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For eye care professionals

How to Effectively Test a Patient's Visual Fields

27 September 2019

Visual field testing is an important part of any eye examination, as it can help to determine your patients’ peripheral vision capabilities.
Visual field testing is an important part of any eye examination, as it can help to determine your patients’ peripheral vision capabilities. Many eye conditions or other health problems can have an impact on peripheral vision; sometimes without the patient noticing.
When it comes to testing visual fields effectively, it’s crucial that your instruments are reliable and precise. Anything less can produce inaccurate test results and hinder your ability to help your patient. By using an up-to-date perimeter instrument, you can detect visual field abnormalities or defects, and assess the full horizontal and vertical range of a patient’s vision.
Most perimetry tests are now automated, making the process much more effective for both yourself and the patient. For this reason, it’s key that your perimeter has all the cutting-edge features needed for a modern optometrist. Having a perimeter that delivers precision and accuracy is a must.

Cutting-edge perimeters from Essilor

The Optopol PTS925W is an advanced perimeter that offers impressive design and software capabilities, packaged in a compact size for any practice. Having the Optopol perimeter in your practice provides you with a field testing instrument for a reliable and efficient testing process.
The Optopol instrument has a number of features that can improve your eye examination services. This includes automated eye tracking, which can analyse pupil movement for increased reliability of test results. What’s more, the machine offers blink control whereby the test is put on hold to ensure normal blinking does not affect visual performance or the results.
Testing using the Optopol perimeter can be completed in as little as 1 and a half minutes per eye, providing a high level of efficiency for your practice as well as for patient comfort and experience.

Detecting and diagnosing health issues with perimeters

Many patients may not fully understand the advantages of undergoing a perimeter test. Most patients will simply take the test at face value; checking their peripheral vision. Through using advanced instruments like the Optopol perimeter, you can highlight to your patients the importance of eye examinations and how it could benefit them on a wider scale.
Perimeters can help to diagnose conditions including glaucoma, tumour or a stroke. What’s more, patients with diabetes or high blood pressure have a greater risk of developing blocked blood vessels around the eyes. Visual field testing with a perimeter can help to monitor the effects of these conditions on visual capacities.
The greater the accuracy of your optical instruments, the more precise results and treatment you can provide your patients. Find out more today with Essilor Instruments.

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