What does it mean to be borderline glaucoma?
For mild or borderline glaucoma—meaning an optic nerve that looks somewhat suspicious but still functions—your doctor may want to monitor you indefinitely, until the condition changes or worsens, and then begin treatment. Doctors use the term “glaucoma suspect” to describe people with borderline findings.
Can a visual field test detect glaucoma?
A visual field test is performed at the initial visit or as soon as glaucoma is suspected. It evaluates vision loss due to glaucoma, damage to the visual pathways of the brain, and other optic nerve diseases. When glaucoma is diagnosed the visual field data is used to determine the severity of disease.
How do you fail a field vision test?
Occasionally, a patient presses the button by accident (causing a false positive) or fails to press the button when a flash of light appeared (causing a false negative). The reliability of the test also depends on the patient’s ability to look straight ahead and avoid looking around at the targets.
How is the visual field test used to diagnose glaucoma?
The visual field test is a subjective measure of central and peripheral vision, or “side vision,” and is used by your doctor to diagnose, determine the severity of, and monitor your glaucoma. The most common visual field test uses a light spot that is repeatedly presented in different areas of your peripheral vision.
How is the perimetry used to diagnose glaucoma?
Perimetry is a visual field test that produces a map of your complete field of vision. This test will help a doctor determine whether your vision has been affected by glaucoma. During this test, you will be asked to look straight ahead and then indicate when a moving light passes your peripheral (or side) vision.
Can a visual field test tell if you have a blind spot?
Visual field testing can detect blind spots A visual field test can determine if you have blind spots (called scotoma) in your vision and where they are. A scotoma’s size and shape can show how eye disease or a brain disorder is affecting your vision.
What do doctors see when they check for glaucoma?
There are very typical changes that doctors see in glaucoma, including the shape and location of any defects. In addition, when there is more central vision loss or if you have weaker vision in one eye, different algorithms can be performed. For example, a more “zoomed in” visual field test can be performed to check your vision more centrally.
The visual field test is a subjective measure of central and peripheral vision, or “side vision,” and is used by your doctor to diagnose, determine the severity of, and monitor your glaucoma. The most common visual field test uses a light spot that is repeatedly presented in different areas of your peripheral vision.
Perimetry is a visual field test that produces a map of your complete field of vision. This test will help a doctor determine whether your vision has been affected by glaucoma. During this test, you will be asked to look straight ahead and then indicate when a moving light passes your peripheral (or side) vision.
There are very typical changes that doctors see in glaucoma, including the shape and location of any defects. In addition, when there is more central vision loss or if you have weaker vision in one eye, different algorithms can be performed. For example, a more “zoomed in” visual field test can be performed to check your vision more centrally.
Visual field testing can detect blind spots A visual field test can determine if you have blind spots (called scotoma) in your vision and where they are. A scotoma’s size and shape can show how eye disease or a brain disorder is affecting your vision.