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What causes blurred vision? 84 possible conditions

See a list of possible causes in order from the most common to the least.


Corneal Abrasion

This condition is considered a medical emergency. Urgent care may be required.

A minor scratch to the eye's cornea is called a corneal abrasion. It can be caused by dust, contact lenses, or other foreign objects, and can sometimes develop into a serious eye condition.

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Brain Aneurysm

This condition is considered a medical emergency. Urgent care may be required.

An aneurysm in the brain is a weak area in an artery in the brain that bulges out and fills with blood. It can be unpredictable and life-threatening, and can cause extremely serious conditions.

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Conjunctivitis (Pink Eye)

Conjunctivitis, or "pink eye," is an infection or swelling in the eye area that causes inflammation of the conjunctiva, giving the eye a red or pink color.

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Type 1 Diabetes

Type 1 diabetes is a chronic disease that result high levels of glucose in the blood due to a lack of insulin production. Glucose is a natural sugar that your body uses as a source of energy.

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Diabetic Retinopathy

Diabetic retinopathy is a condition that occurs as a result of damaged blood vessels of the retina in people who have diabetes. Diabetic retinopathy can develop whether you have type 1 or type 2 diabetes. While you ma...

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Swelling of the uvea, the middle layer of the eye, is called uveitis. It is often associated with infections or autoimmune diseases, and can cause blurry vision, eye pain, and floaters.

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Diabetes Overview

Diabetes is a group of chronic metabolic diseases caused by defects in insulin production or function. Advanced diabetes may cause stomach pain, nausea, dizziness, and cramps.

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Type 2 Diabetes Overview

Type 2 diabetes is a common chronic metabolic disease that leads to abnormally high levels of blood sugar in the blood. This blood sugar is also referred to as glucose.

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Scleritis is severe inflammation of the sclera, the eye's outer protective layer. It usually causes pain, and can sometimes cause vision loss.

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Presbyopia causes people's eyes to be unable to focus as quickly on close-up objects. It naturally affects everyone's eyes as they age.

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Allergic Conjunctivitis

Allergic conjunctivitis is when exposure to allergens (such as mold spores or pollen) cause your eyes to become watery, red, and itchy.

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Farsightedness, or hyperopia, is a common vision impairment in which you are able to see things that are far away, but have trouble seeing things that are up close.

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Graves' Disease

Graves disease is an autoimmune disorder that leads to hyperthyroidism and causes thyroid swelling.

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Retinal Vascular Occlusion

Retinal vascular occlusion occurs when one of the vessels carrying blood to or from your retina becomes blocked or contains a blood clot.

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Pterygium is a benign, noncancerous growth that develops on the mucous membrane on the white part of the eye. Although they usually don't need treatment, they can be removed if they cause vision problems.

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Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.

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Retinal Detachment

This condition is considered a medical emergency. Urgent care may be required.

When the retina separates from the back of the eye, this is known as retinal detachment. It is a medical emergency that can cause partial or total vision loss.

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Underactive Pituitary Gland (Hypopituitarism)

The pituitary gland releases hormones that play roles in body processes like bone growth and metabolism. An underactive pituitary can disrupt these processes. Causes may include tumors, traumatic injuries, and diseases.

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Intracerebral Hemorrhage

This condition is considered a medical emergency. Urgent care may be required.

Intracerebral hemorrhage (ICH) is when blood suddenly bursts into brain tissue, causing damage to the brain. Symptoms usually appear suddenly during ICH.

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Chemical Burns

This condition is considered a medical emergency. Urgent care may be required.

Chemical burns occur when the skin or eyes come into contact with irritants, such as acids or bases. Symptoms vary, but skin reactions, pain or numbness are common.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.