Pleharitis is a chronic inflammation of the lid margin.
Ulcerative blepharitis
Etiology:
1- predisposing factors ( old age, diabetes, malnutrition, avitaminosis, uncontrolled error of refraction)
2- Exciting cause: Infection of the lid margin with staphylococcus aureus.
Symptoms:
Burning sensation, lacrimation, frequent falling of lashes and discharge.
Signs:
yellow crusts glue the lashes together and when removed they leave minute ulcers at the lid margin which bleed easily.
Treatment:
General treatment :-
1- improve general health.
2- control diabetes if present.
3- correct error of refraction.
Local treatment :-
1- remove crusts with soap and water or 3% sodium bicarbonate lotion.
2- apply antibiotic ointment according to sensitivity and rub it into the margin because the organisms are hidden in the hair follicles.
3- continue the same treatment for 2 weeks after apparent cure.
4- epilate any maldirected lashes ( no electrolysis).
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