by BreezeMaxWeb | May 15, 2024 | Eye Clinic Langley
A visual field or perimetry test is an important exam that optometrists at Vision Care Centre Langley commonly perform. This test evaluates your peripheral or side vision for visual field defects or abnormalities. It can help detect various eye diseases and conditions in their early stages, allowing for prompt treatment. In a visual field test, you are seated in front of specialized testing equipment with one eye covered. The machine projects flashes of light into different areas of your visual field while you keep your other eye focused straight ahead. You press a button each time you see a light flash. This assessment maps out the boundaries of your visual field and checks for any blind spots or areas of reduced sensitivity. Some common eye conditions that a visual field test can detect include: Glaucoma This group of eye diseases slowly damages the optic nerve, resulting in irreversible vision loss over time. Early glaucoma often has no symptoms, so a visual field test is crucial for detection. It can identify subtle losses in peripheral vision long before noticeable vision changes arise. Timely treatment from the eye doctors at Vision Care Centre Langley can help prevent further damage. Optic nerve damage The optic nerve transmits visual signals from the eye to the brain. Any injury, inflammation, infection, tumour or other condition affecting this nerve can impair vision. A visual field test can uncover defects caused by optic nerve damage and help doctors determine the underlying cause. Retinal problems Diseases like age-related macular degeneration and diabetes can impact the retina – the light-sensitive tissue at the back of the eye. A...
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