Eye drops with pharmaceutical hyaluronic acid DR. THEISS Hydro med Blue eye drops contain pharmaceutical-grade hyaluronic acid, which helps minimize the discomfort of dry eyes. For moisturized eyes, reduced redness, and brighter whites. Usable for 12 months after opening the bottle. Application : Depending on requirements, place one drop of HYDRO med Blue eye drops onto the surface of the eye or into the conjunctival sac of the eye 3-5 times daily. Note : Do not use if the bottle is damaged or if the seal is broken before first opening.