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Conjunctivitis

Conjunctivitis, commonly known as pink eye, is an inflammation of the conjunctiva, the thin membrane that lines the white part of the eye and the inner surface of the eyelids.

This condition can make your eye appear pink or red and can cause discomfort.

If you suspect you have conjunctivitis, schedule an appointment with us, as your eye health is our priority!

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Types Of Conjunctivitis

Viral Conjunctivitis: Often associated with viral infections like the common cold, this type is highly contagious.
Bacterial Conjunctivitis: Caused by bacteria, this type is also contagious and often produces a thicker, yellow or greenish discharge. It can affect one or both eyes and may be accompanied by crusting around the eyelids.
Allergic Conjunctivitis: Triggered by allergens such as pollen, dust, or pet dander, this type is not contagious.
Chemical Conjunctivitis: Resulting from exposure to irritating substances, such as chlorine in swimming pools or smoke, this type causes redness and discomfort. It usually improves once the irritant is removed.

Common Signs And Symptoms

Itching Or Burning Sensation: You may experience persistent itching or burning in the affected eye.
Sensitivity To Light: Discomfort in bright light or sunlight, known as photophobia, can occur with conjunctivitis.
Redness Or Pinkness in the Eye: The white part of the eye may appear red or pink, often a first sign of pink eye.
Crusty Eyelids In The Morning: Crustiness on the eyelids after sleep, due to dried discharge, can signal an eye infection.
Watery Or Thick Discharge: Discharge can be watery and clear or thick and colored, especially noticeable upon waking.
Swelling Of The Conjunctiva Or Eyelids: Puffiness or tenderness in the conjunctiva or eyelids can indicate conjunctivitis.

Prevention Pink Eye

To help prevent conjunctivitis, practice good hygiene by washing your hands frequently and avoiding touching your eyes.

It is also imperative to avoid sharing personal items such as towels, pillowcases, or eye makeup, as these can transmit infection. Also stay away from individuals who are infected, particularly if you are showing symptoms of conjunctivitis yourself.

Additionally, manage allergies by identifying and avoiding allergens that trigger your symptoms.

When Conjunctivitis Becomes A Concern

If symptoms persist for more than two weeks or worsen despite treatment, it may signal a more serious underlying condition or an incorrect diagnosis.

Any changes in vision, such as blurred vision or increased light sensitivity, should be promptly assessed to rule out potential complications. Intense pain, severe redness, or significant swelling also warrants immediate medical attention.

Additionally, in newborns and very young children, conjunctivitis always requires urgent evaluation to rule out serious infections.

The Link Between Pink Eye and Other Conditions

Autoimmune diseases, such as rheumatoid arthritis or lupus, can cause both dry eyes and conjunctivitis, making it essential to manage these underlying conditions for effective symptom relief.

Conjunctivitis may also be a sign of a systemic infection, like herpes simplex virus or chlamydia, so proper evaluation and treatment of any underlying infections are crucial.

Conditions such as dry eye syndrome can also contribute to conjunctivitis. For those with chronic conditions like diabetes or thyroid disorders, maintaining overall health is vital to minimise the risk of conjunctivitis and other eye-related problems.

Germ-Related Causes

Viral Infections: Often caused by adenoviruses, associated with colds or upper respiratory infections.
Bacterial Infections: Caused by bacteria such as Staphylococcus aureus, Streptococcus pneumoniae, and Haemophilus influenzae.
Fungal Infections: Less common but can occur, especially in individuals with weakened immune systems or after exposure to contaminated environments.

Allergic And Irritative Factors

Autoimmune Conditions: Conditions like rheumatoid arthritis or lupus can affect the conjunctiva.
Mechanical Irritation: Issues such as poorly fitting contact lenses or extended wear can irritate the conjunctiva.
Allergic Reactions: Triggered by allergens such as pollen or mold, which result in itchy, red, and watery eyes, or caused by direct contact with allergens like dust, pet dander, or certain chemicals.
Irritants: Smoke, chlorine from swimming pools, and pollution can irritate the eyes. Contact with chemicals in cosmetics or cleaning products can also cause irritation. Additionally, dust, sand, or other particles entering the eye can lead to conjunctivitis.

Statistics

of all cases of acute conjunctivitis may be caused by viral infection

0 %

of cases of acute conjunctivitis are estimated to be caused by HSV

0 -4.8%

of all GP consultations in the UK are accounted to acute infective conjunctivitis

0 %

of cases of infective conjunctivitis in children are thought to be due to bacterial infection

0 -75%

What to do next

It is advised that you come to see one of our doctors if you are experiencing pink eye infections, in order to get a proper diagnosis and treatment for any viral or bacterial causes. We are available five days a week. Give us a call or use our online booking system to make an appointment.

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How long is conjunctivitis contagious?

Pink eye is usually contagious for as long as you have symptoms of eye-watering and discharge. The condition usually does not last longer than a week.

What is an “eye cold”?

An “eye cold” is one of the names given to conjunctivitis, or pink eye.

I have conjunctivitis. What should I do with my contact lenses?

The doctor will likely advise you to throw out the contact lenses you were wearing right before the infection developed. You will need to avoid wearing your lenses until the infection clears up and you have completed your course of antibiotics.

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