Seminar presentation on Bacteria meibomitis and blepharitis

Bacteria meibomitis as a part of blepharitis

1. A SEMINAR PRESENTATION ON BLEPHARITIS/ MEIBOMITIS By ONYEBI JOHN C. 03/05/2024

2. TABLE OF CONTENTS INTRODUCTION/DEFINITION TYPES OF BLEPHARITIS CAUSES OF BLEPHARITIS COMPLICATIONS OF BLEPHARITIS

3. INTRODUCTION/DEFINITION Blepharitis is a subacute or chronic inflammation of the lid margins., it usually affects both eyes along the edges of the eyelids. The eyelids can become irritated and itchy, and appears greasy and crusted with scales that cling to the lashes. It commonly occurs when tiny oil glands near the base of the eyelids become clogged, causing the irritation and redness. It can be uncomfortable and unsightly, but it usually doesn’t cause any permanent damage on your eye sight.

4. Blepharitis is an extremely common disease which can be divided into the following clinical types Seborrhoeic / squameous blepharitis Ulcerative blepharitis Posterior blepharitis ( Meibomitis ) Parasitic blepharitis TYPES OF BLEPHARITIS

5. SEBORRHOEIC / SQUAMEOUS BLEPHARITIS It is usually associated with seborrhoea of scalp(dandruff) . Some metabolic factors play a part in its etiology. In it, glands of Zeis secrete abnormal excessive neutral lipids which are split by corynebacterium acne into irritating free fatty acids. SYMPTOMS Patients usually complain of deposition of whitish material at the lid margins associated with discomfort. Irritations Occasionally watery eye and a history of falling of eyelashes

6. CONT. SIGNS Accumulation of white dandruff-like scales are seen on the lid margin., On removing these scales underlying surface is found to be hyperaemic (no ulcers). The lashes fall out easily but are usually replaced quickly without distortion. In long standing cases, lid margin is thickened and the sharp posterior border tends to be rounded leading to epiphoria TREATMENT Improvement of health and balanced diets Associated seborrhoea of the scalp should be adequately treated Frequent application of combined antibiotics and steroid eye ointment at the lid margin