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Three questions: Does this chart tell me the actual degree of blindness in the visual field? The visual field efficiency score? What does a 1% VFI percentage mean?
May 31, 2015 · 3. The blind spot indicates the location of the optic nerve head—an area with no photoreceptors—in the temporal part of the visual field. 4. Anything obstructing the travel of light towards the retina may affect the field tests, for example, lens opacity (cataract), ptosis (if not taped away from the pupil) or the rim of a correcting lens ...
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- Sui H Wong, Gordon T Plant
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- 2015
May 7, 2020 · This guide provides a step-by-step approach to assessing a patient’s blind spot. It also includes a video demonstration. Download the blind spot assessment PDF checklist, or use our interactive checklist. You may also be interested in our complete guide to the examination of the eyes and assessment of vision.
- Dr Lewis Potter
Feb 10, 2024 · Understanding the Visual Field. In addition to following progression, visual field tests can be used to stage the severity of glaucoma. “The ICD-10 coding classification has a well-described way to stage glaucoma based on the visual field.
Oct 31, 2023 · A visual field test can help diagnose scotomas, or blind spots. It can also help identify loss of peripheral or side vision. Loss of side vision is an indicator of glaucoma, a disease that can lead to blindness. This article describes what to expect during a visual field test, why it's done, and what the results mean.
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What does a blind spot indicate?
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What happens if you lose side vision during a visual field test?
Jun 3, 2021 · It is not sensitive for retinal or neurological field loss. “Outside Normal Limits” or “Borderline” results indicate field loss that resembles glaucomatous defects. For clinicians who only occasionally interpret visual field tests, the GHT is the best marker to determine if a defect appears suspicious for glaucoma.