A 2025 guide comparing Alphagan (brimonidine) with Timolol, Latanoprost, and Dorzolamide, covering efficacy, side‑effects, cost, and how to pick the right glaucoma drop.
Eye Pressure Medication
When you hear the term Eye pressure medication, any drug that reduces the fluid pressure inside the eye. Also known as IOP medication, it is a cornerstone in treating conditions that threaten vision.
One of the most common conditions that eye pressure medication manages is glaucoma, a group of eye diseases where high intraocular pressure damages the optic nerve. When glaucoma progresses, the pressure‑lowering drugs become essential to prevent permanent sight loss. The pressure itself is measured as intraocular pressure, the fluid pressure inside the eye, usually expressed in mmHg. Keeping this number within a safe range guides doctors on how much medication to prescribe and whether adjustments are needed.
Key Drug Classes and How They Work
The most widely used class is prostaglandin analogs, drugs that increase fluid outflow through the eye’s drainage pathways. They are often first‑line because a single daily drop can lower pressure by 20‑30%. Another major group includes beta‑blocker eye drops, medications that reduce fluid production by blocking beta receptors in the eye. Beta blockers are useful when a patient cannot tolerate prostaglandins or needs additional pressure control.
Beyond those, there are carbonic anhydrase inhibitors that cut fluid production, alpha agonists that both increase outflow and decrease production, and newer Rho‑kinase inhibitors that target the drainage meshwork. Choosing the right mix depends on a patient’s health profile, how high their intraocular pressure is, and whether they have side‑effects from a particular drug. For example, a patient with asthma may avoid beta‑blockers, while someone with a history of dry eye may prefer a prostaglandin with a preservative‑free formulation.
Understanding these relationships helps you see why eye pressure medication is more than a single pill—it’s a tailored toolbox that responds to the pressure numbers, disease stage, and individual tolerance. Below you’ll find a curated collection of articles that break down each drug class, share safety tips, and compare alternatives, giving you practical insight you can use right away.