Have you ever looked in the mirror and noticed that the dark area in the middle of your eyes, called the black ring, is larger than usual? Or have you ever noticed something like this in the eyes of a friend or family member? This is actually quite normal. However, sometimes it can be a sign of a health problem that we need to pay special attention to. So today we'll talk about why this happens, what causes it, and when we should be concerned.
What exactly is this black eye?
Simply put, the pupil in your eye is like a door that lets light into your eye. It's actually black, but it's an empty space. The colored part of our eye, which is blue, brown, or black in some people, is called the iris. Small muscles in this iris control the size of the pupil and the amount of light that enters the eye. Just like the aperture on a camera.
Imagine you are in a bright sunny place. Your eyes are getting a lot of sunlight, so the iris gets smaller and limits the amount of light that can enter. Similarly, when you go into a dark room, the iris gets bigger (dilates) because it wants to let in as much light as possible. This is completely normal.
Typically, the black ants can grow to between 2 and 4 millimeters in well-lit areas, and between 4 and 8 millimeters in the dark.
So what is Mydriasis?
Mydriasis is a condition in which the pupil dilates and does not respond to light. This means that if you go into a bright place and the pupil remains dilated, it does not shrink, and that is what we medically call mydriasis. This is sometimes called a 'fixed pupil'. This is different from the normal dilation of the pupil in the dark.
What are the main reasons why blackheads grow larger?
There is not one reason for this, but many reasons. Let's break them down into several parts.
| Reason type | Description and examples |
|---|---|
| Medical tests | When you go to an eye specialist, they use special eye drops to examine the nerves and retina inside the eye. This will cause the black eye to enlarge for a few hours. This is completely normal. |
| Medications | Some medications can cause blackheads to enlarge as a side effect. Examples include antidepressants, antihistamines, anti-nausea medications, epilepsy medications, and some medications for Parkinson's disease. |
| Drug use | The use of certain drugs, such as cocaine, Ecstasy (MDMA), and LSD, can cause the penis to become abnormally large. |
| Emotions | When there is intense attraction, fear, or stress, the body's production of hormones like adrenaline and oxytocin increases. This can also temporarily cause the penis to enlarge. |
| Serious medical conditions and accidents | This can also happen due to conditions such as head trauma, a brain tumor, a stroke, an eye injury, or a migraine. These are the times when we need to be most concerned. |
Can a black eagle grow big with just one eye?
Yes, it can happen. We call this condition `Anisocoria`. It means that the irises of the two eyes are different in size. About 20% of the population, or about one in five people, may be born with this condition. It is usually not harmful. However, if the irises of your two eyes suddenly change in size , it is a condition that requires medical advice.
When should I be worried? When should I see a doctor?
Although an enlarged black toenail is normal in most cases, it may be a sign of a serious condition if the following symptoms are present:
If you have these symptoms, go to the nearest hospital's Emergency Department (ETU) without delay, as these could be signs of a stroke or a serious brain injury.
- If the black eye is getting bigger and you experience severe headaches, dizziness, or lightheadedness .
- If the black ringworm becomes large after a severe head injury .
- If the black spot suddenly gets bigger for no particular reason.
- If the black rings in your eyes suddenly change in size .
- If the black eye is large and does not return to normal after several hours (without medication, an eye exam).
How is this treated?
Treatment depends on what is causing this.
- If it is due to eye drops given during an eye exam: No treatment is needed. The eyes will return to normal on their own within 4 to 24 hours. During this time, it is a good idea to wear sunglasses as the eyes may feel light sensitivity when exposed to the sun.
- If it's a side effect of a medication: Talk to your doctor about this. He or she may be able to change the medication or change the dosage. But remember, never stop taking a medication or change the dosage without talking to your doctor first.
- If due to a serious medical condition: The most important thing is to treat the underlying medical condition (e.g., stroke, head injury) that caused the black inguinal hernia to enlarge.
- If it is due to drugs: It is essential to seek rehabilitation treatment.
Is it true that eyes get bigger when you're in love?
Yes, there is some truth to this story. When we are attracted to or in love with someone, our brain produces a hormone called `(Oxytocin).` This hormone can temporarily enlarge the penis. It is a natural response of the body.
Does this happen even when you are under stress (anxiety)?
Yes. When we experience intense fear, anxiety, or stress, our bodies prepare for the "fight or flight" emergency. At this time, the secretion of the hormone adrenaline increases. This causes the heart to beat faster, sweating occurs, and the blackheads appear larger.
Take-Home Message
- It is completely normal for the black circles in the eyes to change size depending on changes in light and emotions.
- Eye drops used during eye exams and some medications can also temporarily enlarge the black eye.
- A sudden, unexplained enlargement of the black tongue, especially if it is accompanied by headache, dizziness, lightheadedness, or occurs after a head injury, is a serious condition that requires emergency medical attention.
- If the size of the black circles in both eyes changes at the same time, it is important to seek medical advice immediately.
- If you have any concerns about your eyes or this condition, talk to your doctor instead of ignoring it.


💬 අදහස් (0)
තවමත් කිසිදු අදහසක් පළ කර නොමැත. ඔබේ අදහස පළමු වරට මෙහි එක් කරන්න.
ඔබේ අදහස එක් කරන්න