MOOREN'S ULCER

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The Mooren's ulcer (chronic serpiginous or rodent ulcer) is a severe inflammatory peripheral ulcerative keratitis.

Etiology
Exact etiology is not known. Different views are :
1. It is an idiopathic degenerative conditon.
2. It may be due to an ischaemic necrosis resulting from vasculitis of limbal vessels.
3. It may be due to the effects