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Blepharitis

Anterior blepharitis affects the front of the eyelids, usually near the eyelashes. The two most common causes of anterior blepharitis are bacteria and a skin disorder called seborrheic dermatitis, which causes itchy, flaky red skin.

Posterior blepharitis affects the inner surface of the eyelid that comes in contact with the eye. It is usually caused by problems with the oil (meibomian) glands in the lid margin. Posterior blepharitis is more common than the anterior variety, and often affects people with a rosacea skin type.

Blepharitis signs and symptoms

Regardless of which type of blepharitis you have, you will probably have such symptoms as eye irritation, burning, tearing, foreign body sensation, crusty debris (in the lashes, in the corner of the eyes or on the lids), dryness and red eyelid margins.

It’s important to see an eye doctor and get treatment. If your blepharitis is bacterial, possible long-term effects are thickened lid margins, dilated and visible capillaries, misdirected eyelashes, loss of eyelashes and a loss of the normal position of the eyelid margin against the eye. Blepharitis can also lead to styes and infections or erosions of the cornea.

Blepharitis treatments

Blepharitis can be difficult to manage because it tends to recur. Treatment depends on the type of blepharitis you have. It may include applying warm compresses to the eyelids, cleaning your eyelids frequently, using an antibiotic and/or massaging the lids to help express oil from the meibomian glands.

If your blepharitis makes your eyes feel dry, artificial tears or lubricating ointments may also be recommended. In some cases, anti-bacterial or steroid eye drops or ointments may be prescribed.