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Doctor insights on: Online Peripheral Vision Test

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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

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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I have 20/30 vision looking straight at the chart. But how do I test the sharpness of my peripheral vision?

I have 20/30 vision looking straight at the chart. But how do I test the sharpness of my peripheral vision?

Its not: By nature of the way your rods and cones are arranged, your peripheral vision is not sharp (not as many cones in the periphery). We do have visual field tests to test the peripheral vision, but not for its sharpness... ...Read more

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How accurate are DMV peripheral vision tests when you have glaucoma. Could test show more loss than what there really is.

How accurate are DMV peripheral vision tests when you have glaucoma. Could test show more loss than what there really is.

Meets standards: DMV tests are not designed to detect or monitor disease. They have a standard peripheral signal that you need to detect to determine the width of peripheral vision only. If your glaucoma has not progressed to the point of affecting peripheral vision, then you should be able to easily pass that test. ...Read more

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How do you know if peripheral vision loss is minor. Field test says normal but there are some gray shaded areas around part of the periphery.

How do you know if peripheral vision loss is minor. Field test says normal but there are some gray shaded areas around part of the periphery.

Depends.: This depends on many factors. The size of the visual field test, how wide an area was it measuring. It also depends on how stable the change is- is it new or has it been like this for many years. Also how severe the changes are- the sensitivity is expressed in "decibels". Small changes are ok unless they exceed what you would expect for that sight tested based on past tests. Talk to your md. ...Read more

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I took hydroxychloroquine and got vision field test. I have gray spots in my peripheral vision. What does that mean? Are they permanent? Are there any fixes for it?

I took hydroxychloroquine and got vision field test. I have gray spots in my peripheral vision. What does that mean? Are they permanent? Are there any fixes for it?

Caught early--No: Hydroxychloroquine can have ocular side effect ranging from blurred vision to distorted color perception. Side effects are usually dose and time related. Peripheral defects on a central 10-2 visual with a red target light are usually reversible. 10-2 defects with a white fixation light are of more concern. Often pigment changes can be seen in your retina ask your dr. What changes you have. ...Read more

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Stable Glaucoma. Recently thought could be peripheral vision Ioss driving. 3 recent field tests show no change. Dr.has no explaination. Am I paranoid?

Stable Glaucoma. Recently thought could be peripheral vision Ioss driving. 3 recent field tests show no change. Dr.has no explaination. Am I paranoid?

Not paranoid: All with eye disease worry about losing sight. While most glaucoma can be managed with little or no loss, some do go out of control. Your ophthalmologist (you are not seeing an optometrist for this I hope?) did three fields with no loss. This is strong evidence of good control and you are on a good medication (Cosopt). Stick with this and express your fears to your doctor on next visit. ...Read more

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What is the difference between a peripheral vision test where you detect motion (finger snap) and one where you detect color (tell me when you see red)?

What is the difference between a peripheral vision test where you detect motion (finger snap) and one where you detect color (tell me when you see red)?

Not much: All gross peripheral vision tests like you describe can find large defects but cannot detect small ones. The red detection might be slightly more sensitive than the other.

If there is a question, a formal visual field test with a machine should be performed. ...Read more

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On average what percentage of optic nerve damage must there be in order to show a loss of peripheral vision on a field test?

On average what percentage of optic nerve damage must there be in order to show a loss of peripheral vision on a field test?

Very sensitive: Formal visual field testing can pick up very small defects due to optic nerve damage. The test can be affectedy your ability to stay focused however. ...Read more

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Visual field test result normal - 3/14 fixation error. Some peripheral vision loss not in field of vision. Why does test result say normal?

Visual field test result normal - 3/14 fixation error. Some peripheral vision loss not in field of vision. Why does test result say normal?

It is: The fixation losses are related to the reliability of the test. Some peripheral shading is within normal limits on the test. ...Read more

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Glaucoma rt. Eye. Humphrey field test full within normal limits. DMV peripheral vision test 50 deg left & 70 deg right. Dr says DMV test wrong. Possible?

Glaucoma rt. Eye. Humphrey field test full within normal limits. DMV peripheral vision test 50 deg left & 70 deg right. Dr says DMV test wrong. Possible?

Depends: Most Humphrey testing is 30-50 degrees from the center simply because ones that measure farther out take too long a time and most glaucoma changes start in the center. The DMV tests check a couple of horizontal points about 60 degrees and 130 degrees out. So it depends upon which testing you went through. Hopefully, with a glaucoma diagnosis, you are seeing a real doctor - an ophthalmologist. ...Read more

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Can a large eye floater affect peripheral vision in a visual field test.

Can a large eye floater affect peripheral vision in a visual field test.

Yes: Visual field testing will occasionally pickup small areas of visual field depressions if the floater is particularly large and thick, as some patients may have. Since they move, a repeat visual field should also show the depression to have moved. I would not however expect a large visual field abnormality from a floater and certainly l recommend an exam to rule out any problems by an eye md. ...Read more

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I had the test for cushings and it came back negative. But I am still having double vision, peripheral vision loss head aches, what should I do?

I had the test for cushings and it came back negative. But I am still having double vision, peripheral vision loss head aches, what should I do?

Ask your primary: Care doctor about referral to a neurologist & an ophthalmologist, an M.D. eye doctor, for further evaluation of your unexplained symptoms. ...Read more

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Two eye drs. Looking at visual field test result. One dr says it is normal & other says there's peripheral vision loss. Why the difference of opinion?

Two eye drs. Looking at visual field test result. One dr says it is normal & other says there's peripheral vision loss. Why the difference of opinion?

Interpretation: Interpretation of visual field change is somewhat subjective. As many as 5 cosequetive visual fields are necessary to show change over time. Peripheral changes can have a lot of "noise" in deciding whether or not it is real defect or not. Repetition of field testing and confirmation of defect over time is more accurate. Even then, there are many factors that can interfere in vf assessment. ...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 possibly 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 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 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

Dr. Richard Bensinger
1,726 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