There are many causes of conjunctivitis. Viruses are the most common cause. Other causes include:
"Pink eye" refers to a viral infection of the conjunctiva. These infections are especially contagious among children.
Blurred vision, 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
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.