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Conjunctivitis is inflammation of the clear membrane that lines the eye.
Conjunctivitis is caused most commonly by infection from viruses or bacteria, or by an allergic reaction, though other causes exist, such as overexposure to sun, wind, smog, chlorine, or contact lens solution. Pinkeye is the common name for conjunctivitis. Blepharitis is inflammation of the eyelid; most commonly, it is caused by a bacterial infection.
Conjunctivitis and blepharitis may cause mild discomfort with tearing, itching, burning, light sensitivity, and thickening of the eyelids. They may also produce a crust or discharge, occasionally causing the eyelids to stick together during sleep. The eyes and eyelids may become red, but usually there is no blurring or change in vision.
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The information presented by Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2017.