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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 Location

401 West Whitestone Boulevard, Bldg B200
Cedar Park, TX 78613

Office Details

401 West Whitestone Boulevard, Bldg B200
Cedar Park, TX 78613
  • 10:00 AM - 7:00 PM
  • 9:00 AM - 6:00 PM
  • 9:00 AM - 6:00 PM
  • 9:00 AM - 6:00 PM
  • 9:00 AM - 2:00 PM
  • Closed
  • Closed

Saturday hours available by appointment only.

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Our Reviews

Dr. Yonker provided detailed information in respects to my daughter's eye exam. He covered everything well before I even asked him any questions. Awesome customer service! I loved them and will definitely be going back. Thank you.
12 hours ago
5
eye doctor's office
I love TSO, I have gone to multiple optometrist to get my contacts prescription. After multiple failed attempts I was giving up on wearing contacts but I decided to try one more time and I arrived to TSO where the doctor took his time and did his best to have my prescription right. He was making sure that I can see and was able to determine why the other doctors where wrong. I'm so happy I can wear contacts and they are so comfortable.
3 days ago
5
eye doctor's office
Dr. Yonker did an excellent job of explaining what we were doing and why. Some of the equipment looks other-worldly. He was also well versed on what my insurance would pay for and what it wold not.
1 week ago
5
eye doctor's office
In and out quickly. Tried a competitor but came back to TSO. Dr. Yonker is very good in diagnosing the correct prescription. Friendly staff. Highly recommend them.
3 weeks ago
5
eye doctor's office
Great office, Dr. Yonker and the manager Dennis were both very nice. Very knowledgeable and made me feel comfortable
3 weeks ago
5
eye doctor's office
Dr. Yonker is thorough and his staff is friendly and in top of everything. Very safe, keeping with CDC guidelines.
1 month ago
5
eye doctor's office
Super helpful and friendly staff. Doctor was informative and thorough. I will be back!
2 months ago
5
eye doctor's office