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Doctor insights on: Visual Field

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What nonprocessive conditions lead to a visual field defect?

What nonprocessive conditions lead to a visual field defect?

Many: There are many conditions that cause visual field defects. ...Read more

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Can anyone tell me more about having visual field defects?

Visual Field Loss: Hooding of the upper lid (mostly upper outer areas) are caused by elasticity loss and drooping. Forehead sagging and the lid elasticity loss are common causes. Visual field analysis is done in eye doctor offices, using an enclosure with many small lights and patient acknowledges seeking them light up in a closed background. This determines % of vf loss. ...Read more

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Can you tell me about the visual field test?

Benign and painless: In this test you will sit looking at a dome on which lids are arrayed or a light is projected Your identification is by a signal button and the mapping of what you saw is produced as a clue to changes in glaucoma, or to the nervous system. ...Read more

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Pain to move left eye, blurry vision lower 1/2 visual field that eye only (is like a greasy film over bottom 1/2 of eye). Blood pressure perfect?

Pain to move left eye, blurry vision lower 1/2 visual field that eye only (is like a greasy film over bottom 1/2 of eye). Blood pressure perfect?

Optic neuritis: You need to see an ophthalmologist asap. The biggest concern in a woman your age would be optic neuritis. This would explain your symptoms best. You need a thorough exam by an ophthalmologist first the ophthalmologist may order an MRI or have you see a neurologist depending on the findings. ...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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In monitoring open angle glaucoma, if oct test results taken 1 yr. Apart are different, can it mean glaucoma isn't stable? No change in visual field.

In monitoring open angle glaucoma, if oct test results taken 1 yr. Apart are different, can it mean glaucoma isn't stable? No change in visual field.

Open angle glaucoma: By definition will diminish your retinal nerve fiber layer (rnfl) over time if not well controlled. Serial rnfl scans are highly sensitive and can detect small changes prior to a formal visual field test demonstrates changes. Questions if loss is occurring can be answered by looking at serial scans of the rnfl over time and looking for trends. So, yes, it may not be stable and requires follow up. ...Read more

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Have glaucoma w/thinning optic nerve. Dr says visual field normal & shading at very top of field could be eyelash or eyelid causing it. Possible?

Could be: It is very important to have a regular eye exam by your ophthalmologist. If your doc told you that is was normal then its. Some time if the person has a droopy excessive eyelid (dermatochalsis) it may cause an upper visual field defect. ...Read more

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What nonprocessive conditions lead to a visual field defect?

Many: There are many conditions that cause visual field defects. ...Read more

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I was wondering are black dots appearing in the visual field normal?

Not in my experience: You should see your doctor to evaluate. "mobile" black dots could be vitreous floaters, "stationary" dots are possible retinal or neuro issue. You do need an exam to evaluate. ...Read more

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I have visual trails (bursts of light that cross my visual field). Never happened before, please help?

I have visual trails (bursts of light that cross my visual field). Never happened before, please help?

Vitreous or migraine: The clear gel that fills eyeball is normally attached to the inside of the eye. As we get older it can become more liquid (watery) and detaches from the back of the retina causing flashes as it pulls on the retina. This is made worse when reading, looking side to side, basically with eye movement. Scintillations (flashes) occur with atypical migraine- with or without headache. ...Read more

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Can you tell me about the visual field test?

Benign and painless: In this test you will sit looking at a dome on which lids are arrayed or a light is projected Your identification is by a signal button and the mapping of what you saw is produced as a clue to changes in glaucoma, or to the nervous system. ...Read more

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What causes dark spots in your visual field?

What causes dark spots in your visual field?

Floaters: It depends on what condition you have. Most of the time this occurs as you age. The vitrous in your eye shrinks and can sometimes detach from the retina. If the back part of the vitrous falls into your line of sight you may see spots or even spider webs ...Read more

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How can the visual field change with glaucoma?

There are typical…: Patterns of glaucomatous visual field loss. The goal of treatment is to try to keep the visual field from getting worse. Typically the defects start out in the periphery, either nasal (near the nose) or temporal (near the temple). Arcing type patterns are common. Sometimes the central vision is affected in the early stages, however it is typical for the central vision to change as a late finding. ...Read more

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What are these colorful spots in the visual field?

