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Can an Optometrist Detect Glaucoma?

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Some eye conditions make themselves known quickly, but glaucoma doesn’t.

It doesn’t hurt. It doesn’t blur your vision all at once. It just starts slowly and quietly. And for many people, the first sign is a blind spot that wasn’t there before. By that point, some damage may already be permanent.

That’s what makes early detection so important, and why optometrists often play a key role in finding it before it progresses.

What Glaucoma Actually Is

Glaucoma isn’t just one condition, and it doesn’t always show up the same way.

At its core, it affects the optic nerve, which carries everything you see to your brain. When that nerve starts to wear down, you begin to lose parts of your vision. Not all at once. Not in a way that’s easy to notice. But gradually, and irreversibly.

The most common form is open-angle glaucoma. It often develops over the years without any noticeable symptoms. Many people experience no symptoms until partial vision loss has already occurred.

Other forms progress more rapidly. Angle-closure glaucoma can trigger sudden eye pressure spikes, causing severe eye pain, nausea, or sudden vision changes. While this type is rare, it requires immediate medical intervention.

There are also less typical forms like normal-tension glaucoma, which can occur even when eye pressure is normal, and secondary glaucoma, which may follow an injury or long-term medication use.

Each type is different. But all share the same risk: once vision is lost, it cannot be restored.

How Optometrists Help Catch It Early

The early signs of glaucoma are subtle. Most people won’t realise anything’s changed until it’s already progressed.

Optometrists, however, are trained to detect the subtle signs, slight increases in eye pressure, minor changes in the optic nerve, or early gaps in peripheral vision that you may not yet notice.

That’s why a regular eye test can be so valuable. It’s not just a box to tick. It’s a way to stay ahead of problems before they affect your daily life.

The process is simple and non-invasive. If you’ve had a full exam before, you might already be familiar with parts of it, like checking your eye pressure, optic nerve scans and visual field testing. These tools are often also used when assessing conditions like astigmatism or short- and long-sightedness, though the focus with glaucoma is different.

Common tests include:

  • Measuring eye pressure

  • Imaging the optic nerve

  • Mapping peripheral vision

  • Examining the drainage angle

Together, they help build a clearer picture of how your eyes are functioning and whether glaucoma could be developing.

Risk Factors Worth Knowing

Glaucoma can affect anyone, but some people are more likely to develop it.

You may be at higher risk if you:

  • Have a family history of glaucoma

  • Are over 50

  • Have high eye pressure

  • Have experienced eye injuries or surgery

  • Use corticosteroids long-term

  • Have diabetes or blood pressure issues

Even if your vision feels fine, these factors may be a reason to check in more regularly.

When It’s Time to Check In

If you’re in Browns Plains, Forest Lake or the surrounding suburbs, quality care is closer than you think. You don’t need to wait for something to feel wrong to prioritise your eyes.

Glaucoma often develops quietly, but with proper care, it can still be detected early. 

EyeSelect has supported the local community for over 40 years, offering personalised care with a focus on long-term vision health. When you’re ready, you can get in touch and take that next step. No rush. Just support when it’s needed.

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