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A blood clot in eye, often showing as a red spot in the eye is medically called a subconjunctival haemorrhage. It occurs when tiny blood vessels under the conjunctiva break and leak blood. While the appearance may seem serious, it is usually harmless and tends to clear on its own within 1-2 weeks.
However, understanding its causes, symptoms, and treatment options can help you know when medical intervention may be necessary.
What Is a Blood Clot in the Eye?
A blood clot in the eye happens when tiny blood vessels within the eye rupture, leaking blood under the conjunctiva (the transparent surface layer of the eye). This can lead to a red or dark spot that looks like a blood clot but is technically a pooling of blood, similar to a bruise. Known medically as a subconjunctival haemorrhage, this condition is usually painless and often resolves on its own. However, in some cases, it may indicate an underlying health issue, especially if it is recurrent.
Blood Clot in Eye Causes: Why It Happens
Several factors can lead to a blood clot in the eye. Common causes are:
- Physical strain: Heavy lifting, intense coughing, or even sneezing can cause blood vessels in the eye to break, resulting in a subconjunctival haemorrhage.
- Eye trauma: Injuries to the eye, even minor ones, can rupture blood vessels, leading to the appearance of a blood spot in the eye.
- High blood pressure: Elevated blood pressure can make blood vessels more susceptible to rupture, increasing the risk of blood clots in the eye.
- Blood-thinning medications: Medications like aspirin or anticoagulants may predispose the blood vessels in the eye to break.
- Diabetes: Diabetes can also increase the chances of a broken blood vessel in the eye.
- Contact lens use: Improper use of contact lenses, including inserting or removing them with excessive force, can result in a subconjunctival haemorrhage.
Blood Clot in Eye Symptoms
Common blood clot in eye symptoms include:
- Bright red patch on the white part of the eye – the most noticeable symptom.
- Mild irritation– usually not painful.
- A sensation of fullness in eye without pain – discomfort but no sharp pain.
- Slight swelling of the conjunctiva – giving a puffy or raised appearance.
Also Read: Symptoms of Dry Eyes
How Is a Blood Clot in the Eye Diagnosed?
If you notice a blood spot in the eye or experience recurrent episodes, consulting an eye specialist is advisable. An ophthalmologist will conduct a visual examination during a consultation to confirm. In some cases, especially if the bleeding is recurrent or extensive, additional tests such as blood pressure measurement or blood tests may be recommended to rule out systemic causes like hypertension, diabetes, or clotting disorders.
Once a diagnosis has been made, the ophthalmologist will suggest a treatment for broken blood vessels in the eye.
Blood Clot in Eye Treatment: How to Heal Faster
Most cases of blood clots in the eye resolve without medical intervention. Typically, it will heal on its own within one to two weeks. The red spot gradually fades as the body reabsorbs the blood. However, in some cases, the following protocols may be followed:
- Artificial tears: Over-the-counter artificial tears can provide relief from any mild irritation or dryness associated with the bleeding.
- Avoidance of blood-thinning medications: If the bleeding is linked to blood-thinning medications, your doctor may adjust your dosage or suggest alternative options.
- Protective eyewear: If the bleeding is due to trauma, protective eyewear may be recommended to prevent further injuries.
- Monitor for underlying conditions: In cases where high blood pressure or diabetes is identified as a potential cause of subconjunctival haemorrhage, managing these conditions becomes crucial for prevention.
This is the usual line of subconjunctival haemorrhage treatment followed by ophthalmologists in India and everywhere else.
How to Prevent Blood Clots in the Eye
To avoid frequent red spot in the eye treatment:
- Manage chronic conditions (hypertension, diabetes)
- Wear protective eyewear during risky activities
- Use lubricating drops for comfort
- Avoid excessive eye rubbing
Stay hydrated and follow a balanced diet
Conclusion
Recognising the symptoms and understanding the causes of blood clots in the eye can help manage and prevent future occurrences. Proper care, attention to overall health, and lifestyle adjustments can reduce the risk of developing a blood clot and maintain healthy eyes.
FAQs
What is a blood clot (red spot) in the eye?
A blood clot in the eye, also known as a subconjunctival hemorrhage, occurs when there is bleeding underneath the conjunctiva, the clear tissue that covers the white part of the eye. It can cause the eye to appear bright red or bloodshot.
What are the best eye drops for subconjunctival haemorrhage?
For a subconjunctival haemorrhage red bloodshot eye on one side, the most frequently suggested remedy is over-the-counter artificial tears. They relieve discomfort and maintain eye comfort as the blood clot repairs.
Is a blood clot in the eye dangerous?
Most blood clots in the eye are harmless and clear on their own. However, if you have severe pain, blurred vision, frequent recurrence, or eye trauma, consult an eye doctor immediately.
How do you treat a blood clot in the eye?
In most cases, a blood clot in the eye does not require any specific treatment and will resolve on its own within two to three weeks. However, applying a cold compress, using lubricating eye drops, and avoiding eye rubbing can help alleviate discomfort and speed up the healing process.
How can I get rid of a blood clot in the eye faster?
While most cases heal naturally, using artificial tears, avoiding eye rubbing, and protecting your eyes from strain may help reduce irritation during recovery.
Can eye injury cause a blood clot in the eye?
Yes, accidental injuries, rubbing your eyes aggressively, sports injuries, or foreign objects can break small blood vessels and cause bleeding.
Why did I suddenly get a blood clot in my eye?
Sudden blood clots in the eye may happen after sneezing, coughing, vomiting, lifting heavy objects, or rubbing the eyes too hard.
Why do I keep getting blood clots in my eye?
Recurring blood clots may be linked to high blood pressure, diabetes, blood-thinning medicines, or clotting disorders and should be evaluated by a doctor.
When should I see a doctor for a blood clot in the eye?
Seek medical help if the redness spreads repeatedly, doesn’t improve within two weeks, or happens with pain, swelling, or vision changes.
