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Blepharitis

Blepharitis

What is blepharitis?

Blepharitis is a very common inflammatory condition of the eyelid margin (the rim of the eyelid where the eyelashes are located). Bacteria which normally live on our skin are attracted to crusts around the base of the eyelashes and produce chemicals which irritate the eyes causing symptoms of itching, irritation and burning. Special tear glands, called meibomian glands, which are located in the eyelids, become blocked. Since these glands help to prevent the tear film covering the very sensitive cornea (the clear window of the eye) from evaporating too quickly bin between blinks, blepharitis results in:

  • Tear film instability resulting in irritation, a foreign body sensation, burning, itching and redness of the eyes (dry eye symptoms)
  • Watery eyes due to an overproduction and overflow of tears as a reflex reaction to eye irritation
  • Red inflamed eyelid margins (see photograph below)
  • Cyst formation in the eyelid (chalazion or meibomian cyst - see photograph below)
  • Loss of eyelashes
  • Inturning of the eyelid margins (entropion) resulting in painful rubbing of the eyelashes against the cornea
  • Corneal ulcer (marginal ulcer or marginal keratitis)

How do I know if I have blepharitis?

The edges (rims) of the eyelids are red and the eyelashes are stuck together by tiny crusts. The whites of the eyes are often red and sore. In the mornings the eyelids stick together, sometimes with a yellow discharge.

These changes cause the eyes to be sore and irritable, with a gritty foreign body feeling. Watering due to the reflex production of excess tears is common.

What causes blepharitis?

Blepharitis is more common in people with certain skin disorders:

  • Seborrhoeic dermatitis – a common scaly skin condition. This typically causes dandruff and sometimes a rash on the cheeks and forehead.
  • Rosacea – a skin condition that typically affects the cheeks and nose. Symptoms include facial flushing, facial redness, and red spots.
  • Eczema (atopic dermatitis) – an itchy inflammation of the skin which tends to flare-up from time to time. It can be associated with allergies.

There are 2 main types of blepharitis:

Anterior blepharitis

Tiny dandruff-like flakes form along the bases of the eyelashes. Bacteria invade the flakes and cause anterior blepharitis in some people (see photograph below showing severe anterior blepharitis). Seborrheoic dermatitis, which typically causes dandruff, can also cause these flakes to build up along the eyelid margin. (See photograph below).

Posterior blepharitis

A row of special glands in the upper and lower eyelids (the meibomian glands) secrete an oily substance that coats the tear film and maintains its stability over the cornea in between blinks. In some people the ducts of the meibomian glands become blocked. This results in meibomiitis. (See photograph below).

Meibomitis results in:

  • Tear film instability and dry eye: the oily secretions can no longer coat the tear film effectively which evaporates too quickly leaving the eye feeling irritable and sore
  • A frothy discharge on the eyelid margins
  • Clogging up of the meibomian gland ducts on the eyelid margin resulting in the formation of a plug

A photograph of an upper eyelids showing greasy scales at the base of the eyelashes and plugged meibomian gland ducts lying in a row on the eyelid margin just behind the eyelashes

  • The formation of eyelid cysts (chalazia or meibomian cysts) as the blocked meibomian gland swells and bursts its capsule resulting in a red swollen eyelid (see photograph below)

Is it serious?

No, it is not serious, and only very rarely causes any permanent damage to the eyes. However, blepharitis is a very persistent problem. (Blepharitis which is confined to the eyelid(s) on one side only should however be viewed with suspicion as very rare tumours can mimic blepharitis and lead to misdiagnosis).

Can it be treated?

Yes, though treatment usually can only control the problem and cannot eradicate it altogether. Go to the following for further information about treatment options:

http://www.faceandeyeshop.co.uk/product_list.cfm?id=19

What is the treatment?

Eyelid hygiene is the mainstay of treatment and should be performed twice daily for the first 2-3 weeks and then at least once daily indefinitely to keep the inflammation under control.