Entoptic: Entoptic events are the result of internal factors causing the sensation that there is an object or image. Examples are phosphenes or flashes that occur when the vitreous is pulled on. Colorful dots are sometimes seen in the visual field against a hazy background. These can occur because stimuli other than photons can trigger the photoreceptor cells or other cells en route to the optic nerve. ...Read more

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Are visual field defects always justification for bleph?

Are visual field defects always justification for bleph?

No: Many insurance companies are not covering for only loss of visual field. (medicare requires loss of levator muscle (true ptosis) or not pay. There are many degrees of vf loss, some will cover upper lid surgery when vf loss is >30% measured by vf analysis. Insurance co are following medicare lead and are denying except for muscle functional loss. ...Read more

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Can anyone tell me more about having visual field defects?

Visual Field Loss: Hooding of the upper lid (mostly upper outer areas) are caused by elasticity loss and drooping. Forehead sagging and the lid elasticity loss are common causes. Visual field analysis is done in eye doctor offices, using an enclosure with many small lights and patient acknowledges seeking them light up in a closed background. This determines % of vf loss. ...Read more

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What is the definition or description of: Visual field defects?

Visual field loss: Certain conditions, i.e. glaucoma, cause loss of retinal sensitivity to portions of the peripheral vision. Macular disease affects central focusing vision. Visual field defects are usually monitored with an automated machine that measures a person's ability to see tiny spots of light in the peripheral and central vision. What we measure when a person reads a vision chart is central vision. ...Read more

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Ideas? What nonprocessive conditions cause a visual field defect?

CNS problems: Many strokes will cause a visual field defect which is stable and non-progressive although the initial loss can be devastating. Trauma to the optic nerve or the visual pathways can also do this. Most other lesions that register as a field defect are commonly progressive unless treatment is given. ...Read more

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Visual field test 2 mos. Apart w/fixation loss of 6/12 in 1st test & 3/14 in 2nd test. 1st test showed more damage than 2nd. Which test is most right?

The second: Less fixation losses on the second test means you were focusing on the fixation target more times than on the first test. Therefore, the second is the most accurate test. ...Read more

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Are visual field defects present in glaucoma?

Are visual field defects present in glaucoma?

Yes: By definition, glaucoma is a group of diseases which causes characteristic optic nerve damage with corresponding visual field defects. These defects are not always symptomatic to the patient and may only be detectable through special testing. ...Read more

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Is visual field and peripheral field the same thing?

Is visual field and peripheral field the same thing?

Almost: Visual field refers to the patterning of the reception of the entire retina. As a subset, the peripheral field refers to the outer portion of the full visual field. So they refer to something the same but visual field is more comprehensive. ...Read more

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If our pupils did get very small, would this limit our visual field?

If our pupils did get very small, would this limit our visual field?

Minor issue: The pupils would have to get smaller than about 1.5 mm which is very rare. At that size or less, there would be diffractive changes which might cause some disturbance in the field of vision. But the usual smallest pupil is about 2 mm and this would not change the field. ...Read more

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How often should you have a visual field test when you have glaucoma?

How often should you have a visual field test when you have glaucoma?

Visual field test: In stable glaucoma, normally done once a year to verify that no change for the worse is occurring. If so, treatment will be intensified. If your glaucoma is unstable, or a change in the optic nerve is noted, a visual field is done at that time even if already done that year. Visual fields are measured besides the optic nerve cup/disc ratio, intraocular pressure, and nerve fiber layer. ...Read more

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Can you tell me: are visual field defects always present in glaucoma?

Frequently: Changes in the field of vision are one of the hallmarks of the diagnosis of glaucoma. The aim of treatment is to prevent this from happening and also to prevent it when present from progressing. Some cases are detected early when other changes hint strongly that glaucoma could be a problem, and so field defects might not have occurred yet in such cases. ...Read more

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What is the best treatment for a distortion in some part of visual field?

Visual field problem: "distortion" in the visual field is an unusual description. Usually distortion is described in the central or near central vision where straight lines appear crooked or bent. This virtually always indicates a retinal condition and should be evaluated asap. In the peripheral vision, problems are usually described as a vision loss or blind spot. This too should be checked. Possibly visual migraine. ...Read more