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Doctor insights on: How To Block Peripheral Vision

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Are there glasses for programmers to block peripheral vision?

Are there glasses for programmers to block peripheral vision?

Maybe so: Computer programmers have needs that are different from other computer users. Age and need for glasses also play important roles. The stronger the prescription need, the more peripheral distortion exists. There are several glasses that come either with "blinders" or wrap-around lenses. Your optometrist or optician can likely build or modify a pair of glasses to accomplish your goal. ...Read more

Peripheral Vision (Definition)

When you look at someone's face, you can still see their hand, even though you are not looking directly at it. When you are walking through a doorway, you are not looking at the sides, or looking directly at the threshold, but you see it through your peripheral vision. Anything outside of your direct focus spot, is considered peripheral. Which can be measured ...Read more


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How can I do peripheral vision?

How can I do peripheral vision?

Automatic: Peripheral vision which is the perception of visual input by the outer reaches of your retina is an automatic function as long as the eyes are open. Peripheral vision is especially sensitive to moving objects which we need to prevent hazards in our life space. ...Read more

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Why do we have peripheral vision?

Why do we have peripheral vision?

Early warning: Central vision is for fine detail — reading, face recognition, etc. Peripheral vision, of low acuity, is sensitive to motion and serves to provide early warning of threats from the sides and also provides orientation to the major features of the visual space. With no peripheral vision (called tunnel vision) you cannot drive, or easily walk around, etc. ...Read more

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Causes of loss of peripheral vision?

Causes of loss of peripheral vision?

Retina-optic nerve: Peripheral vision loss may be a retinal detachment, retinitis pigmentosa, rare drug toxicities, immune retinopathy, retinal infection, and glaucomatous optic neuropathy. In the brain migraine, and certain types of stroke can cause a loss of peripheral vision. Transient obscurations of vision may be low blood pressure. An eye examination with dilation should identify the cause. ...Read more

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What is distorted peripheral vision?

Migraine??: The big issue is whether it is a transient or permanent problem. Regardless, a full exam with visual field testing should help you sort out the possible cause. Migraine is most common transient type. In elderly patients you also have to assess for insufficient ocular blood flow (amarosis). ...Read more

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What causes loss of peripheral vision?

What causes loss of peripheral vision?

Many possibilities: Many things can cause loss of peripheral (side) vision: glaucoma is the most likely. Ocular pressure rise causes vascular and optic nerve damage. Another is a tumor or aneurysm near the pituitary gland, compressing the nerves from the eye as they first join and then re-divide on the way to the back of the brain. Oculo-vascular occlusions can do the same although most often this is only in one eye. ...Read more

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What is loss of peripheral vision mean?

Many possible causes: Loss of peripheral vision can occur with ocular or brain disease. There are many diseases that can take away peripheral vision. ...Read more

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Is peripheral vision supposed to be blurry?

Is peripheral vision supposed to be blurry?

Yes: Central vision with the best eyeglass correction is clear. Peripheral vision is always less well focused and cannot be clear. So it is allways blurry. ...Read more

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What causes my peripheral vision to be "shaky"?

What causes my peripheral vision to be "shaky"?

Possibly Migraine: This is a somewhat unusual symptom, but sounds like it could be from ocular migraine. No headache or pain is required for that diagnosis. You should have a thorough exam by an ophthalmologist, probably including a visual field exam, to help determine the cause and to rule out certain neurological causes. Depending on the testing results, neuroimaging with a ct scan or MRI may be required. ...Read more

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Sudden loss of peripheral vision-- please help!?

Seek help: Vision may be lost peripherally from disasters within the eye such as retinal detachment or vascular occlusion; or from strokes in the brain in the occipital lobe or the pituitary region; or from systemic vascular collapse, drug toxicity or poisoning. You need to immediately see an ophthalmologist for this as some of these are extremely urgent and can affect both eyes. ...Read more

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How does your age affect your peripheral vision?

How does your age affect your peripheral vision?

