Corneal ulcer a very important ocular disorder has to be managed in time otherwise can lead to complication. A corneal ulcer can be Traumatic  Bacterial  Viral Fungal  Presentations of all these enumerated cases are different. So, is their management in case of traumatic there will be a history of trauma or can be a history of foreign body  2 in bacterial  there is sec bacterial ulceration  in viral presentation can be dendritic or micro dendritic corneal ulceration secondary to herpes simplex keratitis  In fungal keratitis inflammatory signs are minimal but ulceration is maximal if hypopyon devils it is thick anticipated. The treatment is according to the presentation.

No organism penetrates the intact cornea unless there is abrasion. However, there are some organisms which penetrate the intact cornea. They are Corynebacterium diphtheriae  Neisseria gonorrhoeae Neisseria meningitis …