WHAT IS PINK EYE AND HOW CAN YOU PROTECT YOUR EYE HEALTH?
Medically reviewed by FYidoctors' Editorial Team
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What is Pink Eye?
Pink eye, also known as conjunctivitis, refers to the inflammation of the conjunctiva, the thin clear tissue that covers the white part of the eye and the inside of the eyelid.
It is a common eye condition that can cause redness, itchiness, discharge, and irritation.
When irritated or infected, the tiny blood vessels in this tissue become more visible, causing the eye to appear pink or red. There are a few different types of conjunctivitis, and each can have different causes and treatments.
While it’s often mild and treatable, some types can spread easily, especially in classrooms, shared spaces, and during cold and flu season.
Not every red or irritated eye is pink eye. Some eye conditions can look very similar to conjunctivitis but may be vision-threatening and require urgent treatment.
If you're experiencing symptoms or aren't sure what's causing your red eye, it's important to contact your optometrist for a proper diagnosis.
Common symptoms of pink eye can include:
Red or pink eyes
Itching or irritation
Watery eyes
Sticky or gooey discharge
Crusting around the eyelids, especially in the morning
Swollen eyelids
Sensitivity to light
A gritty or burning sensation in the eye
Common causes of pink eye can include:
Touching or rubbing infected eyes
Sharing towels, pillowcases, or eye makeup
Contact with contaminated surfaces
Close contact with someone who has viral or bacterial conjunctivitis
What type of conjunctivitis do you have?
Viral
Often linked to colds or respiratory infections, viral pink eye spreads easily and is highly contagious.
Bacterial
This type is caused by bacteria and is usually associated with thick or sticky yellow-green discharge.
Allergic
Triggered by allergens like pollen, dust, or pet dander. Allergic pink eye is not contagious and often affects both eyes.
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Preventing pink eye
Good hygiene habits can help reduce the risk of spreading conjunctivitis:
Wash your hands frequently
Avoid touching or rubbing your eyes
Don’t share towels, pillows, or eye products
Do not overwear your contact lenses
Clean contact lenses properly and replace lens cases regularly
Stay home when symptoms are severe or highly contagious
Managing and treating pink eye
Treatment depends on the type of conjunctivitis you have. Some cases clear on their own, while others may require prescription eye drops or medication. Your optometrist can determine the cause and recommend the right treatment plan.
It’s best to book an appointment if:
Symptoms last more than a few days
Vision becomes blurry
You experience pain or light sensitivity
Discharge becomes severe
Symptoms continue returning
You’re unsure whether it’s pink eye or another eye condition
While waiting for an appointment, you may find temporary relief by:
Applying cold compresses
Using lubricating artificial tears
Avoiding rubbing your eyes
Pausing contact lens wear until symptoms improve
Early detection can help prevent complications and reduce the spread to others.
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FAQs
Is pink eye contagious?
Pink eye (conjunctivitis) is contagious when caused by a virus or bacteria, and it can spread as soon as symptoms appear. Viral pink eye remains contagious while symptoms last, often 7–14 days. Bacterial pink eye stops being contagious about 24 hours after starting antibiotic drops. Allergic conjunctivitis is not contagious.
How do you get pink eye?
You get pink eye through direct contact with an infected person's eye discharge, touching contaminated surfaces and then your eyes, or sharing towels, pillowcases, or eye makeup. Viruses linked to the common cold are the most frequent cause. Allergic pink eye develops from allergens like pollen or pet dander, not person-to-person contact.
What does pink eye look like?
Pink eye makes the white of the eye look pink or red, often with watery eyes, swollen eyelids, and sticky discharge that crusts along the lashes overnight. Bacterial pink eye typically produces thick yellow-green discharge, while viral pink eye causes watery discharge and often starts in one eye before spreading to the other.
What is pink eye?
Pink eye, or conjunctivitis, is inflammation of the conjunctiva — the thin, clear tissue covering the white of the eye and the inside of the eyelid. When irritated by a virus, bacteria, or allergen, its tiny blood vessels swell, making the eye appear pink or red, often with itching, watering, and discharge.
How long does pink eye last?
Pink eye usually lasts one to two weeks. Viral conjunctivitis typically clears on its own in 7–14 days, while bacterial conjunctivitis often improves within 2–5 days of starting antibiotic eye drops. Allergic conjunctivitis lasts as long as allergen exposure continues. See an optometrist if symptoms persist beyond a few days.