There are 3 steps needed for effective lid hygiene:

  1. Heat application
  2. Massage
  3. Cleaning

1. Heat application:

Heat applied to the eyelids for 5 minutes:

  • Softens the skin and any crusts attached to the eyelids
  • Helps to unplug the ducts of the meibomian glands
  • The traditional method is to apply a hot moist flannel or cotton pad to the closed eyelids. This is somewhat tedious because the flannel or cotton wool cool quickly and need to be repeatedly heated up in warm water
  • The EyeBag™ is a much more convenient and effective method of heat application because it supplies sustained warmth for 5-10minutes (to purchase on-line go to http://www.faceandeyeshop.co.uk)

2. Massage:

  • Massage the eyelids with your forefinger immediately after applying the warmth.
  • Massaging helps to push out the oily fluid from the meibomian glands which helps to stabilise the tear film on the surface of the eye.
  • Massage the upper eyelid and the lower eyelid gently towards the eye. This action should be repeated 5 to 10 times over about 30 seconds immediately following the warming.
  • Massaging should neither to be too gentle nor too firm. It should be relatively comfortable and you should not press hard enough to actually hurt your eyeball under the closed eyelids.

3. Cleaning:

  • After heat application and massage, clean the eyelids.
  • Blephaclean® wipes twice daily for 1 or 2 weeks are an excellent way to achieve rapid control of blepharitis. (These wipes are particularly useful in removing eye make-up, avoiding irritation/allergy associated with other eye make-up removers). Blephasol® solution on a cotton bud once daily can then be used as daily maintenance to keep the eyelid margins clean.
  • You can order these from: http://www.faceandeyeshop.co.uk/product_detail.cfm?id=2

Don't allow flakes/crusts/scales/debris to accumulate along the base of the eyelashes:

Crusts/scales along the base of the eyelashes

Antibiotic ointment:

  • In severe blepharitis a topical antibiotic (e.g Chloramphenicol ointment) can be applied to the lid margins after performing lid hygiene for a period of 2 weeks. This can reduce the bacteria contributing to eyelid margin inflammation and make it easier to control blepharitis using the treatment described above.
  • Ointments/drops containing steroids should not be used unless prescribed by an ophthalmologist and used under supervision, as topical steroids used inappropriately can cause cataracts, glaucoma and can predispose to infection.

Oral antibiotics:

  • Occasionally if posterior blepharitis cannot be controlled with local treatment as described above it is worth considering a 6-12 weeks course of oral doxycycline (typically 100mg taken orally once daily) as this can reduce the inflammation associated with blepharitis. N.B. This cannot be used during pregnancy.

Is that all I have to do?

Since blepharitis causes tears to be abnormal, artificial tears can give relief from irritation, even when your eyes are watering (eyes can water as a reflex reaction to a basic dry eye problem or tear film abnormality). These should be used at least 4 times a day at least to prevent symptoms rather than to just relieve symptoms. There is a large variety of artificial tear preparations to choose from. It is essential to use preservative free drops.

Preservative free drops: Hyabak drops, Hylotears, Hylo Forte, Theoloz, Systane drops preservative free, Viscotears preservative free, Celluvisc or Liquifilm tears preservative free. These can be ordered from: www.faceandeyeshop.co.uk (eye products).

Omega 3 supplements can also help patients with dry eyes - http://www.scopeomegahealth.co.uk/


Anterior blepharitis

 

Posterior blepharitis

 

Eye Lid Inflammation Treatment | Blepharitis Treatment | Manchester UK | Cheshire UK

A typical upper lid chalazion (meibomian cyst) in a patient with mild blepharitis. The patient also has a plugged meibomian gland duct in the central aspect of the lower eyelid which will result in another chalazion if untreated)

To learn more about our Blepharitis Services, please contact us at 0161 947 2720 today to schedule an appointment.

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