Thyroid Eye Disease (TED) is a serious autoimmune condition that affects the eyes and vision. Get comprehensive, up-to-date information on symptoms, diagnosis, and the latest breakthrough treatments.
Thyroid Eye Disease (TED), also known as Graves' ophthalmopathy or thyroid-associated orbitopathy, is an autoimmune condition in which the immune system mistakenly attacks the muscles and fatty tissue behind and around the eyes.
TED is most commonly associated with Graves' disease, a condition that causes the thyroid gland to overproduce hormones. However, TED can also occur in people with normal or even underactive thyroid function.
The condition occurs in two phases:
TED affects women more than men, typically occurring between ages 30–50, and smoking significantly worsens the condition.
TED is triggered when the immune system produces antibodies (TSH receptor antibodies / TRAb) that attack tissues in the thyroid and orbit, causing inflammation and swelling.
A multidisciplinary team is often required: an endocrinologist, ophthalmologist, and oculoplastic surgeon working together for best outcomes.
TED symptoms range from mild to severe. Early recognition is critical — the active phase is the optimal treatment window.
One of the most recognizable signs — eyes appear to protrude or bulge forward due to swelling of fat and muscles behind the eye.
CommonReduced ability to close eyelids completely leads to dryness, irritation, and a persistent gritty or sandy feeling.
Very CommonInflammation of the conjunctiva (white of the eye), eyelids, and surrounding tissues causes visible redness and puffiness.
CommonSwelling of the extraocular muscles disrupts eye alignment, causing double vision — especially when looking up or sideways.
ModeratePhotophobia (sensitivity to light) is common due to corneal exposure and inflammation, making bright environments painful.
CommonIn severe cases, compression of the optic nerve (dysthyroid optic neuropathy) can threaten permanent vision loss — a medical emergency.
Seek Care ImmediatelyUpper eyelids pull back, creating a wide-eyed, staring appearance. This is a hallmark sign of TED, even in mild cases.
CommonAs a response to dryness and irritation, the eyes may paradoxically produce excess tears, causing frequent watering.
MildTreatment depends on the severity, phase of disease, and individual patient factors. Significant advances have been made in targeted therapies.
Artificial tears and lubricating ointments relieve dryness and protect the cornea from exposure damage.
Studies show selenium (100 mcg twice daily for 6 months) can improve mild TED and reduce progression — recommended by European thyroid guidelines.
Stopping smoking is one of the most impactful interventions — smokers have more severe TED and poorer treatment responses.
Prisms added to eyeglass lenses can help manage mild double vision without surgery.
The first FDA-approved drug specifically for TED. A monoclonal antibody that blocks IGF-1R, dramatically reducing proptosis and double vision in clinical trials. Given as 8 IV infusions over 24 weeks.
Clinical results: ~83% of patients saw proptosis reduction; ~68% had improved double vision.
High-dose intravenous methylprednisolone reduces orbital inflammation. Most effective during the active phase. Typically administered weekly for 12 weeks.
Low-dose external beam radiation to the orbit reduces inflammation in select patients, often used in combination with steroids.
Removes bone and/or fat from the eye socket to create more space, reducing proptosis and relieving optic nerve compression.
Adjusts the position of eye muscles to correct double vision after the active phase has resolved and the condition is stable.
Corrects eyelid retraction, improves eye closure, and addresses cosmetic concerns once TED is no longer active.
Oral alternative to Tepezza currently in Phase 3 clinical trials — promising results for patients seeking non-infusion options.
Reduces TRAb antibody levels. Phase 3 trials underway — may address the underlying autoimmune cause more directly.
Another next-generation monoclonal antibody targeting the IGF-1R pathway with potentially fewer side effects.
A subcutaneous (under-skin injection) formulation of Tepezza is in development, offering a more convenient self-administration option.
Patient support, education, and community resources for Graves' disease and TED patients.
gdatf.org →Find a TED specialist, clinical guidelines, and patient education materials.
aao.org →Search active clinical trials for TED treatments — you may qualify for cutting-edge therapies.
clinicaltrials.gov →Comprehensive thyroid disease information, physician finder, and patient resources.
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