What causes blindness and blurred vision? 18 possible conditions

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

1

Head Injury

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

A head injury could be an injury to the brain, skull, or scalp. It can vary in severity depending on the cause. In some cases face swelling can be a sign of a head injury.

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2

Glaucoma

Glaucoma is a term for several eye conditions that can damage your optic nerve. It has many types, and over time it can lead to vision loss.

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3

Cataract

Cataracts are dense, cloudy areas that slowly form in the lens of the eye. They are common in older people, but can also be present at birth or caused by medications, disease, trauma, or radiation.

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4

Age-Related Macular Degeneration (AMD)

Macular degeneration is the most common form of vision loss in people age 50 or older. It occurs when the macula, an important part of the retina, becomes damaged.

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5

Strabismus

Strabismus is a disorder in which the eyes do not line up in the same direction. People with strabismus cannot look at the same object or place with both eyes at the same time. The condition is often referred to a...

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6

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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7

Stroke Overview

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

A stroke (a "brain attack") is a medical emergency in which part of the brain is deprived of oxygen. This occurs when an artery that supplies oxygenated blood to the brain becomes damaged and brain cells begin to die.

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8

Making Sense of Hypertensive Retinopathy

Hypertensive retinopathy is a condition in which high blood pressure causes vision problems by limiting the retina's function and increasing pressure on the optic nerve.

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9

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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10

Retinal Vascular Occlusion

Retinal vascular occlusion affects the eye, specifically the retina. An occlusion occurs when one of the veins or arteries carrying blood to or from the retina becomes blocked or contains a blood clot. The blockag...

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11

Optic Neuritis

Optic neuritis is a condition in which the optic nerve becomes inflamed and causes vision loss, usually in one eye. Vision can return after the inflammation goes away.

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12

Eye Emergencies

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

An eye emergency is when chemicals or a foreign object gets in the eye, or an injury affects the eye area. Emergencies require immediate medical attention to help prevent permanent vision damage.

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13

Vertebrobasilar Circulatory Disorders

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

Vertebrobasilar circulatory disorders are a group of diseases in which not enough blood is supplied to the back of the brain. Symptoms depend on the cause, but may include vision and sleep problems, dizziness, and more.

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14

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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15

Subarachnoid hemorrhage

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

This life-threatening hemorrhage involves bleeding between the brain and the tissues that cover it. If you experience an extreme headache, a popping sound in your head, seizures, and other symptoms, seek immediate help.

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16

Sarcoidosis

Sarcoidosis is an inflammatory disease that causes granulomas, which are clumps of immune cells, to form in different organs. A skin rash is one symptom of sarcoidosis of the skin.

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17

Tay-Sachs Disease

Tay-Sachs is a disease of the central nervous system; it is a neurodegenerative disorder. Tay-Sachs most commonly affects infants. In infants, it is a progressive disease that is unfortunately always fatal. Rarely...

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18

Basal Cell Nevus Syndrome

Basal cell nevus syndrome is a group of defects caused by a rare genetic condition that can cause tumors in the jaw.

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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.
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