Graves' ophthalmopathy
Graves' Ophthalmopathy[edit | edit source]
Graves' ophthalmopathy, also known as thyroid eye disease (TED), is an autoimmune inflammatory disorder affecting the orbit and periorbital tissues. This condition is primarily associated with Graves' disease but can also occur in individuals with Hashimoto's thyroiditis or in those with normal thyroid function (euthyroid).
Characteristics[edit | edit source]
Graves' ophthalmopathy is characterized by:
- Upper eyelid retraction
- Lid lag, where the eyelid moves irregularly when the eyes move
- Swelling and inflammation of eye tissues
- Redness (erythema) and conjunctivitis
- Bulging eyes (exophthalmos), caused by inflammation and swelling of the eye muscles and tissues
Association with Thyroid Disorders[edit | edit source]
This condition is most commonly seen in individuals with:
- Graves' disease, an autoimmune disorder that leads to overactivity of the thyroid gland (hyperthyroidism).
- Less commonly, it can be associated with Hashimoto's thyroiditis, an autoimmune condition causing underactive thyroid (hypothyroidism).
- In some cases, it occurs in individuals with normal thyroid function (euthyroid).
Pathophysiology[edit | edit source]
The exact cause of Graves' ophthalmopathy is not fully understood, but it is believed to involve:
- An autoimmune response where the body's immune system attacks the tissues around the eyes.
- An interplay between environmental and genetic factors.
Symptoms and Signs[edit | edit source]
Symptoms of Graves' ophthalmopathy can include:
- Dryness, irritation, and a gritty sensation in the eyes.
- Sensitivity to light.
- Blurred or double vision.
- Difficulty moving the eyes.
Diagnosis[edit | edit source]
Diagnosis is typically based on:
- Clinical examination of the eyes.
- Medical history, particularly related to thyroid disease.
- Imaging tests like CT scans or MRI to assess eye socket changes.
Treatment[edit | edit source]
Treatment of Graves' ophthalmopathy may involve:
- Managing the underlying thyroid condition.
- Corticosteroids to reduce inflammation.
- Radiation therapy to the eye muscles.
- Surgical intervention in severe cases to correct eye muscle and eyelid abnormalities.
Prognosis[edit | edit source]
The course of Graves' ophthalmopathy varies:
- Some patients experience only mild symptoms.
- In severe cases, it can lead to vision loss if not properly treated.
Prevention and Management[edit | edit source]
While prevention of the condition is not always possible, effective management of thyroid disorders can mitigate the severity of the symptoms.
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