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- The visual field test shows the amount of vision loss and the affected areas. The instrument prints the results as patterns of dots or numbers. The patterns tell your provider how well your eyes and visual field system work. This helps your provider diagnose an underlying health condition and what treatment you need.
my.clevelandclinic.org/health/diagnostics/14420-visual-field-testVisual Field Test: What It Is & How To Prepare - Cleveland Clinic
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3 days ago · A visual field test is an eye exam that checks for blind spots in your line of vision, It can help determine the cause of vision problems, including glaucoma.
A visual field test (sometimes called perimetry) checks for missing areas of vision. You may be shown a sequence of light spots and asked to press a button to indicate which ones you can see. Some dots will appear at the edges of your vision (your peripheral vision), which is often the first area to be affected by glaucoma.
- Nonspecific / low Reliability / inattention / patient hungry. For every interpretable, reliable visual field you get, you will also get another in which the patient thinks he should be scanning the dome for lights the whole time, is poorly positioned, is exhausted from waiting in your clinic for hours, or is too elderly and arthritic to push the button in time.
- Superior / inferior arcuate defect. The most common early to mid stage glaucomatous field. The reason these look like arcs and come off the blind spot is that they represent the loss of bundles of nerves as they come out of the optic nerve head.
- Blind spot enlargement. This can be seen in glaucoma, but also can occur with papilledema and optic nerve head swelling. This would likely be seen in patients with idiopathic intracranial hypertension (aka pseudotumor cerebri).
- Severe constriction with a central island. Unfortunately, this is end stage glaucoma. At this point, many patients still have great central vision of 20/20 to 20/50, but peripheral vision is nearly gone.
Apr 4, 2023 · What do the results of the visual field test mean? A “normal” visual field test means that you can see about as well as people without vision issues. The visual field test shows the amount of vision loss and the affected areas.
A visual field test measures an individual's entire scope of vision, that is their central and peripheral (side) vision. Visual field testing maps the visual fields of each eye individually and can detect blind spots (scotomas) and more subtle areas of dim vision.
Apr 19, 2024 · Learn all about visual field testing, a diagnostic procedure used to assess the extent and quality of your peripheral vision. Discover how it works, why it is important, and what to expect during the test. Find out how visual field testing can help detect and monitor conditions such as glaucoma, macular degeneration, and optic nerve damage.
Mar 10, 2022 · A visual field test can determine if you have blind spots (called scotoma) in your vision and where they are. A scotoma’s size and shape can show how eye disease or a brain disorder is affecting your vision.
