Have you ever had something like a small blister or a fluid-filled lump inside your eye? Or do you feel uncomfortable as if something is stuck inside your eye? It could be a `Conjunctival Cyst`. Although the name may sound a little scary, it is not cancer and there is nothing to worry about . Let's talk about this simply, in a way that you can understand.
What exactly is this `Conjunctival Cyst`?
Simply put, a `Conjunctival Cyst` is a small cyst that develops on the thin, transparent membrane that covers the white part of your eye (we also call it `(Sclera)`), called the `(Conjunctiva).` It is like a small ball filled with water. The main function of this `(Conjunctiva)` is to protect our eyes and provide the necessary moisture to the eyes. It is like a shield that protects our eyes from things like dust and germs coming from outside.
These cysts actually form on the membrane called the conjunctiva. They are filled with fluid. Sometimes, the cyst is so small that you may not have any symptoms or even notice it. However, if it is a larger cyst, it may feel like something is stuck inside the eye. It may be uncomfortable or even painful when you blink or move your eyes.
Some people are born with this type of `Conjunctival Cyst` (we call it `(congenital)`). Others can develop it for no apparent reason (`(idiopathic)`). They can also develop due to any kind of irritation to the eye, such as certain diseases, or allergens such as dust, pollen, etc.
The most important thing is that if you notice any changes in your eye, or if you feel like something is stuck inside your eye, you should see an ophthalmologist immediately .
Are there types of `Conjunctival Cyst`?
Yes, there are mainly two types of `Conjunctival Cyst`:
1. Inclusion Cysts: These are the most common, accounting for more than 80% of cases. This happens like this, imagine that one part of your conjunctiva gets folded inwards. Then a cyst forms around that folded area and fills with fluid in response to the irritation. It's like a blister that forms when you have a small cut on your skin.
2. `Retention Cysts`: These form when the tiny channels (`(ducts)`) in the `(Conjunctiva)` membrane become blocked by something (for example, dust, dirt, an allergen). Then a cyst forms around the blocked area, and inside it fills with cells and fluid from our `(lymphatic system). Just like when a water pipe gets blocked, water collects.
Who gets these `Conjunctival Cysts`?
This is actually something that can happen to anyone . There is no difference between women, men, young people, and old people. However, according to surveys, these are seen a little more among people over the age of 45. But that doesn't mean that younger people can't get them.
What are the symptoms of a `Conjunctival Cyst`?
Most of the time, if this tumor is very small, you may not have any symptoms. You may not even know you have one. It may only be discovered when an eye doctor examines your eyes.
However, if the tumor is a little larger, symptoms such as:
- A feeling of something stuck in the eye , especially when moving the eye from side to side. Imagine that when you look up, down, or to the side, it feels like there's a small grain of sand inside.
- Eye pain may occur.
- You may experience difficulty or pain moving the affected eye.
- You may find it difficult to close and open your eyelids freely (blink) .
- Sometimes the eye may appear to be protruding forward (`(proptosis)`).
You may feel like this lump is on the inside of your eyelid. That's because you feel it most when you close your eyes and your eyelid passes over the lump.
Conjunctival cysts rarely cause vision loss . However, if the cyst becomes very large and interferes with eye movement, it may cause double vision (diplopia).
What are the causes of `Conjunctival Cyst`?
As mentioned earlier, anything that irritates your eyes can cause a conjunctival cyst. Some of the main causes are:
- Eye diseases (Conjunctivitis / Pink eye): We all know that eye diseases can cause these types of rashes.
- Pyogenic granuloma: This is also a small, red lump that forms in the eye.
- Dry eyes: These can occur when the eyes do not get enough moisture.
- Traumas and eye injuries: This can happen if the eye is hit somewhere or something gets stuck in it.
- Sometimes these can also occur after eye surgery. For example:
- Surgery to correct crossed eyes (`(Strabismus)`).
- Cataract removal surgeries.
Also, as mentioned earlier, some people are born with this `Conjunctival Cyst` (`(congenital)`).
How to recognize a `Conjunctival Cyst`?
Your ophthalmologist will diagnose a conjunctival cyst during a routine eye exam .
They can see the tumor when they look into your eyes. They may use a special device called a slit lamp exam to measure the size of the tumor. They may also do a visual acuity test to see if your vision is affected by the tumor.
Sometimes, an ultrasound of your eye and surrounding tissues may be done to check for other tumors inside the eye that are not visible from the outside.
Occasionally, the doctor may take a small sample of the cyst (a biopsy) to confirm whether it is actually a conjunctival cyst, or some other infection or other type of tumor (for example, a sebaceous cyst or dermoid cyst).
