Vision Loss | Loss of Vision in One Eye | When to Know It's Serious (2024)

Wegener's granulomatosis

Wegener's granulomatosis, more recently re-named granulomatosis with polyangiitis, is a disorder in which a dysregulated immune system causes widespread inflammation of small blood vessels throughout the body. This results in slower or impaired blood flow to your nose, sinuses, throat, lungs, and kidneys.

Symptoms can be widespread and affect various parts of the body such as the eyes and ears or respiratory system, yet usually begin more generally with fever, fatigue, a loss of appetite, and weight loss. With treatment, a full recovery is possible; however, this condition can be fatal.

Treatments include immunosuppressive medications in order to control the disease in the short- and long-term.

Rarity: Ultra rare

Top Symptoms: fatigue, loss of appetite, joint pain, shortness of breath, fever

Urgency: Primary care doctor

Stroke or tia (transient ischemic attack)

Transient ischemic attack, or TIA, is sometimes called a "mini stroke" or a "warning stroke." Any stroke means that blood flow somewhere in the brain has been blocked by a clot.

Risk factors include smoking, obesity, and cardiovascular disease, though anyone can experience a TIA.

Symptoms are "transient," meaning they come and go within minutes because the clot dissolves or moves on its own. Stroke symptoms include weakness, numbness, and paralysis on one side of the face and/or body; slurred speech; abnormal vision; and sudden, severe headache.

A TIA does not cause permanent damage because it is over quickly. However, the patient must get treatment because a TIA is a warning that a more damaging stroke is likely to occur. Take the patient to the emergency room or call 9-1-1.

Diagnosis is made through patient history; physical examination; CT scan or MRI; and electrocardiogram.

Treatment includes anticoagulant medication to prevent further clots. Surgery to clear some of the arteries may also be recommended.

Rarity: Common

Top Symptoms: dizziness, leg numbness, arm numbness, new headache, stiff neck

Symptoms that never occur with stroke or tia (transient ischemic attack): bilateral weakness

Urgency: Emergency medical service

Retinal detachment

The retina is a layer of tissue in the eye. When the retina detaches, its normal position is disrupted causing vision changes.

You should visit the emergency room immediately as this can cause permanent vision loss. If possible, visit an eye hospital's emergency room.

Rarity: Rare

Top Symptoms: floating spots in vision, flashing lights in vision

Symptoms that always occur with retinal detachment: floating spots in vision

Symptoms that never occur with retinal detachment: eye pain, eye redness, eye itch, wateriness in both eyes

Urgency: Hospital emergency room

Optic nerve disease

This condition, officially known as non-arteritic anterior ischemic optic neuropathy (NAION), refers to loss of blood flow to the optic nerve (which is the information cable that connects the eye to the brain). This condition typically causes sudden vision loss in one eye, without any pain.

You should seek immediate medical care at an urgent care clinic or ER. This condition is treated with prescription medication, and it is best to be evaluated by a doctor right away to prevent irreversible damage to the optic nerve.

Rarity: Ultra rare

Top Symptoms: loss of vision, blurry vision, eye pain

Symptoms that always occur with optic nerve disease: loss of vision

Urgency: Hospital emergency room

New migraine

A migraine is a one-sided headache that causes intense pain and throbbing due to blood vessels dilating in the brain.

The exact reason for new-onset migraine headache is not known, but a number of causes are being studied:

  • Pregnancy.
  • Soy isoflavone supplements, especially in men.
  • Use and overuse of certain medications.
  • Traumatic head injury.
  • Angioma, which is a cluster of dilated blood vessels in the brain.
  • A complication of surgery for some heart conditions.

Anyone with a sudden severe headache should be seen by a medical provider, so that a more serious cause can be ruled out. A transient ischemic attack, also known as TIA or mini-stroke, can have symptoms similar to a migraine but is far more serious.

Diagnosis is made through patient history, physical examination, and imaging such as a CT scan.

Treatment for migraine varies with the individual. Lifestyle changes may be recommended and there are a number of medications that may be tried.

