POST TEST FOR MODULE 28:  Binocular Vision        Catalog

                                                                   

To print this test:  Go to the "File" menu of the window in which this appears and click "print".

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.  

If submitting answers online:  Go to the online submission form to enter and submit your answers.

If sending forms in the mail:  You must print and send in a copy of the ANSWER SHEET and the EVALUATION FORM to receive credit.   Do not mark your answers on this question page and do not send this page in for scoring.

Section 1

1. The degree of stereo perception is a function of: 

A. the angle of perpetuity

B. the angle of parallax 

C. the height of the object being viewed

D. the depth of the object being viewed

2. Which is not a depth perception clue?

A. converging lines

B. relative size

C. relative motion

D. all of the above are depth perception clues

3. A one-eyed person has depth perception.

A. True

B. False

4. It is not possible to have fusion without having stereopsis.

A. True

B. False

5. Compensating for double vision by ignoring the image from the deviating eye is called:

A. segregation

B. segmentation

C. suppression

D. substantiation

6. Compensating for double vision by ignoring the image from the deviating eye can lead to:

A. amblyopia

B. anisometropia

C. anisokonia

D. anaphylaxis

7. Amblyopia that results when each eye has a different uncorrected refractive error is called _______ amblyopia.

A. strabismic

B. anisometropic

C. refractive

D. meridional

8. Which is a common treatment for amblyopia?

A. full refractive correction

B. patching the better eye

C. patching the amblyopic eye

D. A and B                 

9. Which should not be used when testing for amblyopia?

A. single Snellen letters

B. a full line of numbers

C. the "E" game

D. Allen cards

Section 2 

10. Which symbol(s) of the stereo test are easiest to stereo?

A. the last circles

B. the first circles

C. the animals

D. the fly (or butterfly)

11. Which score indicates the best stereo acuity?

A. 400 minutes

B. 400 seconds

C. 100 seconds

D. 50 seconds

12. In order for the stereo test to work, the patient must:

A. wear the full distance correction

B. wear the full near correction

C. wear polarized glasses

D. use one eye at a time

13. The Four Diopter Base-out Prism Test is useful for detecting:

A. fusion

B. suppression

C. A and B

D. none of the above 

14. A positive (normal) response to the Four Diopter Base-out Prism Test is:

A. a divergence movement of the eye

B. a convergence movement of the eye

C. no movement of the eye

D. excessive blinking

15. A positive (normal) response to the Four Diopter Base-out Prism Test indicates:

A. fusion

B. suppression

C. convergence insufficiency

D. divergence insufficiency