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Learn about your vision changes, including causes and common questions. Or get a personalized analysis of your vision changes from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

Vision Changes Checker

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Your Vision Changes May Also be Known as:
Blind spot
Seeing weird things
Things look funny
Trouble seeing
Visual disturbance

Top 9 Vision Changes Causes

  1. 1.Type 2 Diabetes

    Diabetes causes that blood glucose (blood sugar) levels to become high. With Type II Diabetes, the more common type, the body does not make or use insulin efficiently. Insulin is necessary to metabolize glucose.

    You should visit your primary care physician to get screened for type II diabetes. If the screen is positive, your doctor may recommend lifestyle changes such as maintaining a healthy diet, increasing physical activity, and losing weight. There are also glucose-lowering medications that your doctor may prescribe.

    Rarity:
    Common
    Top Symptoms:
    fatigue, increased appetite compared to normal, vision changes, feeling itchy or tingling all over, hearing loss
    Urgency:
    Primary care doctor
  2. 2.Cataract

    A cataract is clouding of the eye's lens that leads to decreased vision. It typically develops slowly over time.

    You should go see your primary care doctor, who can do an exam and refer you to an ophthalmologist, if necessary.

    Rarity:
    Common
    Top Symptoms:
    vision changes, blurry vision, sensitivity to light, double vision, altered color perception
    Symptoms that always occur with cataract:
    vision changes
    Urgency:
    Primary care doctor
  3. 3.Age - Related Macular Degeneration

    Age-related macular degeneration is a disease of the macula, which is the part of the eye responsible for seeing objects clearly. It is the leading cause of vision loss in the United States.

    You should visit your primary care physician within a few weeks to discuss your symptoms. The diagnosis will be made via eyesight tests.

    Rarity:
    Common
    Top Symptoms:
    vision changes, blurry vision, difficulty transitioning from bright to dim environments, visual distortions, altered color perception
    Symptoms that always occur with age-related macular degeneration:
    vision changes
    Urgency:
    Primary care doctor
  4. 4.Traumatic Brain Injury

    Traumatic brain injury (TBI) happens when a bump, blow, jolt, or other head injury causes damage to the brain.

    You should go to the hospital immediately. More than half of Traumatic Brain Injuries are bad enough that people must go to the hospital. The worst injuries can lead to permanent brain damage or death. There, doctors will examine you and take images of your brain to see if there's any bleeding.

    Rarity:
    Common
    Top Symptoms:
    new headache, irritability, clear runny nose, vision changes, general numbness
    Symptoms that always occur with traumatic brain injury:
    head injury
    Urgency:
    Emergency medical service

    Vision Changes Checker

    Take a quiz to find out why you’re having vision changes.

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  5. 5.Cushing Syndrome

    Cushing Syndrome is a hormonal disorder. The cause is long-term exposure to too much cortisol, a hormone that the adrenal gland makes. Sometimes, taking synthetic hormone medicine like corticosteroids to treat an inflammatory disease leads to Cushing's syndrome.

    Your treatment will depend on why your have too much cortisol. If it is because you have been taking synthetic hormones, a lower dose may control your symptoms. If the cause is a tumor, surgery and other therapies may be needed, so a doctor's consultation in the near future is best.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, depressed mood, headache, weight gain, back pain
    Urgency:
    Primary care doctor
  6. 6.New Migraine

    Migraines are headaches of moderate to severe intensity, which happen when blood vessels in the brain swell up. They are episodic and thus can recur often. Most migraine sufferers experience increased sensitivity to sounds and/or lights and become nauseous and vomit.

    You can safely treat this condition on your own. Migraines are diagnosed purely by your symptoms. Medications, such as over-the-counter pain killers (e.g., ibuprofen or Tylenol) may help. However, it is important not to take them too regularly. Taking them more than two or three times a week can cause more headaches, as the body gets used to the drug, and the headache comes back when you stop taking the medication. Talk to a doctor if you have two or more migraines each month, as there are more effective treatments for preventing migraines.

    Rarity:
    Common
    Top Symptoms:
    new headache, fatigue, nausea, mild headache, sensitivity to light
    Symptoms that always occur with new migraine:
    new headache
    Symptoms that never occur with new migraine:
    fever, diarrhea, productive cough, headache resulting from a head injury
    Urgency:
    Self-treatment
  7. 7.Recurrent Migraine

    Migraines are headaches of moderate to severe intensity, which happen when blood vessels in the brain swell up. They are episodic and thus can recur often. Most migraine sufferers experience increased sensitivity to sounds and/or lights and become nauseous and vomit.

    Migraines are diagnosed purely by your symptoms. Talk to a doctor if you have two or more migraines each month, as there are more effective treatments for preventing migraines. Medications, such as over-the-counter pain killers (e.g., ibuprofen or Tylenol) may help. However, it is important not to take them too regularly. Taking them more than two or three times a week can cause more headaches, as the body gets used to the drug, and the headache comes back when you stop taking the medication.

    Rarity:
    Common
    Top Symptoms:
    headache, fatigue, history of headaches, nausea, mild headache
    Symptoms that always occur with recurrent migraine:
    headache, history of headaches
    Symptoms that never occur with recurrent migraine:
    fever, productive cough, headache resulting from a head injury
    Urgency:
    Primary care doctor
  8. 8.Hypertensive Crisis

    A hypertensive crisis occurs with when there is a severe increase in blood pressure. In some cases, this causes damage to the organs.

    A hypertensive crisis is an emergency requiring immediate attention. Call 911.

    Rarity:
    Uncommon
    Top Symptoms:
    headache, nausea or vomiting, chest pain, being severely ill, vision changes
    Symptoms that never occur with hypertensive crisis:
    rib pain that shoots to the jaw
    Urgency:
    Emergency medical service
  9. 9.Stroke or Tia (Transient Ischemic Attack)

    A stroke is a medical emergency. Strokes happen when blood flow to the brain is stopped.

    Call 911 immediately. The longer you wait, the fewer treatment options available and the worse the outcome.

    Rarity:
    Common
    Top Symptoms:
    dizziness, new headache, being severely ill, stiff neck, arm weakness
    Symptoms that never occur with stroke or tia (transient ischemic attack):
    bilateral weakness
    Urgency:
    Emergency medical service

Questions Your Doctor May Ask About Vision Changes

  • Q.Have you experienced any nausea?
  • Q.Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?
  • Q.Do you currently smoke?
  • Q.Any fever today or during the last week?

If you've answered yes to one or more of these questions, check our vision changes symptom checker.

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Vision Changes Symptom Checker Statistics

  • People who have experienced vision changes have also experienced:

    • 7% Headache
    • 5% Fatigue
    • 4% Nausea
  • People who have experienced vision changes were most often matched with:

    • 10% Cataract
    • 1% Age - Related Macular Degeneration

Vision Changes Checker

Take a quiz to find out why you’re having vision changes.

Take a quiz