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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