Exophthalmos
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| Exophthalmos | |
|---|---|
| File:Girl aged 17 years with marked proptosis Wellcome L0062481.jpg | |
| Synonyms | Proptosis |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Bulging eyes, dry eyes, irritation, double vision |
| Complications | Corneal ulcer, vision loss |
| Onset | Any age |
| Duration | Variable |
| Types | N/A |
| Causes | Graves' disease, orbital cellulitis, orbital tumor, trauma |
| Risks | Hyperthyroidism, autoimmune disorders |
| Diagnosis | Physical examination, imaging studies |
| Differential diagnosis | Orbital pseudotumor, thyroid eye disease, orbital cellulitis |
| Prevention | N/A |
| Treatment | Corticosteroids, radiation therapy, surgery |
| Medication | N/A |
| Prognosis | Variable, depends on underlying cause |
| Frequency | Common in Graves' disease |
| Deaths | N/A |
Exophthalmos, also known as proptosis, is a medical condition characterized by the anterior displacement or bulging of one or both eyes within the orbit. This condition can be a sign of various underlying health issues, most notably thyroid eye disease (TED), also known as Graves' orbitopathy. Exophthalmos can affect one or both eyes and ranges from mild to severe, potentially leading to significant discomfort and vision problems.
Causes[edit]
Exophthalmos can result from several conditions, including:
- Thyroid Eye Disease (TED): The most common cause, associated with hyperthyroidism.
- Orbital tumors: Benign or malignant growths within the orbit that push the eye forward.
- Infections: Such as orbital cellulitis, which can cause swelling behind the eye.
- Inflammatory conditions: Like sarcoidosis or Wegener's granulomatosis.
- Vascular problems: Including cavernous sinus thrombosis and carotid-cavernous fistula.
Symptoms[edit]
Symptoms of exophthalmos may include:
- Visible bulging of the eyes
- Dry or irritated eyes
- Excessive tearing
- Difficulty closing the eyes completely
- Altered vision or double vision (diplopia)
- Sensitivity to light
Diagnosis[edit]
Diagnosing exophthalmos involves a comprehensive evaluation, including:
- Clinical examination
- Imaging studies, such as CT scans or Magnetic Resonance Imaging (MRI), to view the orbit and assess for underlying causes.
- Blood tests, especially to assess thyroid function in cases suspected to be related to TED.
Treatment[edit]
Treatment of exophthalmos focuses on the underlying cause:
- For TED, options may include selenium supplements, steroids, radiotherapy, or surgery.
- Management of orbital tumors might involve surgery, radiation, or chemotherapy.
- Infections require prompt antibiotic treatment.
- Lubricating eye drops and ointments can help manage symptoms of dryness and exposure.
Complications[edit]
If left untreated, exophthalmos can lead to serious complications, including:
- Corneal abrasion
- Vision loss
- Diplopia
- Cosmetic concerns affecting psychological well-being
See Also[edit]
External Links[edit]
- American Thyroid Association - Thyroid Eye Disease
- American Academy of Ophthalmology - What is Proptosis?
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