False regarding Mooren's ulcer is: (AIIMS Nov 2013)
|A||Superficial ulcer starting at corneal margin|
|B||It has advancing boundaries|
|C||Pain is absent|
|D||It rarely perforates|
1. Chronic serpiginous ulcer or rodent ulcer or Mooren's ulcer is a rare superficial ulcer Qof cornea.
2. It is autoimmuse starting at the corneal margin and spreading over whole of the cornea.
3. Persistent and severe neuralgic pain and lacrimation.
4. The ulcer undermines the epithelium and superficial lamellae at the advancing border and forms a whitish overhanging edge which is characteristic.