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Doctor insights on: Visual Field Test

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Can you tell me about the visual field test?

Can you tell me about the visual field test?

Benign and painless: In this test you will sit looking at a dome on which lids are arrayed or a light is projected Your identification is by a signal button and the mapping of what you saw is produced as a clue to changes in glaucoma, or to the nervous system. ...Read more

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Visual field test 2 mos. Apart w/fixation loss of 6/12 in 1st test & 3/14 in 2nd test. 1st test showed more damage than 2nd. Which test is most right?

The second : Less fixation losses on the second test means you were focusing on the fixation target more times than on the first test. Therefore, the second is the most accurate test. ...Read more

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How often should you have a visual field test when you have glaucoma?

How often should you have a visual field test when you have glaucoma?

Visual field test: In stable glaucoma, normally done once a year to verify that no change for the worse is occurring. If so, treatment will be intensified. If your glaucoma is unstable, or a change in the optic nerve is noted, a visual field is done at that time even if already done that year. Visual fields are measured besides the optic nerve cup/disc ratio, intraocular pressure, and nerve fiber layer. ...Read more

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Can having excessive amounts of caffeine cause you to fail the visual field test,?

Can having excessive amounts of caffeine cause you to fail the visual field test,?

No: Caffeine consumption does not interfere with your visual field data. If, however, you are extremely jittery, you may be more nervous and overly responsive with the hand held clicker which may lead to higher percentage of false positives and fixation losses. The latter decreases the reliability of the visual died results. ...Read more

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I've been on 400 mg Plaquenil fo 6 years. No signs of toxicity. In general, how often should I have 10-2 visual field test? every year?Every 6 months?

I've been on 400 mg Plaquenil fo 6 years. No signs of toxicity. In general, how often should I have 10-2 visual field test? every year?Every 6 months?

Hydroxychloroquine: As a rheumatologist, I have patients on Plaquenil for years. At the doses we now use, side effects are rare. I think all patients, on Plaquenil or not, should have an eye exam once a year. I would be happy to consult with you, if you have any more specific questions. ...Read more

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In glaucoma exam what does it mean when Dr. says there is "questionable change" to the optic nerve. No change in visual field test.

In glaucoma exam what does it mean when Dr. says there is "questionable change" to the optic nerve. No change in visual field test.

Progression: changes in the optic nerve are hard to quantitate changes in the visual field are more definitive but you do not want to wait until that happens it is time to be more aggressive in your glaucoma therapy ...Read more

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I had visual field test with 0 fixation losses and 0 false positives- 0false Neg felt my eye maybe moved around.is field accurate still? NML

I had visual field test with 0 fixation losses and 0 false positives- 0false Neg felt my eye maybe moved around.is field accurate still? NML

Good result: With zero fixation losses and zero false positives, your performance at the test was likely to be flawless and the results fully reliable. ...Read more

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Have Macular pucker causes white to appear gray. Also have glaucoma. Will visual field test be inaccurate because background is gray instead of white.

Have Macular pucker causes white to appear gray. Also have glaucoma. Will visual field test be inaccurate because background is gray instead of white.

Likely to be fine: There can be multiple conditions in an eye at one time, and when this is the case a visual field may be a bit off from it's full potential. But it can still give useful information. In your case, if it is inaccurate, some changes can be made to the settings of the test to make it easier. If still inaccurate, there are still other parameters/tests of your eye that can be utilized to follow it. ...Read more

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Just had my annual plaquenil exam with OCT. All normal. Now I have to come back for a 10-2 visual field test. Isn't this normally all done on 1 visit?

Depends: Offices run with various schedules and demands. I would guess that the field machine to do the 10-2 field test was in use when you were in the office and instead of having you wait some period of time before the test, that they could schedule that test alone at a later date so you would not have to wait. Other offices might schedule all tests on one visit- best to ask prior to next appointment. ...Read more