Blindness, Blurred vision: 18 Possible Causes
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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 is an injury to your brain, skull, or scalp. All head injuries should be treated seriously and assessed by a doctor.

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2

Glaucoma

Glaucoma is an eye condition that damages your optic nerve. Learn what causes it.

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3

Cataract

A cataract is a dense, cloudy area that forms in the lens of the eye. It develops slowly and eventually interferes with your vision.

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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.

Retinal detachment occurs when the retina separates from the back of the eye. This is a medical emergency that causes total or partial loss of vision.

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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

High blood pressure can damage the retina's blood vessels and limit the retina's function. It can also put 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 occurs when one of the vessels carrying blood to or from your retina becomes blocked or contains a blood clot.

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11

Optic Neuritis

The optic nerve carries visual information from your eye to your brain. Optic neuritis (ON) is when your optic nerve becomes inflamed, causing vision loss.

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12

Eye Emergencies

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

If you have an injured eye or a foreign object in your eye, you'll likely need to seek medical attention right away. Here's what to look out for in eye emergencies.

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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. Read about the symptoms.

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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.

Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between your brain and the tissues that cover it.

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16

Sarcoidosis

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

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17

Tay-Sachs Disease

Tay-Sachs disease is a neurodegenerative disorder most commonly found in infants. Learn more about this rare disease.

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18

Basal Cell Nevus Syndrome

Basal cell nevus syndrome is a group of defects caused by a rare genetic condition. Learn about the symptoms and treatments for basal cell nevus syndrome.

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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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