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Blepharitis
is a chronic inflammation of the eyelids. A common
problem in both children and adults, blepharitis causes
swelling, itching and irritation of the eyelids. There
are two types of blepharitis: seborrheic and Staphylococcus
(staph).
The Eyelid
The outer layer of the eyelid is composed of skin, while the inside of the eyelid
is lined with moist tissue. Muscles and glands are located between the skin and
the moist lining. The eyelashes are located on the eyelid margins, the areas
which come together when the eyelid is closed. Tiny openings, from which glands
secrete the oily part of tears, are also located on the eyelid margin. The eyelid
margins are the areas most often affected by blepharitis.
What is seborrheic blepharitis?
Seborrheic blepharitis is associated with dandruff of the scalp and may be
part of an overall skin disease (seborrhea) which also affects the chest, back,
and behind the ears. With seborrheic blepharitis, the glands of the eyelid produce
an abnormal quantity and quality of tear film, which normally coats, protects,
and lubricates the eye. Several factors including hormones, nutrition, general
physical condition, and stress may contribute to the development of this condition.
What are the symptoms of seborrheic blepharitis?
This form of blepharitis is characterized by redness of the eyelids. Scaling
and flaking around the eyelashes are also common. The production of abnormal
tear film causes the formation of greasy, waxy scales. These scales, which accumulate
at the base of the eyelashes, flake off easily.
What is staph blepharitis?
Staph blepharitis is a more severe condition which often begins in childhood
and continues through adulthood. Infective in nature, staph blepharitis is caused
by bacteria (staphylococcus aureus).
Maintaining very clean eyelid margins is one of the most important aspects
of treatment for blepharitis.
In severe cases, antibiotic drops and ointments are also helpful in controlling
the condition. Cortisone drops or preparations often relieve the bothersome symptoms
of itching and irritation. However, prolonged use of cortisone may cause undesirable
side effects.
Application of hot packs may provide additional relief. The heat causes the blood
vessels to dilate, which improves blood circulation and healing. The heat also
opens and cleans out infected gland pores in the eyelid margin.
Once the acute phase of blepharitis is controlled, lid cleaning and the use of
bland ointments may be sufficient to control the condition. Blepharitis can be
a continuing problem which is difficult to eliminate completely. However, with
vigorous treatment and patient cooperation, blepharitis can almost always be
controlled.
Prevention is the best medicine
Regular eye examinations are the best prevention against eye diseases. Eye problems
can occur at any age, and the symptoms of some problems are not noticeable until
the eye has suffered damage. However, with early detection and treatment of eye
problems, sight loss can often be prevented.
If you are experiencing the symptoms of blepharitis or other vision problems,
you should obtain a complete eye examination.
What are the symptoms of staph blepharitis?
Staph blepharitis is characterized by matted, hard crusts around the eyelashes.
The crusts may make opening the eyes in the morning difficult. Removal of the
crusts often leaves small ulcers which bleed or ooze.
In some cases of staph blepharitis, a red eye may develop or a stye may
form. A loss of lashes or broken lashes may be experienced. If left untreated,
staph blepharitis may lead to infection and scarring of the cornea and other
areas of the eye.
How is blepharitis treated?
It is often difficult to distinguish between the two types of blepharitis, as
they frequently appear together. The main difference is the presence of ulcers
with staph blepharitis. These ulcers are not present with seborrheic blepharitis.
However, both forms of the disease are treated similarly.
Treatment of blepharitis is concentrated on maintaining very clean eyelid margins.
The eyelids must be kept immaculately clean. Scrubbing with a solution of water
and mild baby shampoo (20 drops of water to one drop of baby shampoo) is usually
recommended for cleaning.
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