What is Corneal Ulcer?
A Corneal Ulcer or Keratitis is an open sore on the cornea (the clear outer layer in front of the eye that covers the iris and the pupil).

What Causes Corneal Ulcers?
Normally, an eye infection or eye disorder is responsible for the birth of corneal ulcers. Following is a list of these various infections and disorders

What is Blindness?
Blindness is a loss of eyesight that is caused when the optic nerve, the part of the brain responsible for vision or any portion of the eye is damaged.

Blindness can either be permanent or temporary.