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   What is a visual field test?

   • 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.

   Visual Field Test: What It Is and What the Results Mean - Verywell Health

   www.verywellhealth.com/understanding-your-visual-field-test-3421843

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   How do you evaluate visual field results?

   • Evaluating visual field results from any perimeter can be confusing and daunting at times, especially when attempting to cohesively link all the data together. Good interpretation skills start with a methodical assessment of several key plots, graphs and indices.

   Sharpen Your Visual Field Interpretation Skills - Review of Optometry

   www.reviewofoptometry.com/article/sharpen-your-visual-field-interpretation-skills

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   What is a normal visual field test?

   • A normal visual field measures about: One eye is tested at a time. This is because the visual fields of the eyes overlap. Visual pathways carry information from the eye to the visual part of the brain. There, the information is processed into vision. A visual field test measures how well you can see above, below, and on either side of you.

   Visual Field Test: What It Is and What the Results Mean - Verywell Health

   www.verywellhealth.com/understanding-your-visual-field-test-3421843

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   How do you interpret a Goldmann visual field?

   • The key to interpreting Goldmann visual fields is to keep in mind the normal hill of vision (figure 1) and how it compares with the patient's results. The skill is in identifying patterns and observing any change with repeated tests. This may require experience to be adept, though the following checklist may help (figure 3):

   How to interpret visual fields - Practical Neurology

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   Why is visual field testing important?

   • Visual field testing is an important diagnostic consideration in the evaluation of patients with many different types of pathologies. Most commonly, it is used for conditions affecting the optic nerve and other forms of neurological disease; but it’s also helpful for retinal conditions and instances when visual field function needs to be measured.

   Sharpen Your Visual Field Interpretation Skills - Review of Optometry

   www.reviewofoptometry.com/article/sharpen-your-visual-field-interpretation-skills

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   What happens if a visual field test is not normal?

   • If your visual field test is not normal, you may need additional follow-up testing, as well as treatment. 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.

   Visual Field Test: What It Is and What the Results Mean - Verywell Health

   www.verywellhealth.com/understanding-your-visual-field-test-3421843

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2. eyeguru.org › essentials › visual-fieldsHow to interpret visual fields: 5 most common patterns

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   Look at the pattern. Look at the GHT, mean deviation, VFI, and pattern standard deviation. Compare to the previous visual fields. The visual field test is among the most important tests to learn to interpret as you begin your career in ophthalmology. Learn about the top 5 most common fields!

3. www.verywellhealth.com › understanding-your-visualVisual Field Test: What It Is and What the Results Mean

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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).

4. www.reviewofoptometry.com › article › sharpen-yourSharpen Your Visual Field Interpretation Skills

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   • Author: Michael Chaglasian, OD

   • The top of the VF printout page contains key information about patient demographics and the type of test that was performed. Always review this portion for accuracy.
   • Confirming the validity of the VF is the second step. Fixation losses, false positives and false negatives are recorded—with false positives often being the most critical.
   • In this classic example, the patient has moderate to advanced stage glaucoma. The large inferior defect is clearly depicted and appears similar on both the total and pattern deviation plots.
   • This patient has a mild cataract and glaucoma. The generalized depression from the cataract is evident on the TD plot (lower left). The localized defect—a superior nasal step with an arcuate component—caused by the glaucoma is seen on the PD plot.

5. Videos

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     RS Visual Fields Part 2 Interpreting The Test Results

     29 Mar 2021

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     Visual Field: Practical Guide to Interpretation by Dr. Hannah de Guzman

     13 May 2015

     43K views

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     RS Visual Fields Part 1 - Performing The Tests

     29 Mar 2021

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6. www.reviewofophthalmology.com › article › back-toBack to Basics: Visual Field Interpretation

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   Feb 10, 2024 · 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. “When patients are diagnosed with glaucoma, they either have no functional deficits and a normal visual field, or they have some deficits.

7. pn.bmj.com › content › 15/5/374How to interpret visual fields - Practical Neurology

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   Interpreting the Goldmann field test. The key to interpreting Goldmann visual fields is to keep in mind the normal hill of vision (figure 1) and how it compares with the patient's results. The skill is in identifying patterns and observing any change with repeated tests.

   • Author: Sui H Wong, Gordon T Plant

   • Publish Year: 2015

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8. my.clevelandclinic.org › health › diagnosticsVisual Field Test: What It Is & How To Prepare - Cleveland Clinic

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   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.

9. www.aao.org › demystifying-the-visual-fieldDemystifying the Visual Field - American Academy of Ophthalmology

   www.aao.org › demystifying-the-visual-field

   Jun 15, 2020 · The EyeRounds article “Visual Field Testing: From One Medical Student to Another” has a helpful diagram and explanation of reliability indices, deviation maps and summary outputs. Always interpret VFs systematically to avoid oversight of clinical importance.