Simply put, a visual field test is a test that allows our Optometrist to measure your vision acuity in your visual field (your entire field of vision, including your peripheral vision).
A visual field test measures:
Our Optometrist will use some simple measurement equipment and lights to stimulate your eyes. The Optometrist will provide you specific instructions on where to look throughout the testing process.
During a visual field test, two basic procedures are followed:
Due to the nature of a visual field test, trying to “do well” obfuscates information and actually makes the test less reliable.
The key to accuracy is carefully following directions provided by the Optometrist and being honest with your responses. The purpose of the test is to determine where in your visual field vision degradation or loss may be occurring. Accuracy is contingent on a properly performed test.
In fact, a visual field test is one of the staples in the Optometrists cookbook because its relative simplicity means that it can be performed with the aid of complex equipment or invasive procedures.