Red eye
Also called conjunctivitis. Redness or irritation of the conjuctivae, the membranes on the inner part of the eyelids and the membranes covering the whites of the eyes. These membranes react to a wide range of bacteria, viruses, allergy-provoking agents, irritants and toxic agents. Viral and bacterial forms of conjunctivitis are common in childhood. The leading cause of a red eye is virus infection. Viral pink eye is usually associated with more of a watery discharge, not green or yellow in color, and is frequently associated with viral cold-like symptoms. The eyelids may be swollen. Sometimes looking at bright lights is painful. While viral pink eye, may not require an antibiotic, the doctor should see the child, as occasionally this form of pink eye can be associated with infection of the cornea, (the clear portion of the front of the eyeball). This infection must be correctly detected and treated. Viral pink eye is highly contagious. The bacteria that most commonly cause pink eye are staphylococcus, pneumococcus, and streptococcus. Symptoms include eye pain, swelling, redness, and a moderate to large amount of discharge, usually yellow or greenish in color. The discharge commonly accumulates after sleep. The eyelids may be stuck together requiring a warm wash cloth applied to the eyes to remove the discharge. This bacterial pink eye responds to repeated warm wash cloths applied to the eyes and antibiotic eye drops or ointment. Chlamydia is a form a bacterial that is an uncommon form of pink eye in the U.S., but is very common in Africa and the Middle Eastern countries. It can cause pink eye in adults and neonates. It is a cause of pink eye in adolescents and adults that can be sexually transmitted. Chlamydia pink eye is typically treated with tetracycline (except in children less than eight years old, because of possible teeth discoloration) or erythromycin. Allergic pink eye is usually accompanied by intense itching, tearing, and swelling of the eye membranes. Frequent causes include seasonal pollens, animal dander, and dust. It is frequently seasonal, and goes along with other typical "allergy" symptoms such as sneezing, itchy nose, or scratchy throat. Cold moist wash clothes applied to the eyes and over-the-counter decongestant eye drops give welcome relief. Your doctor can prescribe stronger medications if these remedies are not adequate.

Medical dictionary. 2011.

Look at other dictionaries:

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