How to treat `Conjunctival Cyst`?
Most conjunctival cysts do not require any treatment , especially if the cyst is small and you have no symptoms.
Your eye doctor will check your eyes regularly (`(regular eye exams)`). They may tell you to use ``over-the-counter (OTC)`` eye drops that you can use at home or ``corticosteroid drops`` (medicines that reduce inflammation and swelling in the eye) that your doctor prescribes. These help keep your eyes moist and prevent swelling.
However, if you have symptoms and the cyst does not go away on its own, it may need to be removed . Your ophthalmologist will use one of two main methods to remove a conjunctival cyst:
1. `Aspiration` (fluid removal): In this, the doctor inserts a very fine needle into the cyst and sucks out the fluid inside it. Before doing this, your eye and the surrounding area are numbed (`(local anesthetic)`). This method is simpler than the other method, meaning there is no large incision. However, there is a higher chance of the cyst coming back when removed this way .
2. `Excision` (surgical removal): `Excision` is the medical term for surgically removing a tumor. In this case, after your eye is swollen, the doctor will cut the tumor out of the `(Conjunctiva)` membrane and remove it.
How long does it take to heal after a conjunctival cyst is removed?
After the tumor is removed, either by aspiration or excision , you will feel better within a few days . Your eye surgeon will tell you what activities you should avoid for a few days and when you can resume your normal activities.
Even if the cyst is removed, a conjunctival cyst can occasionally recur . Your eye doctor will tell you how often you should come in for follow-up eye exams to check for new cysts.
Can the formation of a conjunctival cyst be prevented?
We can't completely prevent a conjunctival cyst from forming. However, in general, it is very important to always wear protective eyewear when you are working with any tools or engaging in any activity that could pose a risk to your eyes.
What should I expect if I have a `Conjunctival Cyst`?
If you have a `Conjunctival Cyst` and it is treated or surgically removed, you can expect a complete recovery . Don't worry about it.
After treatment, a conjunctival cyst will not have any long-term effects on your vision or eye.
However, as mentioned before, sometimes the cyst can recur, or a new conjunctival cyst can develop - especially if the original cyst was caused by an allergen such as dust or pollen that irritated the eye.
When should I see my doctor?
See a doctor as soon as you notice any changes in your eyes or vision. Don't delay.
If you experience any of the following symptoms, go to a hospital emergency department immediately :
- If you suddenly lose your vision.
- If you have severe eye pain.
- If you see flashes or floaters before your eyes.
What questions should I ask my doctor?
When you go to see the doctor, you can ask questions like these:
- What kind of tumor is in my eye?
- Do I need treatment for this?
- How long will it take for this tumor to go away?
- If I have to remove this tumor, should I do ``(Aspiration)`` or ``(Excision)``?
What is the difference between `Conjunctival Cyst`, `Pterygium` and `Pinguecula`?
All three of these are actually produced in our ``(Conjunctiva)``, that is, the membrane that covers the white part of the eye. But there are slight differences.
- Conjunctival Cysts: As we have discussed, these are small, fluid-filled cysts (like blisters) that can develop anywhere on the conjunctiva. Some develop spontaneously, while others develop when there is irritation to the eye. Most of the time, they are painless, but they can be felt when you move your eyes or blink.
- `Pterygium` (Surfer's Eye): This is also a fleshy tissue that develops on the `(Conjunctiva)`. However, it has many blood vessels . It is usually triangular in shape, starting at the outer edge of the eye and extending to the middle of the eye, sometimes even above the cornea. In some people, it may be small, while in others it may be large.
- Pinguecula: These are yellowish or white bumps that form on the conjunctiva. They are only on the conjunctiva and do not spread to the cornea like pterygium. Most of the time, they do not cause any symptoms and do not need to be removed.
Finally, what to remember (Take-Home Message)
It's never a good idea to feel like something is stuck inside your eye. This is often the most uncomfortable feeling you can have when you have a conjunctival cyst. However, there's no need to worry . Depending on the cause of the cyst, you may not need any treatment and can simply visit your eye doctor a few times to see if it goes away on its own.
In general, even if the tumor is removed, you will recover in a few days and be able to resume your normal activities.
The most important thing is that if you notice anything different in your eye, especially if it feels like something is stuck inside your eye, see an eye doctor immediately . They will be able to tell you exactly what's wrong and what to do about it.
` Eye cyst, conjunctival cyst, Conjunctival Cyst, eye blister, eye health, eye membrane, eye diseases
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