Corneal ulcers

Infect the outer layer of corneal ulceration of the cornea, and doctors can determine the area affected by the introduction of colored pigment to the eye.

((See the picture below to corneal ulcer color green))

The causes of corneal ulcers:

Often occur as a result corneal ulcers foreign body, such as the sand soft and scratch to the eye conjunctiva, which can expose the soles of the cornea at risk, and may cause severe pain, conjunctivitis, but soon heal itself within a few days in the case has been removed from UFO .

And other possible causes of corneal ulceration:

 Viral infections: such as herpes simplex or herpes zoster.
 Acute inflammation of the eyelid.
 Acids and alkalis: can be caused by large ulcers of the cornea if it enters the eye accidentally, and should in this case, rinsing with large quantities of salt water or lotion to the eye to minimize the damage as much as possible, and must be requested medical aid as soon as possible.
 People who use contact lenses are prone to such ulcers.