Do you see black spots or webs floating in front of your eyes? Do you see light? Let's learn about Posterior Vitreous Detachment!

Hello! Have you ever seen small black dots, spider web -like objects, or even small hair-like objects floating in front of your eyes? Sometimes you can even see a flash of light out of the corner of your eye, right? These can be very disturbing. Many people are afraid of this. So, if you have had this experience, let's talk today about what causes it, is it dangerous, and what can be done. The condition we are going to talk about is Posterior Vitreous Detachment , or PVD for short.

What is this 'Posterior Vitreous Detachment'?

Simply put, our eye is like a small ball. Inside this ball is filled with a gel -like substance. We call this the vitreous gel . This gel is what gives the eye its spherical shape and protects the delicate things inside the eye. At the back of the eye is a very thin, sensitive nerve layer. It is called the retina . It works like the film in a camera. The images we see are formed when light falls on this retina.

Now, PVD is when the vitreous gel inside the eye gradually thins out, shrinks , and separates from the retina behind it. Think of it like a jelly-like substance that thins out and slowly separates from a wall. This is a natural process that often happens as we age.

When this gel separates from the retina, as I mentioned earlier, black, gray shadows, small dots, and worms -like things start floating in front of the eyes. Some people can even see light out of the corner of their eye. It can take about four to six weeks for this gel to completely separate from the retina. If you start seeing spots like this for the first time, it is very important to see an ophthalmologist.

What are the stages of PVD?

This condition called ``(PVD)`` does not happen all at once. The gel is gradually shed in several stages. This is a natural process that occurs with age.

There are four main stages:

• Stage 1: The gel inside your eye begins to loosen a little from the macula (the part of the retina that helps us see clearly and sharply), which is the main part of the eye. But it is still attached to a small hole in the center of the macula called the fovea , which provides the sharpest vision .
• Stage 2:Now the gel is coming off a little bit from the center of the fovea, but it may still be stuck to a very small area called the foveola (which is also in the center of the fovea).
• Stage 3: At this stage, the gel has completely detached from the macula, but the optic nerve, which carries light and image information from the eye to the brain, is still attached.
• Stage 4: This is when the gel is completely removed from both the macula and the optic nerve. This is what we call complete PVD .

Knowing these stages exactly may not be that important to you, but it will help a doctor understand your condition.

How common is this condition called PVD?

This is more common than you think. This is actually a common condition that affects many people, and it occurs as they age. Statistics show that about 66 out of 100 people between the ages of 66 and 86 develop this condition. So don't worry that this is a serious illness that only affects you.

What are the symptoms of PVD?

As we've talked about a bit before, there are several main symptoms of PVD:

• Seeing things floating in front of the eyes (`(Floaters)`): This is the main symptom that many people report. Some say that these look like small insects, spider webs, hairs, or dust. Sometimes they can be seen in a round or oval shape. Doctors sometimes call these ``(Weiss rings)`` . These are very annoying when they move around, aren't they?
• Flashes of light : Some people may suddenly see flashes of light out of the corner of their eye, like a flash from a camera. These are usually seen out of the corner of their eye. They are more likely to occur in dark places. These flashes are caused by the gel pulling away from the retina as it separates.

The most important thing is to see an eye specialist immediately if you have any of these symptoms, whether they are new or worsening, as they can sometimes be signs of a more serious condition.

Usually, these symptoms gradually decrease and after a few months, your brain gets used to it and it doesn't bother you that much.

What causes PVD?

When we are young, like in our 20s, our eyes have a very thick, clear gel inside. This is called the vitreous humor.That is. To be precise, 99% of it is water, the rest is things like `(collagen)` and `(hyaluronic acid)`. As we age, the amount of water in this gel increases, and those `(collagen)` fibers break down, and the gel starts to become liquid. Then, because it doesn't have that thickness, the gel automatically shrinks and separates from the `(retina)`. This is like an old balloon shrinking when the air is let out.

Who is at higher risk of developing PVD?

Since this is a natural part of aging, it is very rare for people under the age of 40 to develop it. It is usually seen more after the age of 50. The chance of developing this increases with age.

Also, if one eye develops PVD, there is a high chance that the other eye will also develop it within the next one to two years.

In addition, some other factors may increase the risk of developing PVD:

• For those with nearsightedness (Myopia) . That is, those who can see well up close but not far away.
• For people with diabetes (`( Diabetes Mellitus)`) .
• For those who have previously suffered serious eye injuries .
• For those who have had eye surgery (for example, cataract surgery).

Can PVD cause vision loss?

This is a question that many people ask. PVD is usually painless . Also, PVD alone does not cause vision loss.

However, sometimes, when that gel comes off the retina, it can be pulled a little too hard and complications can occur. This is when vision can be affected.

Fortunately, these complications occur in less than 15 out of 100 people with PVD. This means that many people simply have PVD without any complications, and the symptoms subside over time.

