Visual field tests are critical diagnostics tools in the field of optometry, allowing optometrists and ophthalmologists to evaluate the full scope of a patient’s vision, identify any blind spots or peripheral vision issues, and assess the progression or presence of eye diseases. Let’s go into further detail about this practice to see how it might benefit you or a loved one.
Understanding Visual Field Testing
The visual field test, also known as perimetry, measures how well you can see in all areas of your vision, including peripheral vision. This test is paramount for detecting blind spots (scotomas), which could be an indication of eye diseases. It also aids in monitoring the progression of diseases, ensuring that any necessary adjustments to the treatment plan can be made in a timely manner.
Types of Visual Field Tests
Several types of visual field tests are available, each serving different purposes:
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Confrontation Visual Field Test – This simple, preliminary test involves the examiner moving their hand in and out of the patient’s peripheral vision to detect noticeable vision loss.
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Automated Perimetry – Patients look into a machine and press a button when they see light flashes. This creates a detailed map of the visual field, highlighting any areas of vision loss.
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Kinetic Visual Field Test – This is similar to automated perimetry but uses moving targets to map the patient’s visual field.
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Frequency Doubling Perimetry – This utilizes a flickering visual pattern to detect specific types of vision loss.
These tests are critical for diagnosing and managing conditions affecting peripheral vision, which can significantly impact one’s quality of life, including the ability to drive safely.
Preparing for a Visual Field Test
Preparation for a visual field test is straightforward. There’s no need for patients to undertake any specific steps before the test. It’s a painless, non-invasive procedure that typically takes just a few minutes but brings a wealth of information about your visual health.
Interested in taking a visual field test? Visit Alderwood Optical & Canyon Park Vision Clinic today. Our experts can help you find the best solution for your eye care needs. Call us at (425) 771-8472 (Lynnwood) or (425) 485-0430 (Bothell) to schedule an appointment. You can also reach us via our contact page.