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What Causes Floaters?

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Key Takeaways

  • Floaters are small shadows cast by clumps inside your eye.
  • Most floaters come from normal age-related changes in the eye’s gel.
  • Nearsightedness and long screen sessions can make them stand out more.
  • A sudden burst of floaters, flashes, or a dark curtain calls for a same-day exam.
  • Many floaters fade from view, and a dilated exam helps track anything that changes.

Those tiny specks that drift across your vision on a bright day can feel puzzling, and you might wonder if they mean trouble. Windsor Eye Care hears this question from families all the time, and the answer is usually more reassuring than you’d expect. If you’ve been squinting at a squiggle that won’t sit still, you’re in good company.

Most floaters come from normal changes in the gel inside your eye as it ages, though a sudden batch of them can point to something that needs a quick eye exam.

Common Reasons You See Floaters

Age-Related Changes Inside Your Eye

Your eye is filled with a clear gel called the vitreous. Over the years, that gel slowly shrinks and turns more watery. As it does, thin collagen fibers inside start to bunch together.

Those little bundles are the clumps that cast the shadows you notice. This shift is a normal part of getting older, and it’s one of the more frequent reasons people notice new floaters in their late 30s and beyond.

Nearsightedness and Everyday Factors

If you’re nearsighted and reach for glasses to see far away, you might spot floaters earlier than others. The shape of a nearsighted eye can bring these changes on sooner.

Screen time plays a part too. Long stretches on a laptop or phone don’t create floaters, but staring at a bright, plain background can make the ones you already have easier to see.

Health Conditions Linked to Floaters

Sometimes floaters point to something happening inside the eye beyond normal aging, including:

  • Inflammation inside the eye can release cells and debris that you see as floaters.
  • Bleeding linked to diabetes or high pressure can send small specks into the vitreous.
  • A past eye injury or surgery can leave changes that lead to floaters later on.

None of these mean something is wrong for certain, but they’re worth a closer look. An exam can sort out what’s behind them.

When Floaters Need a Closer Look

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Warning Signs to Watch For

Most floaters are harmless. A few patterns, though, mean you’ll want to be seen right away rather than waiting for your next visit, including:

  • A sudden burst of new floaters all at once.
  • Flashes of light, like quick sparks or lightning at the edge of your vision.
  • A dark curtain or shadow moving in from the side.

If any of these pop up, call our team the same day. Quick action helps.

Why a Dilated Eye Exam Helps

During a dilated exam, drops widen your pupil so your eye doctor can see the retina and vitreous clearly. It’s a bit like opening a door wider to check the whole room instead of peeking through a crack.

This view helps your eye doctor catch things like a small retinal tear early, when there are more options to manage it. That’s the real value of getting floaters checked instead of guessing.

Do Floaters Go Away?

Your brain typically learns to tune them out, the same way you stop noticing a hum from the fridge. Weeks or months later, you might realize you’ve stopped seeing that squiggle at all, but that does not mean they go away.

Options for Bothersome Floaters

When floaters stick around and get in the way, a few steps can help you stay comfortable and keep an eye on things:

  • Regular exams to track any changes over time.
  • Protective eyewear during sports and hands-on work to lower the chance of injury.
  • Surgery, which eye doctors reserve for severe cases where floaters seriously block vision.

Most people never need that last step. For the majority, checkups and a little patience are all it takes.

We Can Help

Floaters are usually just part of how your eyes change over time. Our team at Windsor Eye Care can take a look, answer your questions, and help you feel at ease about what you’re seeing. Ready to get those floaters checked? Book your visit with our team today.

Written by Dr. Gemma Patel

Dr. Gemma Patel was born in England and has called Atlanta home for the last 25 years. She is a graduate of the back-to-back national champions University of Georgia (Go Dawgs!), where she earned her Bachelor of Science in biology and psychology. She continued her professional training in Chicago at the Illinois College of Optometry, completing the doctoral program with honors.

During her time as a doctoral student, she was elected to the Beta Sigma Kappa Honor Society. After graduation, Dr. Patel moved back to Atlanta and completed her residency at one of the top surgical groups in Atlanta, receiving advanced training in eye diseases and managing post-surgical cases.

Patients appreciate Dr. Patel’s thorough eye exams and her warm personality. In her spare time, Dr. Patel enjoys cheering on the Georgia Bulldawgs and Atlanta Braves. You may catch her at softball and baseball practice with her kids at NYO Chastain or a date night with her husband at a local restaurant.

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