It is an eye infection that causes the formation of an open ulcer in the cornea, caused by: contact lenses with poor hygiene or excessive use, injuries, disorders, drugs and nutritional deficiencies.
Treatment: it will depend on what caused it and should be started as soon as possible to prevent possible scarring of the cornea that can lead to a worsening of vision:
Antibiotic drops, antifungals, or antivirals to relieve pain, intensively in the first hours or days with the aim of eradicating the germ that causes it.
Dilate the pupil with atropine or scopolamine, they can relieve pain and reduce the possibility of complications.
If the corneal ulcer were of a more serious type, surgery or corneal transplantation may even be needed to replace the damaged cornea.