Early Detection and Prevention of Glaucoma

Early Detection and Prevention of Glaucoma

Something you may not have thought about before is your risk for developing glaucoma. If you’re a regular Rebuild Your Vision reader, you’ve heard us talk about this disease before, but if you’re young, you probably haven’t given it too much thought.  It’s true –  younger readers aren’t really at risk of developing glaucoma in the immediate future. However, if you’re over 60 years old, or have a family history of glaucoma, you should start taking some steps toward glaucoma prevention.

Early Detection and Prevention of GlaucomaGlaucoma is a common, often very hard-to-catch eye disorder. So hard to catch, in fact, that a comprehensive examination is often the only way to definitively diagnose it. Although no one likes to visit the opthalmologist any more than they have to, early detection of glaucoma is the closest thing you’ll find to a guarantee of effective treatment. The longer a case goes untreated, the more damage it does. This ultimately makes the disease much harder to treat.

If you fall into any of the at-risk demographics (we’ll go over them below), and even if you don’t, consider making time for an appointment sooner rather than later. After all, it may be the one thing that saves your sight.

What Is Glaucoma?

Glaucoma is a widely applied term that covers a range of diseases that damage the optic nerve, a part of the eye responsible for relaying visual information to the brain. However, for most intents and purposes, the word refers to one disease: primary open-angle glaucoma. Open-angle glaucoma affects as many as one percent of all Americans, many of whom have absolutely no idea that they’re living with it.

Often referred to as “the silent killer of sight,” open-angle glaucoma progresses without causing any obvious symptoms – or really any symptoms at all. While the exact causes are still being studied, open-angle glaucoma manifests as very slowly increasing intraocular (within the eye) pressure. As this occurs, the cornea adapts, but does not swell, meaning that the disease can progress without any physical signs. Prolonged exposure to this higher pressure will eventually kill nerve cells in the eye, which causes a glaucoma patient to lose parts of their field of (usually peripheral) vision.

Risk Factors

Age is often the primary risk factor for development of glaucoma. The older you are, the more likely you are to run into the disease. Risks become particularly pronounced for anyone 60 years of age or older.

Race also figures into the conversation. Some ethnic backgrounds are more predisposed to glaucoma. African Americans have an elevated chance to contract glaucoma, and also tend to do so at younger ages, and should start scheduling exams after age 40. Those of Latinx and Asian descent should also be extra wary of glaucoma.

As with many other diseases, family history is also important. If you have relatives, particularly close relatives, who have developed the disease, you yourself are likely at greater risk as well.

Other factors may also be important in determining risk. Diabetics often have damaged blood vessels in their eyes, a problem that can lead to impaired blood flow, followed by an increase in intraocular pressure. Hypertension may also stack the odds against you. Various eye disorders can indicate a potentially at-risk eye – nearsightedness (myopia), farsightedness (hyperopia), eye inflammation or injury, and certain types of eye surgery  have all been identified as red flags.

Diagnosis

The sneaky progression of glaucoma makes it highly unlikely for a sufferer to diagnose themselves. Closed-angle glaucoma, a different variant of the disease, can announce itself with an incredibly painful acute closure. Still, closed-angle accounts for only 10 percent of glaucoma cases, while open-angle, the much more common version, is completely painless.

Loss of peripheral vision can be a sign of advancing glaucoma, but it happens much too slowly for an average glaucoma patient to notice. No, the only sure way to catch glaucoma is schedule regular exams. Your visit frequency can vary depending on your risk factors, but if you’re over 40, you should start getting screened semi-regularly. If you’re older than 65, you should be checked every two years.  If you’re at risk, you should schedule screenings even more frequently.

Once inside a opthalmologist’s office, glaucoma becomes a little easier to catch. A physician can test intraocular pressure, field of vision, corneal thickness, and do a fluid-tracking test called a gonioscopy. And after a case is detected, treatment can begin.

There’s also another type of glaucoma, normal-tension glaucoma, that you should be on the look out for if you have family history of this disease. This version is a bit more rare, but it’s also much harder to detect. This is why knowing your family’s history of vision disorders is so important – it’s the best form of glaucoma prevention.

Treating Glaucoma and Glaucoma Prevention

While there’s no full cure for glaucoma, early treatment can control the disease. It can even halt its progression and provide extra years of healthy vision to a patient. Prescribed eye drops and pills can both effectively reduce the buildup of pressure within the eye. If taken consistently, this is often enough to keep an advancing case at bay without taking more drastic measures.

If drastic measures are called for, surgery is the go-to solution. Laser surgery either relies on either increasing the drainage capacity of an eye, or damaging its ability to manufacture more fluid. The net result of either method is hopefully a reduction in the volume of liquid in the eye. If laser surgery fails, traditional surgery is the next step. Surgeons seek to create new drainage paths for fluid, or to implant small drainage devices. These options are important to consider if your disease has progressed too far.

In any case, it’s important to note that early treatment is vital. Increasing intraocular pressure isn’t a death knell for healthy sight, but it has to be controlled quickly. If left unchecked, the damage it does to nerves in the eye is completely irreversible. Sometimes, it’s best not to delay that exam; if you have more than one of the risk factors listed above, schedule an eye exam. After all, early detection is the best form of glaucoma prevention.

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Join or Start the Discussion

  1. Avatar for Tyler Sorensen Jozef Berkhof says:

    is there a special vitamin or food to take care of the glaucoma problem and if so what might it be?

  2. Avatar for Tyler Sorensen Anonymous says:

    I am digonised with high pressure in my eyes this is good information

  3. Avatar for Tyler Sorensen micheal says:

    Which foods help regulate eye pressure

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About the Author

Avatar for Tyler Sorensen

Tyler Sorensen is the President and CEO of Rebuild Your Vision. Formerly, Tyler studied Aeronautics (just like his brother) with the dream of becoming an airline pilot, however, after 9/11 his career path changed. After graduating top of his class with a Bachelor of Science in Informational Technologies and Administrative Management, he joined Rebuild Your Vision in 2002. With the guidance of many eye care professionals, including Behavioral Optometrists, Optometrists (O.D.), and Ophthalmologists (Eye M.D.), Tyler has spent nearly two decades studying the inner workings of the eye and conducting research.

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