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Red eyes, also known as conjunctivitis, can affect anyone and can easily spread to others. While not typically dangerous, this condition can be uncomfortable and disrupt daily activities. Let's delve into the details of the causes, symptoms of red eyes, and effective treatment options below!
1. What is Red Eye?
Red eye is essentially a colloquial term for conjunctivitis, which occurs when the transparent membrane covering the surface of the eyeball (or the white of the eye) and the inner eyelid become inflamed due to infection.
Red eye, or conjunctivitis, is often seasonal, beginning in September, lasting for about a week before subsiding. However, there are instances where it may persist for longer periods, albeit uncommon.
Red eyes, also referred to as conjunctivitis, are a common eye condition characterized by inflammation of the conjunctiva—the thin, transparent layer covering the whites of the eyes and the inner surface of the eyelids. It can be caused by various factors such as viruses, bacteria, allergens, or irritants.
Red eyes typically aren't serious, leave no lasting complications, and can resolve on their own within a week. However, the condition can recur in an individual as the human body cannot develop lifelong immunity to it.
2. Causes of Red Eyes
There are several causes that can lead to red eyes, with some common ones and accompanying symptoms including:
Due to viruses: This is the most common cause of the condition, with symptoms such as tearing, eye itching, discharge, swollen eyelids, redness, and reduced vision. Conjunctivitis caused by viruses can easily spread through direct contact with the infected person's tears.
Due to bacteria: Often caused by bacteria like Haemophilus influenzae, Staphylococcus, etc. Typical symptoms include tearing, itching, eyelids sticking together due to yellow or greenish discharge upon waking up. If left untreated, the condition can lead to serious damage such as irreparable vision loss, corneal inflammation, and ulcers. One can contract red eyes by coming into contact with the tears or items contaminated with the infected person's tears.
Infants can develop red eyes due to Chlamydia bacteria.
Allergies: Identifying the cause of allergies is often challenging, it could be due to pet dander, medication, pollen, dust, etc. Symptoms commonly include itching and watery eyes in both eyes, possibly accompanied by allergic rhinitis. However, allergic red eye does not have the potential to spread.
3. Symptoms of Red Eye
Red eye can result from various causes, and each causative factor has different symptoms. Generally, the most distinctive sign of this condition at onset is redness and excessive tearing. Specifically:
- Redness: This symptom occurs due to the congestion of blood vessels in the superficial conjunctival layer. The most significant redness appears in the conjunctiva near the iris and gradually decreases towards the sclera, often referred to as peripheral congestion.
- Excessive tearing: Also known as epiphora, it is formed by the accumulation of mucus and bacterial debris along with sloughed-off epithelial cells. The tears at this stage clump together into lumps, masses, or globules and adhere tightly to the eyelashes or collect at the corners of the eyes.
- Itching, eye irritation: At this point, patients may feel as if there is a foreign body, grit, warmth, and a burning sensation in the eyes.
- Light sensitivity: When exposed to light, patients may experience glare, difficulty seeing, and photophobia.
- Watery eyes: Patients may experience uncontrollable tearing.
4. How Can Red Eye Spread?
Patients with red eye often need to self-isolate at home from a medical standpoint due to the high risk of transmission to others through contact. So, how does red eye spread? The disease can be transmitted when:
- Accidentally coming into contact with the bodily fluids of sick individuals when they interact with us or when they cough or sneeze.
When we touch objects contaminated with the bodily fluids of sick individuals, such as toothbrushes, towels, pillows, doorknobs, phones...
Common habits like rubbing our eyes or touching our face can pose a risk of infection.
Improper contact lens usage can lead to contracting the disease.
Using unhygienic water sources, being exposed to contaminated water bodies such as pools, ponds... where previously diseased individuals have been swimming.
Especially, the rapid spread of conjunctivitis within the community is extremely fast, so public places or densely populated areas often harbor the risk of becoming epidemics.
- Keep your face and hands clean: Regularly washing your face and eyes with clean water will help alleviate itching and discomfort. Keep your hands clean to prevent the risk of accidentally transferring dirt to your eyes, which could worsen the condition.
Cold compress: Using a clean cloth wrapped around some ice cubes or soaked in cold water and then applied to the face can help reduce swelling and itching in the eyes.
Use personal items: Avoid sharing utensils, drinking glasses, towels... with others to minimize the risk of infection.
Avoid swimming: Stay away from dirty water, which may not be hygienic for your eyes during this time, especially refrain from rubbing your eyes.
Refrain from intimate contact: Avoiding intimate contact during conjunctivitis helps limit the risk of spreading the infection to your partner.
Prevention of conjunctivitis can be effectively achieved by maintaining clean eye hygiene with saline solution daily.
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