The visual field is the entire area that can be seen when the eyes are focused on a single point. This is also known as the field of vision. This includes what can be seen above, below, and to either side of the point of focus. Typically, vision is in clearest focus in the middle of the visual field.
A visual field test is often a component of a routine eye exam. This test helps your doctor to determine not only where your side vision (peripheral vision) begins and ends, but also how well you can see in your peripheral vision.
It can be performed in a few different ways, though the most common method performed during your comprehensive eye exam is the confrontational visual field exam. Your Winnipeg eye doctor will sit or stand 3 to 4 feet in front of you and have you cover one eye with an occluder (which looks like a large spoon). You will be instructed to look straight ahead as they move their hand in and out of your visual field. You will then be asked to indicate when you can see the doctor’s hand. This procedure is then repeated for the other eye. This type of visual field test is used as a screening test to help your doctor decide whether or not further testing is needed.
Problems with the visual field could be due to a number of causes. Your Winnipeg eye doctor will use the results of your tests to diagnose such conditions as:
Further eye tests from one of our Winnipeg eye care clinics may be needed to diagnose a problem.
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