Elevated Eye Pressure: What It Means and How It Affects Your Vision
When you hear elevated eye pressure, the buildup of fluid inside the eye that increases force on the optic nerve. Also known as intraocular pressure, it’s not a disease on its own—but it’s the biggest warning sign for glaucoma, a group of eye conditions that destroy the optic nerve, often without early symptoms.
Most people with high eye pressure feel nothing. No pain. No blur. No redness. That’s why it’s called the "silent thief of sight." The fluid in your eye, called aqueous humor, should drain out smoothly. When it doesn’t—because of clogged drainage channels, age, genetics, or even long-term steroid use—the pressure climbs. Over time, that pressure crushes the delicate nerve fibers that send visual signals to your brain. Once those fibers die, you can’t get them back. That’s why catching elevated eye pressure early is the only way to stop permanent vision loss.
Not everyone with high pressure develops glaucoma, and some people with normal pressure still get it. But if your pressure stays above 21 mmHg over time, your risk goes up. Certain groups are more vulnerable: people over 60, those with a family history of glaucoma, diabetics, and Black or Hispanic individuals. Medications like corticosteroids—even eye drops—can raise pressure. So can thin corneas or extreme nearsightedness. You don’t need to wait for symptoms. Regular eye exams with a pressure check are your best defense.
What you’ll find in the posts below isn’t a list of generic advice. It’s real-world guidance from people who’ve dealt with the aftermath of overlooked pressure, doctors who’ve seen how quickly things go wrong, and patients who found ways to manage it without drastic surgery. You’ll see how common drugs like diuretics and NSAIDs can quietly affect eye pressure, how aging changes drainage systems, and what alternatives exist when standard treatments don’t work. Some posts dig into how other conditions—like kidney disease or thyroid disorders—tie into eye health. Others show how simple lifestyle shifts can make a measurable difference. This isn’t about fear. It’s about awareness. And if you’ve ever been told your pressure is high, or if you’re just curious why your eye doctor keeps asking about it, these posts give you the clear, no-fluff facts you need to act.