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It finds out how well your peripheral vision works by measuring the sensitivity of your visual system in various positions. Central vision allows you to see fine details of objects you are looking at directly.Peripheral vision is used: - To find objects
- To detect threats
- For general orientation and balance
- In sport, to be able to see the ball out of the corner of your eye
- For reading
- Something that damages or interferes with any part of your visual system
- Injuries or diseases of the retina
- Diseases that damage the optic nerve that carries signals from the eye to the brain, such as glaucoma
- In sport, to be able to see the ball out of the corner of your eye
- Brain injuries and strokes
Visual field testing is a very useful way of detecting many diseases. - It uses a computerised instrument called an automated perimeter. This consists of a concave bowl that allows lights to be flashed at various points inside
- You sit facing into the bowl with your head resting on a support to restrict movement. The computer varies the brightness of the test lights and records responses when you press a button each time you see a light, measuring your sensitivity
- Keep looking at the light in the centre of the bowl, as this will keep your eye still
- Sometimes the lights will be easy to see; sometimes they will be difficult. A person with completely normal visual fields will only see about two-thirds of the lights
This test can be bulk billed to Medicare for those who are eligible but is not covered by HCF. | |
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