July 13, 2026

Why Do I Have Eye Floaters? When They’re Normal… And When They’re an Emergency

Most people notice them at some point.

You’re looking at a clear blue sky, reading a bright screen, or staring at a white wall when something drifts across your vision. You try to look directly at it, but it seems to float away.

These are called eye floaters, and in many cases they’re a completely normal part of aging. But while most floaters aren’t cause for concern, there are situations where they can signal a much more serious problem that needs immediate attention.

Knowing the difference could help protect your vision.

What are eye floaters?

Floaters are tiny clumps of collagen or cells inside the gel-like substance that fills the back of your eye, known as the vitreous.

As light passes through your eye, these tiny clumps cast shadows onto the retina. Those shadows are what you see drifting across your field of vision.

People describe them in different ways. Some see black dots. Others notice squiggly lines, cobwebs, circles, or small transparent strands that seem to move whenever their eyes move.

They can be frustrating, but they’re also incredibly common.

Why do they appear?

The most common reason is simply getting older.

As we age, the vitreous slowly changes from a firm gel into a more liquid consistency. During this process, tiny collagen fibres can stick together, creating the floaters you notice.

This change often becomes more noticeable after the age of 50, although it can happen earlier.

You’re also more likely to experience floaters if you:

• Are very nearsighted (myopic)
• Have had cataract surgery
• Have experienced an eye injury
• Have diabetes affecting the eyes
• Have had inflammation inside the eye

For most people, these floaters become less noticeable over time as the brain gradually learns to ignore them.

When are floaters considered normal?

A few occasional floaters that appear gradually and remain relatively stable are usually nothing to worry about.

Many people live with them for years without experiencing any changes in their vision.

If you’ve had the same small floater for months or even years and nothing else has changed, it’s generally considered part of the normal aging process.

That said, every new floater deserves at least some attention. An eye examination is the best way to determine exactly what’s causing it.

When should you seek immediate care?

While most floaters are harmless, a sudden change can be a sign of a retinal tear or retinal detachment.

These conditions can threaten your sight if they aren’t treated promptly.

Seek urgent eye care if you notice:

• A sudden shower of new floaters
• Flashes of light, especially in your side vision
• A dark curtain or shadow moving across your vision
• Sudden blurred or missing areas of vision
• Floaters that appear after an eye injury

These symptoms don’t always mean you have a retinal detachment, but they should never be ignored.

The earlier these conditions are diagnosed, the better the chance of preserving your vision.

What happens during an eye exam?

If you come in with new floaters, your optometrist will perform a thorough examination of the back of your eye.

This often includes dilating your pupils with eye drops to allow a clear view of the retina.

The goal is to determine whether your floaters are simply age-related or whether there’s a retinal tear, bleeding, inflammation, or another condition requiring treatment.

Most examinations are straightforward and painless, and they provide valuable peace of mind.

Can eye floaters be treated?

Most floaters don’t require treatment.

In fact, many become less noticeable over time as they settle lower inside the eye and your brain adapts to seeing them.

In rare cases where floaters are severe enough to interfere with daily life, treatment options may be discussed with an ophthalmologist. These can include laser procedures or surgery, although these treatments are reserved for select situations because they carry their own risks.

The most important step is determining whether the floaters are harmless or the sign of a more serious problem.

Don’t Ignore Sudden Changes

Most eye floaters are simply a normal part of aging and don’t pose a threat to your vision.

But if you notice a sudden increase in floaters, flashes of light, or any loss of vision, don’t wait to see if they disappear on their own.

Prompt assessment can make all the difference.

If you’ve recently noticed new floaters or any sudden changes in your vision, the team at Cedar Park Vision Care is here to help. A comprehensive eye examination can determine the cause and ensure your eyes remain healthy for years to come.