Exophthalmus

Exophthalmus is a medical condition characterized by the abnormal protrusion of the eyeball or eyeballs. It is a common symptom of several medical disorders including Graves' disease, orbital cellulitis, and orbital tumors. The condition can be either bilateral, affecting both eyes, or unilateral, affecting one eye.

Causes

Exophthalmus can be caused by a variety of conditions, including:

• Graves' disease: This is an autoimmune disorder that affects the thyroid gland, causing it to produce excessive amounts of thyroid hormone. This can lead to swelling of the tissues around the eyes, resulting in exophthalmus.
• Orbital cellulitis: This is an infection of the tissues surrounding the eye. It can cause swelling and inflammation, leading to exophthalmus.
• Orbital tumors: Tumors in the orbit (the bony cavity that contains the eye) can push the eyeball forward, causing exophthalmus.

Symptoms

The main symptom of exophthalmus is the noticeable protrusion of one or both eyeballs. Other symptoms can include:

• Eye pain
• Double vision
• Vision loss
• Dry eyes
• Eye redness
• Swelling around the eyes

Diagnosis

Exophthalmus is usually diagnosed through a physical examination. The doctor may also order imaging tests, such as a CT scan or MRI, to determine the cause of the exophthalmus.

Treatment

Treatment for exophthalmus depends on the underlying cause. This can include:

• Medication: For conditions like Graves' disease, medication can help to reduce the production of thyroid hormone and relieve symptoms.
• Surgery: In some cases, surgery may be needed to remove a tumor or to relieve pressure on the eye.
• Radiation therapy: This may be used to shrink tumors or to treat Graves' disease.

See also

• Proptosis
• Hyperthyroidism
• Thyroid eye disease

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