POST TEST FOR MODULE 13:   Visual Fields - Automated, Monitoring for Reliability            Catalog    Home   

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Instructions:  This is an "open-book" test,  meaning you can refer to the module while answering the questions.  Use this printed version for your convenience when referring back to the module information.  

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1. The automated perimeter uses the patient's birth date to:

A. calculate the trial lens correction

B. adjust the brightness of the background

C. determine the test duration

D. send the patient a birthday card

2. When calculating the trial lens power for the automated perimeter, how much power would be added to the distance correction of a patient who is dilated prior to testing?

A. +2.50

B. +3.25

C. +1.50

D. +5.00

3. When calculating the trial lens power for the automated perimeter, the distance correction entered for a patient wearing contact lenses (for best distance vision) would be:

A. +2.50

B. +1.00

C. -1.00

D. zero

4. For the patient with central vision loss, the fixation target on the HFA can be changed from "central" to:

A. para-central

B. large circle

C. large diamond

D. flashing light

5. When instructing the patient prior the automated threshold field testing, you should explain to the patient that:

A. all the stimuli will be bright

B. all the stimuli will be dim

C. she will not see all of the stimuli

D. she will see all of the stimuli

6. If the patient cannot see the automated perimeter fixation target, you should:

A. re-position the trial lens correction

B. re-calculate the trial lens power

C. change the fixation target parameter to "diamond"

D. do any of the above, as necessary

7. When testing with the HFA automated perimeter, the patient can pause the test by:

A. holding down the response button

B. pressing the response button repeatedly

C. moving back from the head-rest

D. shouting, "let me out of here, I can't take it anymore!"

8. The figure "3/10" next to "fixation losses" means that

A. fixation was tested 30 times and there were 10 fixation losses

B. fixation was tested 10 times and there were 3 fixation losses

C. fixation was lost 10 times and re-gained 3 times 

D. fixation was tested 310 times

9. During automated perimetry, high fixation losses may mean that:

A. the patient does not understand what is expected

B. an incorrect trail lens power is being used

C. the opposite eye is not well occluded

D. any of the above

10. A false positive error means that:

A. the patient is pressing the button when no stimulus is presented

B. the patient is not responding to stimuli previously seen

C. the patient is losing fixation

D. the patient is seeing every stimulus presentation

11. A false negative error means that:

A. the patient is pressing the button when no stimulus is presented

B. the patient is not responding to stimuli previously seen

C. the patient is losing fixation

D. the patient is seeing every stimulus presentation

12. Decibel readings above 40 on the HFA indicate that:

A. the patient has normal vision

B. the patient is inattentive

C. the patient is pressing the button before the stimulus is seen

D. the patient is pressing the button when the stimulus is seen

13. Gaze Tracking on the HFA:

A. records eye movements on videotape

B. gives the patient a small shock if fixation is lost

C. graphs the movement of the patient's eye during the test

D. holds the patient's eye steady during the test

14. Downward markings on the Gaze Tracking graph line indicate:

A. deviations from fixation

B. blinks

C. false positives

D. false negatives

15. The Vertex Monitor on the HFA will sound an alarm if:

A. the patient blinks

B. the patient's head moves side to side

C. the patient backs away from the head rest

D. the patient responds when no stimulus is presented