What are eye floaters? They are small spots, threads, specks, rings, or cobweb-like shapes that seem to drift through your vision. They may move when your eye moves, then slide away when you try to look at them directly.
Most floaters come from normal changes inside the eye. However, a sudden increase in floaters can also be a sign of a retinal tear, retinal detachment, bleeding, or inflammation.
That is why timing matters. Floaters that have been stable for years are usually less concerning than a sudden increase of floaters, especially accompanied with flashes of light or a shadow in your vision.
At Retina Consultants of New Mexico, we evaluate new or changing floaters, flashes of light, and other retinal warning signs for patients in Albuquerque and surrounding New Mexico communities.
What Are Eye Floaters and Why Do You See Them?
Eye floaters are shadows that appear in your vision. They are not objects sitting on the surface of your eye.
Inside the eye is a clear, gel-like substance called the vitreous. Light passes through the vitreous before reaching the retina. The retina is the light-sensitive tissue at the back of the eye that sends visual signals to the brain.
Over time, the vitreous can change texture. Small clumps, strands, or fibers may form inside it. When light enters the eye, these clumps can cast shadows on the retina. Your brain sees those shadows as floaters.
The Mayo Clinic describes floaters as black or gray specks, strings, or cobwebs that drift as your eyes move. It also notes that most floaters are caused by age-related changes in the vitreous.
Floaters can be very distracting. They may be more noticeable when you look at a bright wall, a clear sky, a computer screen, or a white page. Many people notice them more in bright settings because there is more contrast.
What Do Eye Floaters Look Like in Your Vision?
Patients describe eye floaters in many ways. Some may see dots while others see lines, loops, rings, strings, circles, shadows, or cobwebs.
A floater may look like:
- A small dark speck
- A gray thread
- A clear bubble
- A ring or circle
- A hair-like line
- A spiderweb shape
- A cloud or smudge
- A drifting shadow
Floaters usually move with your eyes. They may slide across your vision when you shift your gaze and may seem to dart away when you try to focus on them.
Some floaters become less noticeable over time. That does not always mean they disappear. The brain can learn to ignore them, or the floater may settle lower in the vitreous, where it is less visible.
The key question is not only, “What do floaters look like?” It is also, “Did they change suddenly?” A sudden increase in floaters can be a warning sign that requires prompt evaluation.
Are Eye Floaters in Front of Your Eye or Inside It?
Eye floaters are inside the eye, not in front of it.
This can feel strange because the shapes seem to float in the space in front of you. However, the source is usually inside the vitreous, which sits behind the lens and in front of the retina.
Wiping, blinking, or rinsing your eyes will not remove floaters. They are not mucus, dust, eyelashes, or debris on the surface of the eye.
That is also why new or changing floaters should be evaluated with a retinal exam when they are new or changing. A doctor cannot fully evaluate the cause by looking only at the front of the eye, the retina and vitreous need to be checked.
What Causes Eye Floaters to Appear?
Causes of eye floaters range from common age-related changes to more urgent retinal problems.
The most common cause is age-related changes in the vitreous. As the vitreous ages, it becomes more liquid and can shrink. Collagen fibers inside it can clump together, and those clumps cast shadows on the retina.
Other causes may include:
- Posterior vitreous detachment
- Retinal tear
- Retinal detachment
- Bleeding inside the eye
- Diabetic retinopathy
- Eye inflammation
- Eye trauma
- High nearsightedness
- Prior eye surgery
- Certain retinal diseases
Some causes need monitoring, while others need prompt treatment. That is why new floaters should not be ignored, especially if they appear with flashes, blurry vision, or a curtain-like shadow.
Why Do Eye Floaters Happen More as You Get Older?
Eye floaters become more common with age because the vitreous changes over time.
In childhood and early adulthood, the vitreous is usually more gel-like. As people get older, it becomes more liquid. It may shrink and pull away from the retina. This process can cause new floaters.
This age-related separation is called posterior vitreous detachment (PVD). PVD is common, and it often causes floaters or flashes. The American Society of Retina Specialists notes that floaters and flashes of light are common symptoms during the first few weeks of posterior vitreous detachment.
PVD itself is often not dangerous. The concern is that the vitreous can sometimes pull hard enough to tear the retina. If fluid passes through a tear and lifts the retina, retinal detachment can occur.
