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In medical literature, Anglo-Irish surgeon Robert James Graves, in 1835, was the first to describe the association of a thyroid goitre with exophthalmos (proptosis) of the eye. [29] Graves' ophthalmopathy may occur before, with, or after the onset of overt thyroid disease and usually has a slow onset over many months. [citation needed]
Patients with Graves' disease can also undergo periods of hypothyroidism (inadequate production of thyroid hormone; see symptoms of hypothyroidism), due to the challenges of finding the right dosage of thyroid hormone suppression and/or supplementation. The body's need for thyroid hormone can also change over time, such as in the first months ...
Thyroid-associated ophthalmopathy (TAO), or thyroid eye disease (TED), is the most common extrathyroidal manifestation of Graves' disease. It is a form of idiopathic lymphocytic orbital inflammation , and although its pathogenesis is not completely understood, autoimmune activation of orbital fibroblasts , which in TAO express the TSH receptor ...
Dalrymple's sign is a widened palpebral (eyelid) opening, or eyelid spasm, seen in thyrotoxicosis (as seen in Graves' disease, exophthalmic goitre and other hyperthyroid conditions), causing abnormal wideness of the palpebral fissure.
Exophthalmos (also called exophthalmus, exophthalmia, proptosis, or exorbitism) is a bulging of the eye anteriorly out of the orbit. Exophthalmos can be either bilateral (as is often seen in Graves' disease) or unilateral (as is often seen in an orbital tumor). Complete or partial dislocation from the orbit is also possible from trauma or ...
Graves disease Joffroy's sign is a clinical sign in which there is a lack of wrinkling of the forehead when a patient looks up with the head bent forwards. [ 1 ] It occurs in patients with exophthalmos in Graves disease .
TED causes inflammation and damage to the tissues around the eye and usually occurs in people with Graves' disease, an immune system disorder that results in overproduction of thyroid hormones.
Stellwag's sign is a sign of infrequent or incomplete blinking associated with exophthalmos or Graves orbitopathy. It is accompanied by Dalrymple's sign, which is a retraction of the upper eyelids resulting in an apparent widening of the palpebral opening. Stellwag's sign is named after Austrian ophthalmologist Karl Stellwag von Carion.
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