VisuEVO is an innovative preservative-free formulation containing Omega 3 essential fatty acids Vitamins A and D VisuEVO reduces excessive evaporation of the tear film on the surface of the eye due to the presence of A wide range of evaporative dry eye Forms of dry eye caused by a reduced secretion of lipids from the Meibomian glands Cases in which dry eye has worsened as a result of the use of eye drops containing preservatives.