Etiology:
Chronic infection of the lid margin by Morax Axenfeld diplobacillus which is gram negative organism secreting proteolytic enzyme causing epithelial maceration. It’s called angular due to relative tear deficiency at the angle (i.e. Deficiency of lysozyme) which can protect conjunctiva against bacteria.
Clinical picture :
Symptoms : itching and discharge.
Signs : inner and outer canthi show maceration.
Conjunctival redness and discharge.
Complications: corneal ulcer and Ankyloblepharon ( adhesion between the two lid margins)
Treatment:
1- Zinc sulphate drops 1/2 % t.d.s.
2- Terramycin ointment 1/2 % t.d.s.
3- Gentian Violet 1% paint for macerated skin.
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