Rarity: Common

Top Symptoms: new headache, fatigue, nausea, mild headache, headache that worsens when head moves

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

Granulomatosis with polyangiitis

Granulomatosis with polyangiitis, or shortened GPA, was formerly known as Wegener's granulomatosis. It is caused by inflammation of the blood vessels by the body's immune system. The inflammation can happen anywhere, but often affects the sinuses, lungs, and kidneys.

You should visit your primary care physician soon to provide an early diagnosis. Treatment of inflammatory diseases commonly involve prescription medications such as a steroid to decrease inflammation, and a cell-damaging medicine to kill abnormal cells.

Giant cell arteriis

Giant cell arteritis is a disorder that affects the blood vessels in the head and neck and can cause headaches, vision problems, jaw pain, and arm pain.

Giant cell arteritis is usually evaluated by a primary care doctor who might perform a physical exam and order a blood test to look for inflammation. They might prescribe steroids to help lower the inflammation.

Rarity: Rare

Top Symptoms: fatigue, joint pain, new headache, fever, muscle aches

Urgency: Primary care doctor

Diabetic retinopathy

Diabetic retinopathy is damage to your retina. It's one of many possible complications of diabetes and is the most common reason working-age people in the United States go blind.

Your retina is the inner lining at the back of the eye. It captures light and signals to your brain that you’re seeing something.

The retina is filled with small blood vessels. High blood sugar levels from diabetes can make these blood vessels bleed and leak fluid. This damages the retina, and can cause you to lose your vision.

If you have diabetes, see an eye doctor regularly and try to keep blood sugar levels under control to prevent diabetic retinopathy.

Carotid artery dissection

A carotid artery dissection is the tearing of the walls of the carotid arteries, which deliver blood to the brain from the aorta. This is a medical emergency.

Call 911 immediately. Diagnosis is done by CT or MRI, and treatment involves anti-clotting medication for at least 3-6 months. Surgery may be necessary for those who can't get this medication.

Acute close-angle glaucoma

Acute closed-angle glaucoma is also called angle-closure glaucoma or narrow-angle glaucoma. "Acute" means it begins suddenly and without warning.

"Glaucoma" means the fluid pressure inside one or both eyes is too high. "Closed-angle" means that the iris – the circular band of color in the eye – does not dilate open properly and blocks the natural drainage mechanism within the eye. The fluid builds up and causes the pressure to increase.

The exact cause of any glaucoma is not known. It may be an inherited trait.

Acute closed-angle glaucoma can be triggered by an extreme dilation of the eyes, as when walking from bright light into total darkness.

Symptoms include sudden eye pain, headache, nausea, blurred vision, and seeing a rainbow-like aura around lights. This is a medical emergency. Take the patient to the emergency room or call 9-1-1.

Diagnosis is made through patient history and thorough eye examination.

Treatment involves surgery to correct the dilation and drainage mechanisms of the eyes, as well as prescription eyedrops and oral medications.

Rarity: Rare

Top Symptoms: headache, nausea or vomiting, vision changes, being severely ill, eye pain

Urgency: Hospital emergency room

Questions your doctor may ask about loss of vision in one eye

  • Do you have high blood pressure?
  • Have you ever been diagnosed with diabetes?
  • Are you experiencing a headache?
  • Did you faint?

Self-diagnose with our free Buoy Assistant if you answer yes on any of these questions.

Vision Loss | Loss of Vision in One Eye | When to Know It's Serious (2024)

FAQs

Vision Loss | Loss of Vision in One Eye | When to Know It's Serious? ›

If you lose vision suddenly, go to the emergency room immediately. If you suddenly lose your vision, you need to get immediate medical help. This is true if you lose vision in part of your field of vision, in one eye or both eyes. And you need to get help whether you have pain in your eye or not.

Is sudden vision loss in one eye an emergency? ›

Sudden vision loss is a medical emergency, and anyone with sudden vision loss should seek medical attention quickly. Evaluation may include an eye examination and a neurological examination to test the function of the eyes and brain.

