Summary:
- Eye floaters are a concern when they suddenly increase in number.
- Floaters that appear alongside flashing lights or a dark shadow may signal a retinal tear or retina detachment
- Surgery is only considered if the retina is torn or detached.
Are Floaters a Sign of a Serious Retinal Problem?
You notice small specks drifting across your vision. They move when you move your eyes and seem more obvious against a bright sky or white wall. These are called floaters.
They are common, especially as you get older. In most cases, they’re harmless. But occasionally, a sudden change in floaters can signal something more serious happening at the back of the eye. It may be a retinal tear or detachment, requiring surgery.
When should you be concerned about floaters and see a specialist? How do you even get them? Read on to find out.
What Are Floaters?
Floaters are small shapes that drift across your vision. Some look like dots. Others resemble threads, cobwebs, or faint shadows that move when your eyes move.
These floaters are not on the surface of your eye. Instead, they form inside it.
The centre of your eye is filled with a clear, gel-like substance called the vitreous. When you’re younger, this gel is smooth and firm. Over time, it naturally becomes more liquid. As it changes, tiny fibres within the vitreous can clump together. These clumps cast shadows on the retina, which is the light-sensitive layer at the back of your eye that allows you to see.
What you notice as a “floater” is actually the shadow of these tiny changes inside the eye.
Most floaters develop gradually as part of ageing. They may become more noticeable if you’re short-sighted (myopic) or after eye surgery. In many cases, they are harmless and settle over time.
However, when the vitreous pulls more firmly on the retina as it shifts, it can sometimes create a retinal tear.
When Floaters Could Be a Sign of a Serious Problem
You should take note when floaters suddenly increase in number, because it may signal a torn retina or bleed. As the gel pulls away from the retina, it may create a small tear or break a blood vessel. If fluid passes under the tear, it can lead to retinal detachment.
Most floaters are a common part of ageing – mildly annoying, but not dangerous. However, you should go for a check-up as soon as you notice:
- A sudden shower of new floaters
- Flashes of light in your peripheral vision, which means the retina is being tugged
- A dark shadow or “curtain” moving across your sight, indicating that part of the retina has already detached
- Blurred or distorted vision that wasn’t there before
Concerned about retinal detachment and whether you need surgery? Speak to a specialist today.
How a Retina Specialist in Singapore Evaluates Floaters
When you visit Lumin Eye Specialists for new or worsening floaters, our first priority is to determine whether your retina is intact.
We’ll start by getting your medical history, noting when you started seeing floaters and whether you’ve noticed any of the symptoms listed above.
Then we’ll conduct an eye exam. Your pupils will be dilated with eye drops so we can examine your retina thoroughly. This allows us to look for:
- Retinal tears
- Areas of thinning or weakness
- Bleeding inside the eye
- Signs of retinal detachment
In some cases, we may consider additional imaging such as optical coherence tomography (OCT) or ocular ultrasound.
Treatment Options if Floaters Are Problematic
We may consider the following treatments if your floaters are caused by retinal tear or detachment.
If a Retinal Tear is Found
A retinal tear can be treated with laser therapy or cryotherapy (freezing treatment) to seal the tear and prevent fluid from passing underneath the retina.
If Retinal Detachment Has Occurred
Retinal detachment surgery may involve:
- Vitrectomy (removal of the vitreous gel)
- Gas or silicone oil placement to support the retina
- Scleral buckle surgery to relieve traction
Because a surgery carries risks, we only consider it for selected patients. Most people do not need surgery for floaters alone.
Monitoring and Follow-Up After Assessment or Treatment
If your retina is intact and no immediate treatment is needed, we may recommend a follow-up review to ensure there are no delayed changes, especially if your symptoms were recent or sudden.
If you’ve had treatment for a retinal tear or detachment, we’ll monitor how your retina is healing, check that it remains attached, and assess your visual recovery.
Between appointments, you should also pay attention to new symptoms. Retinal conditions can progress quickly, so timely assessment and treatment are crucial to reducing your risk of permanent vision loss.
Preventive Measures & Eye Health Tips
You cannot fully prevent age-related floaters as the vitreous naturally changes over time.
What you can do is reduce your risk of complications and seek care early. You should:
- Attend regular eye exams, especially if you’re short-sighted.
- Seek prompt evaluation if you notice sudden visual changes.
- Protect your eyes from trauma during sports or high-risk activities.
- Manage systemic conditions such as diabetes and hypertension, which can affect retinal health.
Frequently Asked Questions
Do eye floaters get worse with age?
Floaters tend to become more common as you get older. The vitreous gel naturally becomes more liquefied over time, which can create more visible clumps and shadows. Most age-related floaters are harmless.
Is it safe to ignore eye floaters?
It depends on how they appear. Long-standing, stable floaters are usually safe to monitor, but sudden new floaters — especially with flashes or shadows — require urgent assessment.
Is retinal detachment a serious surgery?
Yes, retinal detachment repair is a significant eye surgery. It’s performed to preserve vision, and outcomes depend on how early the condition is treated.
Do you need retinal detachment surgery if you have floaters?
Typically, surgery is only considered if the vitreous pulls hard enough on the retina to cause a tear, and that tear progresses to a retinal detachment. In this case, it is the detachment — not the floaters — that requires surgery.
How long can retinal detachment go untreated?
Retinal detachment should not be left untreated. The longer the retina is detached, the higher the risk of permanent vision loss.
Concerned About New or Sudden Floaters?
At Lumin Eye Specialists, our specialists perform retinal examinations to identify retinal tears or detachment and advise you on whether you need surgery or other treatments.