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BACTERIAL CORNEAL ULCER.
PATHOGENES
IS
PATHOLOGY.
CLINICAL
FEATURES.
BY:-
DR.AYESHA SARWAR.
BEING THE MOST ANTERIOR PART OF THE EYEBALL,
THE CORNEA IS EXPOSED TO ATMOSPHERE AND HENCE
PRONE TO GET INFECTED EASILY.
...
PATHOGENESIS.....
PATHOLOGY OF BACTERIAL
CORNEAL ULCER.....
Stages of corneal ulcer
(Pathology)
Regressive
 Progressive
Cicatrization
Leucocytic infiltration
PMN leucocytic infiltra...
CLINICAL PICTURE (SIGNS AND SYMPTOMS)....
A 50year OLD MAN COMES WITH A HISTORY OF........
PAIN AND FOREIGN BODY SENSATIO...
Bacterial corneal ulcer (pathogenesis, pathology, clinical features).
Bacterial corneal ulcer (pathogenesis, pathology, clinical features).
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Bacterial corneal ulcer (pathogenesis, pathology, clinical features).

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Bacterial corneal ulcer (pathogenesis, pathology, clinical features).

  1. 1. BACTERIAL CORNEAL ULCER. PATHOGENES IS PATHOLOGY. CLINICAL FEATURES. BY:- DR.AYESHA SARWAR.
  2. 2. BEING THE MOST ANTERIOR PART OF THE EYEBALL, THE CORNEA IS EXPOSED TO ATMOSPHERE AND HENCE PRONE TO GET INFECTED EASILY. AT THE SAME TIME CORNEA IS PROTECTED FROM DAY- TO-DAY MINOR INFECTIONS BY NORMAL DEFENCE MECHANISMS PRESENT IN THE TEARS (Present in the form of lysozyme and other proteins) THERFORE, INFECTIVE BACTERIAL ULCER MAY DEVELOP WHEN:- Either the local defence mechanism is jeopardised. Presence of local ocular predisposing disease. Host’s immunity is compromised. The causative organism is very virulent.
  3. 3. PATHOGENESIS.....
  4. 4. PATHOLOGY OF BACTERIAL CORNEAL ULCER.....
  5. 5. Stages of corneal ulcer (Pathology) Regressive  Progressive Cicatrization Leucocytic infiltration PMN leucocytic infiltration vascularisation
  6. 6. CLINICAL PICTURE (SIGNS AND SYMPTOMS).... A 50year OLD MAN COMES WITH A HISTORY OF........ PAIN AND FOREIGN BODY SENSATION WATERING FROM THE EYE PHOTOPHOBIA BLURRED VISION REDNESS OF EYES. SWOLLEN LIDS. MARKED BLEPHAROSPASM. CHEMOSED CONJUCTIVA. A WELL ESTABLISHED CORNEAL ULCER (characteried by):- Yellowish white area of ulcer...may be oval/irregular. Margins of ulcer oval and overhanging. Floor of the ulcer covered by necrotic material. Stromal oedema present surrounding the ulcer area.

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