The main complications that can occur are:

• Retinal tear : When the gel comes off, the retina can stretch and tear.
• Retinal detachment : A tear in the retina, allowing fluid to leak through the tear, and the retina can completely separate from the underlying tissue. This is an emergency and requires immediate treatment.
• A hole in the macula (`(Macular hole)`) : As we mentioned, a hole can form in the `(macula)`, the sharpest part of vision.
• Macular pucker (or epiretinal membrane) : A thin membrane forms over the macula, shrinking it and causing distorted vision.

This is why we say to see a doctor as soon as you start experiencing symptoms of PVD. Then we can check for any complications like this.

How does a doctor diagnose PVD?

If you have symptoms of PVD, you should see an eye specialist (ophthalmologist or optometrist) right away . He or she will examine your eyes carefully.

The main test is a dilated eye examination . In this test, the doctor puts some drops in your eye and dilates the pupil. This allows him to see the retina, optic nerve, and vitreous gel inside your eye . He uses a special light and lenses to do this. This test is not very painful, but you may feel a slight stinging sensation after the drops are applied, and your vision may be a little blurry for a few hours.

Very rarely, such as when there is a small amount of blood in the eye, and if the doctor cannot see the inside of the eye properly, they may do an ocular ultrasound . This is also painless. It uses high-frequency sound waves to look inside the eye.

What are the treatments for PVD?

This is also a problem that many people have. If there are no complications, PVD does not require any special treatment. Because it is a natural occurrence.

However, to avoid complications from PVD, it is best to have an eye exam when you first start experiencing symptoms and, if your doctor recommends, have another exam in about four to six weeks. This is called a follow-up .

During this second examination, the doctor looks for several things. One is to see if anything was missed when the initial diagnosis of PVD was made. The second is to see if any new complications have developed. For example, a retinal tear may not have been present during the initial examination, but may develop later. If there is one, it can be treated quickly.

Surgery for floaters is rarely performed, as there are risks involved (e.g., infection, cataracts, retinal detachment). However, for some people, if floaters are so bothersome that they are unable to function on a daily basis, a procedure called a vitrectomy can be performed to remove the gel. However, it is best to consult a vitreoretinal surgeon , a surgeon who specializes in the retina and the eyeball, before doing so.

Is there no way to prevent PVD from developing?

Unfortunately, there is no way to prevent PVD. It is a natural part of aging, just like our hair turns gray or our skin wrinkles.

But, the most important thing you can do is, if you notice any new changes in your vision,(For example: Suddenly seeing a lot of floaters, seeing a lot of light, feeling like part of your vision is covered by a black screen) It is important to inform an ophthalmologist immediately. This will help determine if there are other eye diseases and, if complications have occurred, treatment can be started quickly.

What does the future hold for someone with PVD?

People with PVD can usually carry out their normal activities without any problems. There is no problem with things like driving, reading, or working on a computer.

Although this condition does not go away, the floaters and flashes may gradually decrease over time, eventually becoming completely invisible. This is because your brain gradually gets used to the floaters and learns to ignore them.

It is very likely that PVD will develop in the other eye within a year or two of the initial PVD. If symptoms develop in the other eye, that eye should also be examined to make sure there is no retinal tear.

Most people do not develop complications like a retinal tear. However, it is important to have an eye exam to make sure you do not have a more serious condition.

Is there anything I can do to reduce the visibility of these floating objects at home?

Although there is no specific treatment for PVD, these things can help reduce the discomfort of floaters and flashes that come with it:

• Slowly move your eyes up, down, side to side, and in circles. Maybe the floater will move away from where you're looking straight.
• Reduce the brightness of screens such as smartphones, computers, and TVs. This may reduce the visibility of floaters.
• Use the eyeglasses prescribed by your doctor properly.
• Wear sunglasses in well-lit areas, especially when going out in the sun. This may reduce the visibility of floaters.

Although these may not provide much relief, they may help reduce the discomfort a little.

Is PVD a serious condition?

The name ``Posterior Vitreous Detachment'' can be a bit scary. But fortunately, this is not a serious eye condition on its own. It is a natural process that occurs as we age. More than half of older people in countries like the United States experience it.

Although this condition itself is not serious, the complications it can cause can be serious. If something like the retinal tear or retinal detachment we talked about occurs, it requires immediate treatment, or you could lose your vision permanently.

Therefore, if you have any symptoms of PVD, it is very important to see an eye specialist to see if there is something more serious, or if it needs to be treated. Don't worry, most of the time it is something simple.

So what are the things we need to remember from this?

Okay, so let's summarize what you need to remember from what we've talked about:

• (PVD) is the separation of the gel inside the eye from the retina as we age. This is very common and is nothing to worry about.
• If you experience floaters, black spots, or flashes of light in front of your eyes, these may be symptoms of PVD.
• If these symptoms appear suddenly, are new, or if they increase, you should definitely see an ophthalmologist. Although PVD is not dangerous, it can sometimes lead to serious complications, such as retinal tears.
• Usually, PVD does not require any special treatment. However, it is important to have follow-up tests as directed by your doctor to check for any complications.
• These symptoms will subside over time. Your brain will get used to them. So it's important to be patient and not panic.
• It is your responsibility to take care of your eyes! Seek medical advice at the right time.

I hope you find this information helpful. If you have any further questions, don't forget to talk to your doctor.