Conjunctivitis is swelling (inflammation) or infection of the membrane lining the eyelids (conjunctiva).
The conjunctiva is exposed to bacteria and other irritants. Tears help protect the conjunctiva by washing away bacteria. Tears also contain enzymes and antibodies that kill bacteria.
"Pink eye" refers to a viral infection of the conjunctiva. These infections are especially contagious among children.Newborns can be infected by bacteria in the birth canal. This condition is called ophthalmia neonatorum, and it must be treated immediately to preserve eyesight.
Symptoms of pink eye include:
Crusts that form on the eyelid overnight
Eye pain
Gritty feeling in the eyes
Increased tearing
Itching of the eye
Redness in the eyes
Sensitivity to light
If you are showing any signs of these syptoms please visit your eye doctor and not your medical doctor.
Treatment of conjunctivitis depends on the cause.
Allergic conjunctivitis may respond to allergy treatment. It may disappear on its own when the allergen that caused it is removed. Cool compresses may help soothe allergic conjunctivitis.
Antibiotic medication, usually eye drops, is effective for bacterial conjunctivitis. Viral conjunctivitis will disappear on its own. Many doctors give a mild antibiotic eyedrop for pink eye to prevent bacterial conjunctivitis.You can soothe the discomfort of viral or bacterial conjunctivitis by applying warm compresses (clean cloths soaked in warm water) to your closed eyes.
The outcome is usually good with treatment.
Reinfection within a household or school may occur if you don't follow preventive measures.
Good hygiene can help prevent the spread of conjunctivitis:
- Do not share eye cosmetics.
- Do not share towels or handkerchiefs.
- Handle and clean contact lenses properly.
- Keep hands away from the eye.
- Replace eye cosmetics regularly.
- Wash your hands often.
- Change pillowcases frequently
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