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Doctor insights on: Recurring Tunnel Vision

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What is tunnel vision?

What is tunnel vision?

Loss of peripheral: In tunnel vision, the peripheral portions of the retina lose their sensitivity and only the central portion remains (a tunnel straight ahead). Most often found in inherited degenerations like retinitis pigmentosa, some drugs can do this as well as rare retiinal infections. Advanced tunnel vision is very handicapping as victims cannot see their feet, or objects in view. ...Read more

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Dr. Richard Bensinger
1,666 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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How can you cure tunnel vision?

How can you cure tunnel vision?

Unlikely: Most tunnel vision if persistent, is due to inherited or acquired photoreceptor damage or loss and is permanent. There is currently no known cure, so you will have to adapt with low vision training and assistance. You should start with your ophthalmologist who can refer you to proper resources in your community. ...Read more

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What is tunnel vision and how bad is it?

What is tunnel vision and how bad is it?

Restricted field: Tunnel vision is when the vision outside the central axis is impaired or lost. It is typical for some inherited conditions and occurs in advanced diseases like glaucoma and diabetes. It is quite handicapping even if the central vision is fine and if less than about 10 degrees may require a seeing eye dog. ...Read more

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What causes tunnel vision and blurry areas?

Glaucoma: Glaucoma affects the peripheral vision and patients with a very advance glaucoma have what we call" tunnel vision". Glaucoma is a silent disease and without proper screening can advance and affect your vision. Comprehensive eye exams will help detect it. ...Read more

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How to know if I have tunnel vision or not?

Test yourself: Tunnel vision amounts to being only to see things ahead of yourself as if you are looking through the central core of, for instance, a paper towel roll. You can easily compare your side vision to that of a friend who presumably has normal vision. If you have tunnel vision, it is probably from some pathology of the eyes and you need an ophthalmologist to make a diagnosis. ...Read more

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Why do I have tunnel vision from getting up?

Blood flow: If you are flat and then get up, it could be from sudden blood flow leaving the head due to gravity. Dehydration, blood pressure, and some medications can cause it. ...Read more

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How do I know if I have tunnel vision or not?

Check vision: Tunnel vision is a condition in which the peripheral vision is constricted and only the central portion remains. It occurs in some inherited diseases and some vascular events. You can check yourself by moving a light in from the peripheral. It should be seen partially behind the ears, but if you can see it only when the light is almost in front of you, then it might be tunneling. ...Read more

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Do people pass out when they get tunnel vision?

Unlikely: Tunnel vision is most common after inherited retinal degenerations. It can occur in advanced ocular disease like glaucoma. In these cases it is gradual and fainting is not associated. If tunneling is acute due to vascular insult like embolic passage, then fainting is possible if the tunnel vision is accompanied by emboli in the brain or if it is due to loss of blood pressure causing fainting. ...Read more

Dr. John Gillespie
73 doctors shared insights

Tunnel Vision (Definition)

Tunnel vision is where a person's visual field becomes narrowed so that he is only able to see the central part of the visual field (as though ...Read more