Restasis Ophthalmic Emulsion, 30 x 0.4 ml is a member of the immunosuppressant drug class used to treat severe keratitis (corneal inflammation) in adults. Additionally, it is used to patients with dry eyes whose condition has not improved with artificial tears. When tears are unable to adequately lubricate the eye, a common ailment known as dry eye develops.Disclaimer:For more information contact your physician.