Corneal ulcer

A corneal ulcer is an open sore which is in the outer layer of the cornea. The cause is usually an infection by a bacteria, virus, fungus or parasite. Other causes include severe dry eyes, severe allergic disease, the eyelids do not close well or foreign bodies in the eye. Your treatment depends on the cause but in cases of severe ulcers is sometimes necessary to perform a corneal transplant. If the corneal ulcer is not treated, it can lead to loss of the eye, a considerable loss of vision or the appearance of scars on the cornea.

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