That is why new floaters in older adults deserve attention. It may be a normal vitreous change, but the retina still needs to be examined.
Can Diabetic Retinopathy or Other Eye Conditions Cause Floaters?
Yes, diabetic retinopathy and other eye conditions can cause eye floaters.
Diabetic retinopathy can damage small blood vessels in the retina. In more advanced cases, fragile, abnormal blood vessels can bleed into the vitreous. Blood in the vitreous may appear as floaters, dark spots, haze, or sudden changes in vision.
Floaters can also occur with inflammation inside the eye, which is called uveitis. Inflammation may cause cells or debris in the vitreous that appear as spots or shadows.
Eye injuries can also cause floaters. Trauma may lead to bleeding, retinal tears, or changes in the vitreous. Any new floaters after an eye injury should be evaluated quickly.
People with high nearsightedness also have a higher risk of certain retinal problems. The eye may be longer than average, which can place more stress on the retina, which can raise the risk of tears or detachment.
Are Eye Floaters Dangerous or Usually Harmless?
Many eye floaters are harmless. They may be frustrating, but they do not always mean something is wrong with your eyes.
Stable floaters that have been present for months or years are often less concerning. They may remain noticeable in bright light, then fade into the background during daily activities.
However, new floaters are different. A sudden increase in floaters can be a warning sign of a retinal tear, bleeding inside the eye, or retinal detachment.
The National Eye Institute says floaters are usually not serious, but a sudden increase in floaters, flashes of light, or a shadow in your vision can be symptoms of retinal detachment. It also lists a dilated eye exam as the way floaters are diagnosed.
So, are eye floaters dangerous? In some cases they may be. The symptom itself does not tell the full story. The underlying cause does.
How Do You Know When Eye Floaters Are a Serious Problem?
You should be more concerned when eye floaters are new, appear suddenly, or change.
A serious retinal problem is more likely when floaters appear with other warning signs. These may include flashes, blurry vision, loss of side vision, or a dark curtain in your vision.
Symptoms of a retinal tear can overlap with normal PVD symptoms, which is the problem. Both can cause new floaters, occur without pain, or happen suddenly.
A retinal tear cannot be ruled out without an eye exam. If a tear is found early, treatment may help prevent a retinal detachment. The American Society of Retina Specialists notes that retinal tears are often treated with laser or cryotherapy (freezing treatment), and the outlook is very good when treated before detachment develops.
Do not wait for pain before seeking care. Retinal tears and detachments may not always hurt.
When Should You See a Doctor About Eye Floaters?
You should see an eye doctor promptly if eye floaters are new, appear sudden, become more frequent, or worsen.
You should also schedule an exam if floaters interfere with reading, driving, work, school, or daily tasks. Even when floaters are not dangerous, they can affect quality of life.
A retina specialist is especially important when floaters may involve the vitreous or retina. The specialist can examine the back of the eye and check for tears, bleeding, traction, detachment, or other retinal changes.
For patients searching for floater treatment in Albuquerque, Retina Consultants of New Mexico provides retinal evaluation for new floaters, chronic floaters, and floaters with flashes of light.
What Are the Warning Signs That Need an Urgent Eye Exam?
Some floater symptoms need urgent care. Do not wait days or weeks if warning signs are present.
Seek urgent eye care if you notice:
- A sudden increase in floaters
- Floaters and flashes of light
- A dark curtain or shadow in your vision
- Sudden blurry or distorted vision
- Loss of side vision
- Many new black spots
- Floaters after eye trauma
- Floaters with eye pain or redness
- Floaters with known diabetic eye disease
The National Eye Institute lists a sudden increase in floaters, flashes of light, and a shadow in the field of vision as possible symptoms of retinal detachment.
The American Academy of Ophthalmology also identifies sudden flashes of light, new floaters, and a shadow in vision as warning signs of a torn or detached retina.
These symptoms can appear quickly. They may affect one eye. They may also happen without pain. If you are unsure which eye is affected, cover one eye at a time and compare. Then call for care.
How Are Eye Floaters Evaluated During a Retinal Exam?
A retinal exam helps determine whether floaters are harmless or linked to a serious eye problem.
The evaluation usually starts with questions about your symptoms. Your doctor may ask when the floaters started, how many you see, whether they are getting worse, and whether you also have vision flashes or loss.
