Corneal ulcer

Injury of the outerlayer of the eye leads to corneal ulcers.

Symptoms
Excessive lacrimation
Blepharospasm
Swollen eyelids
Eye infections
conjuctivitis
Redness of the eyes
Closed eyelids
Avoid lights
Causes
Eye injury
Foreign particle enters into the eyes
Bacteria and fungus enters through ulcers and causes infections.
Viral infections
Insect sting
Chemical sprays
Inflammation
Treatment and prevention
Treatment should be done to prevent further infections.
Eyes should be flushed with normal saline solutions to remove foreign particles.
Antinflammatory drugs can be given
Broad spectrum antibiotis can be given to avoid infections
Nasolacrimal duct flushing can be done
Atropine ointment 
Anti protienase therapy

Regular obsevation is needed