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What is Blepharitis – its causes and symptoms.

Blepharitis is the inflammation of the eyelid margins that causes severe discomfort to a person. The disorder usually starts in childhood and may continue throughout life. It causes red, irritated, itchy eyelids, and the formation of dandruff-like scales on the eyelashes.

Types of Blepharitis

– Anterior blepharitis : It affects the area where the eyelashes are attached i.e. the outside front of the eyelid.
– Posterior blepharitis : The moist inside part of the eyelid is affected. It is caused by problems with the Meibomian glands in this part of the eyelid.

Causes of Blepharitis

– Blepharitis frequently occurs in people who have a tendency toward oily skin, dandruff or dry eyes.
– Blepharitis occurs when the small oil glands near the base of the eyelashes don’t work properly.
– The cause is overgrowth of the bacteria that is normally found on the skin.
– Blepharitis is usually caused by seborrheic dermatitis or a bacterial infection, and sometimes it is a combination of both.
– Allergies and eyelash infestation with lice may also cause blepharitis.

Symptoms of Blepharitis

– Watering of eyes.
– Whitish and yellowish material deposits at eyelid margins.
– Burning, itching in eyes.
– In some extreme cases, lid margin gets thickened.
– Falling of eyelashes but it is replaced quickly.
– Small ulcers may be present between whitish or yellowish material.
– Irritation.
– Mild photo-phobia can happen.
– Burning, gritty and sandy sensation in eyes.
– Crusting of the eyelids.
– Sensitivity to light.
– Swollen eyelids.
– Repeated styes and chalazia are observed.

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