Bulging Eyes

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Reviewed By:

Sanshiro Kato

Sanshiro Kato, MD (Emergency department)

From our team of 50+ doctors

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Content updated on Sep 6, 2022

About the symptom

Proptosis is the bulging of one or both or the eyes from their natural position.

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Bulging eyes

Possible causes

  • Graves' disease

    A condition of an overactive thyroid gland. It is a disorder where the immune system mistakenly attacks the thyroid gland.

  • Hyperthyroidism

    A disorder of an overactive thyroid gland. This causes overactivity of thyroid hormones that are needed for growth, development and metabolism. Causes include viral infections, brain disorders and autoimmunity (where the body's immune system attacks itself)

  • Neurofibromatosis

    This is a disorder that causes tumours to grow on the nerves in the spinal cord or brain. The tumours are usually benign, but can occasionally become cancerous. The disorder can be inherited or can arise sometime during life due to gene mutation. There are three kinds of neurofibromatosis with different symptoms, and they are usually diagnosed in childhood or early adulthood.

  • Relapsing Polychondritis
  • Uveitis

  • Carotid-cavernous fistula

Related serious diseases

  • Cerebral hemorrhage

    This is a life-threatening condition where there is bleeding into the tissues or spaces in the brain. It is a type of stroke. Causes include high blood pressure, dilated and weak blood vessels, bleeding from a tumour and head trauma. Risk factors include hypertension, excessive alcohol consumption and diabetes.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do your eyes bulge outwards?

  • Do you have less or no appetite, therefore eat less food?

  • Do you have swelling on the front of your neck?

  • Do you have nausea or vomiting?

  • Do you have a fever?

Other Related Symptoms

Symptoms from the same body system / part


  • Wright JE. Proptosis. Ann R Coll Surg Engl. 1970 Dec;47(6):323-34. PMID: 5536948; PMCID: PMC2387903.


Reviewed By:

Sanshiro Kato

Sanshiro Kato, MD (Emergency department)

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

Shohei Harase

Shohei Harase, MD


Kameda Medical Center, Japan

Sanshiro Kato

Sanshiro Kato, MD

Emergency department

Kawai Clinic, Japan

Yu Shirai

Yu Shirai, MD


Yotsuya Yui Clinic, Japan

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

Co-founder of Ubie, Inc.

Rohini R

Rohini R, MD

Ear, nose, throat (ENT)

Bayshore Health Centre, India

Seiji Kanazawa

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

National Center for Child Health and Development, Japan

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