Excessive production of thyroid hormones by the thyroid gland causes the state of a hyperactive thyroid known as hyperthyroidism and usually is associated by diffuse thyroid gland enlargement. One cause of hyperthyroidism is a condition known as Graves’ disease. It is often associated with enlargement of the eyes known as Graves’ ophthalmopathy and sometime associated with abnormality in the bone around the eyes, the orbit, known as Graves’ orbitopathy. It is believed that Graves’ disease is a result of an immunologic process. Pregnancy has an important association with the development of Graves’ disease (hyperthyroidism). Some patients who were previously normal » » » [Read more]