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Home » Eye Care Services » Visual Field Testing

Visual Field Testing

A visual field test measures how much 'side' vision you have. It is a straightforward test, painless, and does not involve eye drops. Essentially lights are flashed on, and you have to press a button whenever you see the light. Your head is kept still and you have to place your chin on a chin rest. The lights are bright or dim at different stages of the test. Some of the flashes are purely to check you are concentrating.
 
Each eye is tested separately and the entire test takes 15-45 minutes. Your optometrist may ask only for a driving licence visual field test, which takes 5-10 minutes. If you have just asked for a driving test or the clinic doctor advised you have one, you will be informed of the result by the clinic doctor, in writing, in a few weeks. 
 
Normally the test is carried out by a computerised machine, called a Humphrey. Occasionally the manual test has to be used, a Goldman. For each test you have to look at a central point then press a buzzer each time you see the light.  

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Our office will remain open for patients who are experiencing any eye-related issues, including emergency visits, non-routine exams to replace lost or broken glasses and refilling of contact lens prescriptions. We will be working reduced hours, with a skeleton staff. Please call before coming into the office, as we will not be seeing any walk-ins. We are also offering telehealth for patients experiencing any eye-related infections for those who are unable to or are not comfortable coming into the office.

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