Eye pain can be caused by conjunctivitis, corneal abrasions, foreign bodies, and blepharitis. Orbital pain is felt deep behind the eye and can be caused by serious eye diseases such as glaucoma and neuritis. Other causes include stye, iritis, and sinusitis. Diagnosis depends on symptoms and initial reasons for pain.
Some of the more common causes of eye pain include conjunctivitis, corneal abrasions, and foreign bodies in the eye. Eyelid inflammation, known as blepharitis, can also cause pain. Other serious causes of pain include glaucoma, which can lead to blindness if left untreated, and neuritis, in which the nerve at the back of the eye becomes inflamed.
Eye pain can generally be classified into two distinct types. Eye pain refers to discomfort around the outside of the eye, while orbital pain is usually felt deep behind the eye. Orbital pain also tends to be less severe than eye pain, although it can be caused by a number of serious eye diseases.
Some of the more common causes of eye pain include conjunctivitis, stye, and corneal abrasions. Conjunctivitis is a condition in which parts of the eyeball become inflamed, sometimes causing itching, discharge and pain. It is a common cause of eye pain and can be easily treated most of the time. A stye is an infection of the eyelid glands, causing pain and sometimes a lump. Corneal abrasions are simply when the cornea, the front surface of the eye, becomes scratched or damaged.
There are a number of other potential causes of eye pain. For example, a little dirt or dust caught in the eye can cause discomfort. Contact lenses sometimes break off in the eye, leaving a small part behind. Blepharitis, in which the eyelids become inflamed, is another common cause of eye pain.
Orbital eye pain is often more severe. Glaucoma is a condition involving increased pressure in the eye. Acute glaucoma, in which blood pressure rises rapidly, can cause serious symptoms including eye pain and decreased vision. Acute glaucoma not treated immediately can cause blindness.
The iris, the colored part of the eye, can become inflamed. This is known as iritis and often causes pain that appears to be deep within the eye. Compared to other eye problems, iritis is relatively rare. It can be caused by a direct impact on the eye as well as an infection.
Other potential causes of orbital eye pain include neuritis, a condition in which the nerve in the eyeball becomes inflamed, and sinusitis, in which pressure builds up behind the eye. Aside from the location and type of pain, the diagnosis of the condition depends on what other symptoms are present. The initial reasons for eye pain are also important. If, for example, the patient was recently in an automobile accident or suffered from a severe migraine, these conditions can cause pain around the eye.
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