Visual Field Testing
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What is a visual field test?

A visual field test measures how much "side" vision you have. The test determines if you have lost sight from glaucoma and other conditions. Changes in the visual field help to determine if the sight is getting worse and the glaucoma is progressing.

It is a straightforward test, painless and does not involve eye drops. Your head is kept still and you have to rest your chin on a chin rest.

Essentially, lights are flashed on, and you must press a button whenever you see a light. The lights are bright or dim at different stages of the test. Some of the flashes are purely to check that you are concentrating.

How long will it take?

Each eye is tested separately, and you should allow 15 to 45 minutes to have the whole test.

Driving visual field test

These are usually carried out by various optometrists.

What equipment is used?

Normally the test is carried out by a computerized machine. Occasionally a manual test has to be used. For each test you have to look at a central point and have to press a buzzer each time you see a light.

What do you need to bring?

You need to bring any glasses you have.

Who will do the test?

The glaucoma technician or optometrist will do the test.          

What happens to the results?

The results are placed in your file and the ophthalmologist will review the notes at your next consultation.

For more information about the Sinai-Grace Eye Care Center or to make an appointment, call 313-966-2024. For a referral to a Sinai-Grace ophthalmologist or optometrist, call 313-966-4800.