oil are disclosed as vehicles for cyclosporine similarly the oil mixtures of the present invention may be used as vehicles for cyclosporine such patents are hereby incorporated by reference herein in addition u s pat no 5 474 979 discloses methods of preparing emulsions that are useful in treating dry eye the emulsions of this patent are prepared by use of surfactants and dispersing agents which are especially suitable for preparing the emulsions of this invention such patent is hereby incorporated by reference herein finally us patent application publication number us2006 0106104 a1 discloses ophthalmic compositions which include compatible solute components for example tonicity components such as polyols and amino acids and in particular glycerin glycerol erythritol and carnitine the ophthalmic compositions of this published patent application are useful for treating eyes that are exposed to hypertonic insult and also in a method of improving the visual acuity of a person in need thereof which comprises topically administering to said person in an effective amount said ophthalmic composition comprising a mixture of castor oil dispersed in an aqueous carrier component and an effective amount of a tonicity component comprising a material selected from a combination of compatible solute agents for example said combination of compatible solute agents may comprise two polyol components and one amino acid component and wherein said polyol components may be erythritol and glycerol and said amino acid component may be carnitine in the embodiment of the present invention wherein the compositions include the tonicity components disclosed in the published patent application and in particular when the tonicity components are erythritol glycerol and carnitine the compositions of this invention are useful for treating eyes that are exposed to hypertonic insult similarly these tonicity components and preferably glycerin erythritol and carnitine may be included in the.