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Commonly referred to as pink eye, conjunctivitis causes the white of the eye to turn pink and become itchy and uncomfortable.
There are several types of conjunctivitis, all of which have different causes and treatments.
My eye is irritated. Do I have pink eye?
Eye Pain and Redness
Are Common Symptoms of Conjunctivitis
One common sign of conjunctivitis is itchy, burning, or watery eyes. You may also experience a gritty sensation, as if there is something stuck in your eye. Generally, patients with this condition are also extra sensitive to light.
Often, inflammation is also associated with yellow, green, or white discharge. The type of discharge is typically related to the cause of the conjunctivitis.
Close Quarters and Contact Lenses
Increase the Risk for Conjunctivitis
Some forms of conjunctivitis are highly contagious and spread quickly among individuals who are in close contact with each other. For this reason, pink eye is a common concern for school-age children.
However, individuals who wear contact lenses or have seasonal allergies are also likely to develop conjunctivitis. Since the condition is caused by irritation of the eye's outermost layer of tissue, known as the conjunctiva, any foreign bodies, such as hard contact lenses, cigarette smoke, or pollen can lead to conjunctivitis.
So if it's not always infection, what causes conjunctivitis?
Allergies, Bacteria, and Viruses
Can All Cause Conjunctivitis
Caused by eye irritants, allergic conjunctivitis can develop due to pollen, dust, or animal dander. It can also stem from exposure to substances, such as cigarette smoke, car fumes, or pool chlorine. This type is not contagious.
The bacterial form of conjunctivitis is most often caused by bacteria from your own hands or respiratory system. Physical contact with others, poor hygiene, and contaminated eye makeup can all cause bacterial conjunctivitis.
Most commonly caused by the same virus as the common cold, viral conjunctivitis is very contagious. You can be exposed to this form of conjunctivitis when other infected individuals cough or sneeze near you.
How can I prevent conjunctivitis?
"Conjunctivitis is contagious and easily spread because of cross-contamination between people living in close proximity. Even rubbing your eyes, then touching a doorknob, can transmit the infection to others."
Alex Ionides, BSc, MBBS, FRCOphth, MD
Developing a Consistent Hygiene Routine
Can Prevent Pink Eye
Practice Good Hygiene
One of the best ways to avoid developing conjunctivitis is hygiene. Wash your hands frequently, especially after contact with someone who is ill, avoid sharing eye makeup, and try not to touch your eyes.
Keep Contacts Clean
Make sure you are throwing away disposable contact lenses regularly and cleaning extended wear lenses properly. Ill-fitting or dirty contact lenses can cause conjunctivitis.
Dirt, dust, pollen, and other irritants can all cause inflammation in your eye. By minimizing your contact with irritating substances, you can protect your eyes against allergic conjunctivitis.
How do I find out if I have conjunctivitis?
Not All Irritated Eyes Have Conjunctivitis
See a Doctor If You Suspect Something
During your appointment, your doctor will ask about your symptoms and your medical history and then perform an eye exam. In some cases, they will take a sample of any liquid draining from your eye to analyze in the lab.
It can be difficult to determine the exact cause of conjunctivitis, since the symptoms are so similar. However, there are some differences which your doctor can use to determine the optimal treatment option for you.
Typically accompanies a cold or respiratory tract infection
Typically occurs at the same time as an ear infection or shortly after birth
Eye discharge is thick, rather than watery
Tends to occur seasonally when pollen counts are high
Accompanied by intense itchiness in the eyes
Slight variations in symptoms can help your eye doctor identify the type of conjunctivitis you are suffering from.
If your doctor diagnoses you with conjunctivitis, you may want to ask:
Is it contagious?
If it is, how do I avoid spreading it?
Do I need to stay home from school or work?
Okay, I have conjunctivitis. What are my options?
The Best Treatment for You
Depends on Your Type of Conjunctivitis
The first step is to eliminate contact with the irritant, if possible. Cold compresses and eye drops can help relieve the discomfort. In severe cases, anti-inflammatory medication, antihistamines, or topical steroids may be used.
Antibiotic eye drops or ointments are typically effective for bacterial conjunctivitis. You may see an improvement after only three or four days, but it is important to take the full course of antibiotics.
Like a common cold, viral conjunctivitis must simply run its course. You can relieve symptoms with cold compresses and eye drops. In some severe cases, your doctor may prescribe topical steroids to reduce discomfort.
Does pink eye last a long time?
Schedule an Appointment
with Your Doctor
In mild forms, pink eye typically clears up within two to three weeks, often without any treatment. While severe forms of conjunctivitis can become serious, your doctor can help you find the right treatment plan to protect your sight against issues. If you have noticed signs of pink eye in yourself or your child, contact a doctor right away to schedule an appointment.