Exophthalmos


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Related to Exophthalmos: Graves disease

exophthalmos

[‚ek‚säf′thal·məs]
(medicine)
Abnormal protrusion of the eyeball from the orbit.

Exophthalmos

 

protrusion of the eyeball. Exophthalmos is most commonly caused by diffuse toxic goiter. It may also be caused by a tumor in the eyeball or adjacent regions, trauma of the eyeball, thrombosis of the orbital veins, and inflammatory diseases. If pronounced, exophthalmos may be accompanied by limited mobility of the eyeball and impairment of vision. Therapy is based on the cause of the condition.

References in periodicals archive ?
Differential diagnoses at this time included soft tissue swelling of periorbital tissues, buphthalmos, or exophthalmos secondary to a retrobulbar mass.
Pretibial myxoedema is a known manifestation of Graves' disease that occurs in association with diffuse thyroid gland enlargement, exophthalmos, and thyroid acropachy (Kriss 1987).
The most commonly presenting clinical symptoms and signs of orbital Echinococcosis are: nonpulsatile, nontender exophthalmos (as in our cases), visual disturbances, papilledema, diplopia, chemosis, eyelid edema, conjunctivitis and hypopyon.
The differential diagnoses for exophthalmos include a retrorobital mass, such as an abscess, granuloma, or neoplasia.
Depending on the cause of hyperthyroidism, exophthalmos may or may not be present.
The eyelid retraction can be explained by exophthalmos itself and by a chronic [beta]-adrenergic stimulation of the levator Muller's muscle secondary to the thyrotoxicosis.
39) Elderly patients may not have goiter, exophthalmos, or other ophthalmopathy.
The study involved 153 patients (125 women and 28 men; median age, 42 years; range, 17-65 years) with Graves disease diagnosed from typical clinical signs: hyperthyroidism, vascular and homogeneous goiter, occasional exophthalmos, increased free thyroid hormone concentrations (free triiodothyronine >8.
Ophthalmic examination revealed mild bilateral exophthalmos, whereas the globes showed no evidence of disease.
It also revealed bilateral cataract, normal ocular mobility, and a right and high displaced right eye with no exophthalmos.
He had no exophthalmos or sensory or cranial nerve deficits.
The left orbit was medially compressed, and exophthalmos had occurred.