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3 days ago · A visual field test is part of a comprehensive eye exam and part of a neurological examination. This non-invasive test examines your fields of vision, and it is important for identifying vision problems that could be signs of eye disease or conditions that affect the brain (like a stroke).
- 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.
Visual field test. 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.
Feb 10, 2024 · The test is operator- and patient-dependent, and the results shouldn’t be considered in isolation, physicians say. Here, glaucoma experts review the strengths and weaknesses of visual field testing, as well as provide their tips on interpreting patients’ fields. Visual Fields: An Overview
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. The instrument prints the results as patterns of dots or numbers.
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.
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Jul 14, 2021 · Patients may also be given an interactive test, called a Visual Fields test to detect vision loss due to glaucoma. During this test, patients look straight ahead, and indicate when they see a spot of light appear in their visual field.
