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Why do I need a visual field test? Jan Howlett, orthoptist and Glaucoma Australia educator answers some frequently asked questions in this new video series. ...
- 1 min
- 1069
- GlaucomaAustralia
Paula Anne Newman-Casey, M.D., M.S., is a glaucoma specialist at the University of Michigan Kellogg Eye CenterTo learn more about glaucoma, visit: http://www...
- 38 sec
- 46.1K
- U-M Kellogg Eye Center in Ann Arbor
Why do I need a visual field test? Your optometrist uses the visual plot field to compare your visual field test to others from people of a similar age, as well as looking for any loss of sensitivity across the visual field. This is split into two types: diffuse and localised.
Oct 31, 2023 · Visual Fields Testing. Information about having a Visual Field Test and why it is needed. Download and print as a PDF (158kB pdf)
- Eye Pressure Test
- Gonioscopy
- Visual Field Test
- Optic Nerve Assessment
An eye pressure test (tonometry) uses an instrument called a tonometer to measure the pressure inside your eye. The optometrist will put a small amount of painkilling medicine (anaesthetic) and dye into the front of your eye. They will then shine a light into your eye and gently touch the surface of it with the tonometer. Some optometrists use a di...
Gonioscopy is an examination to look at the front part your eye – the fluid-filled space between the coloured part (iris) and the clear window of the front of the eye (cornea). This is where the fluid should drain out of your eye. A gonioscopy can help to determine whether this area (the "angle") is open or closed (blocked), which can affect how fl...
A visual field test (sometimes called perimetry) checks for missing areas of vision. You may be shown a sequence of light spots and asked to press a button to indicate which ones you can see. Some dots will appear at the edges of your vision (your peripheral vision), which is often the first area to be affected by glaucoma. If you can't see the spo...
The optic nerve, which connects your eye to your brain, can become damaged in glaucoma, so an assessment may be carried out to see if it's healthy. For the test, eyedrops will be used to enlarge your pupils. Your eyes are then examined using either: 1. a slit lamp (a microscope with a bright light) 2. optical coherence tomography – a type of scan w...
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.
People also ask
Why do I need a visual field test?
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Feb 10, 2024 · Here, glaucoma experts review the strengths and weaknesses of visual field testing, as well as provide their tips on interpreting patients’ fields. Visual Fields: An Overview “When patients are diagnosed with glaucoma, they either have no functional deficits and a normal visual field, or they have some deficits.