Minor degree: There is a minor lowering of the extent of peripheral vision in older folks. The more important change is a measurable drop in reaction time which affects their ability to respond to visual input and makes driving more hazardous. ...Read more

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What does it mean if you fail a peripheral vision test?

What does it mean if you fail a peripheral vision test?

You can't: This test is not one you can pass or fail. It is a measurement of what you can see in the peripheral vision. It can be normal or abnormal. ...Read more

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What do flashing lights in your peripheral vision mean?

Migraine: The most likely cause for this symptoms is occipital migraine which causes a greying out of the vision the corresponding peripheral 1/2 of vision of each eye with surrounding flashing lights lasting up to 2 hours and leaving with no trace. Persistent flashing in one eye only especially with lowered vision and floaters might be a retinal detachment and needs ophthalmological evaluation soon. ...Read more

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What are the causes of temporary loss peripheral vision?

Many: Most commonly is migraine, with or without the headache. Other causes are transient strokes to the brain, sudden drops in blood pressure to name but a few. See your eye md. ...Read more

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What causes a streak of light in your peripheral vision?

Shaking of retina: The retina only has nerves of vision and if something shakes it, you will notice a light streak. This can happen occasionally spontaneously. And also in relationship to the aging of the vitreous within the eye. If the light streaks happen one after another even with the eyes shut, then you should have an evaluation to rule out more serious conditions. ...Read more

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What might cause temporary blurriness in peripheral vision?

What might cause temporary blurriness in peripheral vision?

Many things!: Changes in vision, blurriness, blind spots, halos around lights, or dimness of vision should always be evaluated by a medical professional. Such changes may represent an eye disease, aging, eye injury, or a condition like diabetes that affects many organs in your body. Other potential causes of vision problems include fatigue, overexposure to the outdoors and certain medications. ...Read more

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What is the definition or description of: peripheral vision?

What is the definition or description of: peripheral vision?

Side Vision: When you look at someone's face, you can still see their hand, even though you are not looking directly at it. When you are walking through a doorway, you are not looking at the sides, or looking directly at the threshold, but you see it through your peripheral vision. Anything outside of your direct focus spot, is considered peripheral. Which can be measured by "visual field examination". ...Read more

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Can vertical or horizontal prisms be used for peripheral vision?

No: While prisms can shift the image and give a little more peripheral exposure in one direction, it will do this by sacrificing the peripheral extent in the opposite direction by the same amount. Not useful. ...Read more

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What does it mean if light appears brighter in my peripheral vision?

Many things: This could be traction on the retina from a vitreous detachment with traction, atypical migraine symptoms and in rare cases flashes associated with abnormal proteins in the blood. Got your eyemd for an exam. ...Read more

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I was wondering what do I do about sudden loss in peripheral vision?

Get an examination: A sudden loss of peripheral vision needs to be examined as soon as possible with an ophthalmologist. There is nothing you can do until you have an answer for the cause. Do this right away. ...Read more

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I sometimes see bright lights in my peripheral vision. What does it mean?

I sometimes see bright lights in my peripheral vision.  What does it mean?

Flashing lights: Some flashing lights are caused by a retinal tear or hole. You should consider seeing a local ophthalmologist if the flashing continues, since not all flashes are benign. Retinal tears can lead to retinal detachments, which can cause blindness. ...Read more

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I'm wondering are vertical or horizontal prisms used for peripheral vision?

No: Prisms are used to shift the overall visual image to correct doubling of vision when the eyes are out of alignment. They cannot give improved peripheral vision. ...Read more

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Why does my peripheral vision just shut off when it's really bright outside?

Why does my peripheral vision just shut off when it's really bright outside?

Pupil constriction : Possibly your pupils really construct and so it seems like your peripheral vision decreases. ...Read more

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Why is there blurriness in the peripheral vision with contacts when I wear them?

Why is there blurriness in the peripheral vision with contacts when I wear them?

CL optical zone: It could be that your pupils are larger than the optical zone of the contact lenses. You should check this out with eye care provider. ...Read more

Dr. Richard Bensinger
1,734 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