows the formulation to be preservative-free.