COA Practice Exam Questions and Answers (Graded A+)
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COA
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COA
COA Practice Exam Questions and Answers (Graded A+)COA Practice Exam Questions and Answers (Graded A+)While performing an automated visual field test, your patient has 2 or more false negatives. The best course of action is:
a. Make sure the fellow eye is patched properly
b. Let the patient take ...
COA Practice Exam Questions and
Answers (Graded A+)
While performing an automated visual field test, your patient has 2 or more false
negatives. The best course of action is:
a. Make sure the fellow eye is patched properly
b. Let the patient take a break
c. Remind the patient to look only at the fixation light
d. Increase the stimulus size - ANSWER-b. Let the patient take a break
As you are instructing a patient how to take an automated visual field test, the patient
states they cannot see the fixation light. Your next step would be:
a. Tape the patient's upper eye lid
b. Increase the stimulus size
c. Change the fixation target to a diamond
d. Remove the patch from the fellow eye - ANSWER-c. Change the fixation target to a
diamond
Which of the following instructions are important to tell patients when performing an
automated visual field test?
a. Tell me when you see a light
b. Push the button when you see very bright lights
c. Do not blink during the test
d. Push the button when you see any light
e. Be sure not to miss any lights - ANSWER-d. Push the button when you see any light
A patient doesn't push the response button when a light is presented to him during an
automated visual field test. A light is again presented to the patient in the same point of
the visual field only this time it's a brighter light. This is an example of:
a. Kinetic VFT
b. Threshold VFT
c. False negatives
d. Fixation loss - ANSWER-b. Threshold VFT
A patient responds to light that is presented with a visual field machine has already
determined his Blindspot is. This is an example of:
a. A false negative
b. Kinetic VFT
c. Threshold VFT
d. A fixation loss - ANSWER-d. A fixation loss
A patient who is performing an automated visual field test has multiple fixation masses
and false positives. This is likely due to
, a. Anxiety
b. Fatigue
c. Dense visual field defect
d. A lens rim artifact - ANSWER-a. Anxiety
If an automated visual field machine cannot locate the patients Blindspot the best
course of action is to
a. Repeat the "blind spot check"
b. Make sure the fellow eye is properly patched
c. Reinstruct the PT
d. All of the above - ANSWER-d. All of the above
When performing a kinetic visual field testing it's important to
a. Move the stimulus quickly
b. Move the stimulus from a non-seeing area to a seeing area
c. Instruct the patient to be certain the stimulus is present before responding
d. Map the nasal field first - ANSWER-b. Move the stimulus from a non-seeing area to a
seeing area
The main difference between static and kinetic VFT is
a. One is automated and the other is manual
b. One tests only the central 10º of VF while the other tests the central 30º of VF
c. When is performed with a moving stimulus and the other with a stationary stimulus
d. When is considered a gross assessment of the visual field and the other is a formal
methods of visual field testing - ANSWER-c. When is performed with a moving stimulus
and the other with a stationary stimulus
Which of the following tests only the central 20º of visual field?
a. Ptosis Visual Field
b. Amsler Grid
c. Confrontation Field
d. Threshold VFT - ANSWER-b. Amsler Grid
The performing confrontation visual field testing it is important to define a visual field
defect boundaries by vertical and horizontal marks because
a. It indicates how dense the defect is
b. It ensure there are no artifacts
c. It can indicate or rule out neurologic causes
d. It helps the doctor determine whether the patient needs glaucoma gets or Sx -
ANSWER-c. It can indicate or rule out neurologic causes
Why is it important to patch or cover the fellow eye when performing VF testing?
a. Because the eyes' VA may not be equal
b. Because the patient may become distracted by the vision in the eye which is not
being tested
c. Because the visual fields in each eye overlap one another
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