What Are the Possible Causes of Blepharitis?


Quick Answer

Blepharitis of the eyes may be triggered by inflamed meibomian glands, especially in the presence of acne rosacea, MedicineNet states. Contaminants like scalp dandruff, staphylococcal bacteria and mites can also cause the condition, or it may be the result of an allergic reaction to contact lenses, mascara or chemicals.

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What Are the Possible Causes of Blepharitis?
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Full Answer

Blepharitis is an inflammatory condition that usually causes redness and swelling on the eyelids and an itching or burning irritation in the eyes, the American Optometric Association explains. A scaly crust forms on the eyelashes and eyelids, and there is often an excessive amount of tearing. Symptoms range from mild to severe, with the worst cases occasionally leading to abnormally positioned eyelashes, blurred vision or corneal inflammation. The location and cause of the inflamed tissue may influence blepharitis symptoms. Posterior blepharitis affects the inner ridge of the eyelid that meets the eyeball, while anterior blepharitis affects the outer ridge of the eyelid that meets the eyelashes.

Other common symptoms may include sensitivity to light, dryness or a gritty feeling in the eyes, according to MedicineNet. People may also shed eyelashes or notice subtle scarring or flaky patches on the edges of the eyelids. In most cases, physicians help patients manage the condition by recommending a temporary hygiene regimen of gently softening debris and oil from the eyelids with a warm compress and cleaning it away with a cotton applicator treated with a safe cleansing product. Patients may be advised to use dandruff shampoo or temporarily restricted from wearing contact lenses.

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