You may also be asked about diabetes, high blood pressure, eye injury, previous eye surgery, family history of retinal detachment, and nearsightedness. These details help identify potential risk factors.
An important part is the dilated eye exam. Dilating drops widen the pupil so the doctor can see the retina more clearly. This allows a detailed view of the back of the eye and the outer areas of the retina, where tears can occur.
Your exam may include:
- Visual acuity testing
- Eye pressure measurement
- Dilated retinal exam
- Slit-lamp evaluation
- Retinal imaging
- Optical coherence tomography, also called OCT
- Ultrasound if the view is blocked by bleeding or dense floaters
OCT provides detailed images of the layers of the retina and macula. Ultrasound may help when your doctor cannot see the retina clearly, such as when blood or dense vitreous debris blocks the view.
After the retinal exam, your specialist can explain whether the floater is caused by a routine vitreous change, a PVD, bleeding, inflammation, a retinal tear, or another eye condition.
Identifying the underlying cause is important because treatment for eye floaters depends on what is causing them.
What Treatment Options Exist for Severe Eye Floaters?
Most eye floaters do not need treatment. If the retina is healthy and the floaters are mild, observation may be the safest approach.
Many people adapt to floaters over time. The brain may learn to ignore them. Some floaters shift position and become less noticeable.
However, severe floaters can affect daily life. They can make it harder to read, drive, use a computer, or work in bright settings. If floaters are dense, persistent, or interfere with daily activities, a retina specialist may discuss treatment options.
Treatment for eye floaters may include:
- Monitoring if there is no retinal tear or disease
- Treatment of the underlying cause, such as inflammation or bleeding
- Laser or freezing treatment if there is a retinal tear
- Surgery in select cases of severe floaters
If floaters come from bleeding related to diabetic retinopathy, treatment may focus on diabetic retinopathy. That may include retinal laser, injections, surgery, or close monitoring, depending on the case.
If floaters are caused by inflammation, treatment may focus on reducing inflammation and addressing its underlying cause.
If a retinal tear is present, the priority is protecting the retina. Treatment may be needed even if the floaters themselves are not the primary concern.
When Is Vitrectomy Considered for Severe Eye Floaters?
Vitrectomy for floaters may be considered when eye floaters are severe, persistent, and interfere significantly with vision or daily function.
During a vitrectomy, the surgeon removes most of the vitreous gel and the vitreous debris causing floaters. The American Society of Retina Specialists notes that vitrectomy can be performed as an outpatient procedure with local anesthesia and can remove nearly all vitreous opacities. The procedure carries risks, including cataract formation, retinal tear, retinal detachment, macular pucker, macular edema, and a small risk of vision loss.
That is why vitrectomy is not the first treatment option for every patient struggling with floaters. The decision depends on symptom severity, eye health, age, lens status, retinal risk, and how much the floaters affect daily life.
A retina specialist can explain whether surgery is appropriate for your specific situation. For many patients, monitoring may be the safer approach. For select patients with severe floaters, surgery may be worth discussing.
What You Should Do Next if You Notice Floaters
Start by paying attention to the pattern and ask yourself a few practical questions.
Did the floaters appear suddenly? Are there many new floaters? Are you also seeing flashes of light? Is there a shadow, curtain, or missing area in your vision? Did symptoms start after an eye injury? Do you have diabetes or a history of retinal disease?
If the answer is yes to any of these, schedule an urgent eye exam.
If the floater is old, stable, and not accompanied by other symptoms, it may not be an emergency. Still, mention it during your next eye exam. Stable symptoms still deserve routine monitoring.
Do not try to treat floaters with eye drops, rinses, supplements, or online remedies. Most floaters are inside the eye, and surface treatments will not remove them.
Do not ignore a sudden change. Retinal problems are often easier to treat when found early.
Retina Consultants of New Mexico evaluates floaters, flashes, retinal tears, diabetic retinal disease, and other retina-related symptoms in Albuquerque. Learn more about us or contact us to request a retinal evaluation.
What are eye floaters? In many cases, they are shadows from natural vitreous changes. But when they appear suddenly, increase quickly, or happen with flashes or vision loss, they can be a warning sign. A retinal exam is the safest way to know what is happening and what to do next.