Apraclonidine (iopidine) is a relatively selective a2 agonist that is used topically to reduce intraocular pressure with minimal systemic effects; apraclonidine seems not to cross the blood—brain barrier and is more useful than clonidine for ophthalmic therapy. The drug is useful as short-term adjunctive therapy in glaucoma patients whose intraocular pressure is not well controlled by other pharmacological agents and to control or prevent elevations in intraocular pressure that occur in patients after laser trabeculoplasty or iridotomy (see Chapter 63).

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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