Glaucoma is a leading cause of irreversible blindness worldwide. The scary part? You can lose vision slowly without pain or obvious warning signs. That’s why spotting the early clues and getting the right tests matters.
Glaucoma means damage to the optic nerve, often linked to higher-than-normal eye pressure. An eye doctor diagnoses it with a few quick tests: tonometry (measures eye pressure), visual field testing (checks your peripheral vision), OCT or fundus photos (look at the optic nerve and retinal layers). You may have normal pressure and still have glaucoma, so doctors combine tests to get a clear picture.
If you have a family history, are over 60, have diabetes, use steroid drops, or are very nearsighted, tell your eye doctor. They’ll likely recommend screening more often. Early detection gives you the best chance to keep your vision.
There’s no cure that restores lost vision, but treatments slow or stop progression. Eye drops are the first line for many people. Common classes include prostaglandin analogs (reduce pressure by improving fluid outflow), beta-blockers (lower fluid production), alpha agonists, and carbonic anhydrase inhibitors. Each has possible side effects—dry eyes, blurry vision, or a slower heart rate—so talk about what fits you.
Laser treatments like SLT (selective laser trabeculoplasty) lower pressure by helping fluid drain. It’s quick and often done in the clinic. If drops and laser aren’t enough, surgeries such as trabeculectomy or MIGS (minimally invasive glaucoma surgery) create new drainage paths. Your surgeon will explain risks and recovery.
Living with glaucoma means daily habits matter. Use your drops exactly as prescribed—missing doses raises pressure and risk. Set a phone alarm, use a pillbox-style drop organizer, or link drops to a regular habit like brushing your teeth. Keep regular follow-ups; visual field tests and imaging track subtle changes over time.
Small lifestyle moves help: regular moderate exercise can lower eye pressure, avoid smoking, and manage blood sugar and blood pressure. Don’t strain with heavy lifting or hold your breath during workouts. Wear eye protection for sports and ask your doctor about safe supplements if you’re considering them.
Watch for emergencies: sudden severe eye pain, red eye, nausea, and rapid vision loss can mean acute angle-closure glaucoma. This needs immediate treatment to prevent permanent blindness—call emergency services or your eye clinic right away.
When you see your eye doctor, ask clear questions: What is my target eye pressure? How often should I test my vision? What side effects should I expect from the drops? Can we try laser or minimally invasive surgery? Asking helps you stay in control.
Glaucoma is manageable when caught early and treated consistently. Stay informed, keep appointments, and make drop routines part of your day. Your vision depends on it.