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There are a variety of causes that can lead to eye pain. These conditions are divided into three; conditions that affect the cornea, those that affects the other parts of the eye and conditions involving other parts of the body that causes pain to be felt in the eye area.

Medical News Today enumerates the corneal disorders that may cause pain in the eye. The cornea of the outermost layer of the eye will act as a barrier to keep out dirt, germs, and other harmful foreign particles that could harm the eye as well as filtering UV rays from the sun.

Corneal disorders that may cause eye pain include Herpes simplex keratitis, Bullous keratopathy or the swelling of the cornea, Peripheral ulcerative keratitis that causes inflammation and ulceration of the cornea, and Corneal ulcer, an eye infection that causes an open sore on the cornea. However, just like any other body parts, the cornea has the capabilities to heal from minor injuries.

To be able to examine the cornea and the eye area to identify the cause of eye pains, a slit lamp is most commonly used. This instrument allows a doctor to examine the eye under high magnification. Fluorescein may be used to provide a temporary staining in the cornea to make it easier for the doctor to see the root cause of the irritation or the pain.

Common eye problems enumerate by Web MD include Blepharitis or the infection of the eyelid, Conjunctivitis or pink eye that can cause inflammation of the conjunctiva. This can be due to allergies, viral infections or bacterial infections. Foreign bodies that are caught in the eye can also irritate it. Meanwhile,

Glaucoma, another form of eye disorder that may cause pain in the eye is a condition wherein fluids build up in your eye and may put pressure on your optic nerves. Glaucoma, when left untreated can lead to blindness.

Pain in the eye which includes less vision, headaches, light sensitivity, nausea, and vomiting requires immediate medical attention. Seeing a professional to be able to identify and address eye pain is necessary to maintain a healthy vision.