Drop containing Poly Frisch on a specific part of the material sodium hyaluronate extreme purity, which are naturally occurring compound, a substance found in the physical structure of the human eye as sodium hyaluronate characterized survival for a long time over the surface of the cornea Caused by the outer layer of the material properties of sodium hyaluronate stay long lasting above the surface of the cornea in addition to the membrane lachrymal working on the corneal surface hydration for longer It has been formulated with the drug Poly Fresh uniquely maintains its characteristics sticky with the presence of other ions