Why do I think I'm losing vision in one eye? ›

Possible causes can include a detached retina, cataracts, and glaucoma. Some forms of vision loss are temporary, while others are irreversible. In both cases, people can often take steps to improve or correct their vision. Vision loss can occur suddenly or gradually over time.

How to know if an eye injury is serious? ›

Symptoms and Causes
  1. Pain and swelling: If you have significant eye pain that doesn't go away, it might be more serious. ...
  2. Eye bleeding: Bleeding (hemorrhage) can occur in different parts of your eye. ...
  3. Vision changes: If an injury affects your vision for more than a few minutes, take notice.

When should I worry about vision loss? ›

See a specialist in vision problems (optometrist or ophthalmologist) if you experience any vision problems that impair your ability to read or write comfortably, drive safely, or participate in everyday activities.

What are the signs of an eye stroke? ›

Symptoms of Eye Stroke

Most people with eye stroke notice a loss of vision in one eye upon waking in the morning with no pain. Some people notice a dark area or shadow in their vision that affects the upper or lower half of their visual field. Other symptoms include loss of visual contrast and light sensitivity.

Should I go to the ER for blurred vision in one eye? ›

You should go to an emergency room if you have any sudden onset of blurred vision or loss of vision.

What is a mini stroke in the eye? ›

When people use the term "ministroke," they're referring to a transient ischemic attack (TIA). A TIA is a brief blockage of blood flow to part of the brain, spinal cord or the thin layer of tissue at the back of the eye known as the retina. This blockage may cause temporary stroke-like symptoms.

When should I be worried about blurry vision in one eye? ›

Seek immediate medical attention if you are experiencing any of the following symptoms along with blurry vision: Severe headache. Disorientation. Difficulty speaking or understanding speech.

What is a temporary vision loss in one eye? ›

The term amaurosis fugax means 'transient darkening' and it is used by doctors to describe a temporary loss of vision through one eye, which returns to normal afterwards. This is usually due to a temporary disturbance of the blood flow to the back of the eye.

What would be considered an eye emergency? ›

Definition. Eye emergencies include cuts, scratches, objects in the eye, burns, chemical exposure, and blunt injuries to the eye or eyelid. Certain eye infections and other medical conditions, such as blood clots or glaucoma, may also need medical care right away.

What are the red flags of eye injury? ›

Immediate action required: Go to A&E or call 999 if:

a sharp object has pierced your eye. something has hit your eye at high speed – for example, while using power tools or mowing the lawn. there are any changes to your sight after an eye injury. you have a headache, high temperature or sensitivity to light.

What are the symptoms of a ruptured eye? ›

The signs and symptoms of open globe injury vary but may include:
  • Eye pain.
  • Vision loss.
  • Fluid leaking from the eye.
  • An injury that's visibly pierced your eyelid.
  • Extrusion of ocular tissue from the eyeball (eye tissue is pushed out).
Dec 11, 2022

When is vision loss an emergency? ›

If you lose vision suddenly, go to the emergency room immediately. If you suddenly lose your vision, you need to get immediate medical help. This is true if you lose vision in part of your field of vision, in one eye or both eyes. And you need to get help whether you have pain in your eye or not.

Why do I suddenly lose sight in one eye? ›

Sudden loss of vision is an emergency, so people should go directly to a hospital. The presence or absence of pain helps indicate which causes are most likely. If vision returns quickly on its own, transient ischemic attack and ocular migraine are among the likely causes.

When is a vision problem an emergency? ›

The signs and symptoms of eye emergencies include:

A bloodshot eye appearance, even if a wound is not visible. Loss of vision (partial or total). Leakage of blood or clear fluid from the injured eye.

When is vision issues an emergency? ›

Vision changes require professional medical attention. Serious underlying medical conditions can cause sudden vision changes, even if the change is temporary. If you're experiencing sudden blurred vision, seek immediate medical care or call 9-1-1.

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