Assessment and Diagnosis of Oculomotor Dysfunction

Question 1

What 3 areas are evaluation of the EOM’s testing? What tests are done for each area?

Answer 1

1) Free-Space testing - Physiological H, Developmental protocol, Maples test
2) Psychometric testing - K-D, DEM
3) Electrodiagnostic testing - Readalyzer, Visagraph, RightEye

Question 2

What kind of EOM test is Maples Test? What does it observe (4)? What is the patient graded on? What is the grading scale (worst/best)? Who typically shows better scores at an earlier stage? What year does the other gender catch up?

Answer 2

-Free Space Test
-Observes patients ability, accuracy, body movement, and head movement
-Scale is 1 (worst) to 5 (best)
-Girls shower better scores earlier than boys.
-Boys catch up around age 9.

Question 3

On Maples Test, ability score should be 5 for all ages for saccades & pursuits except for boys age _ and _ (pursuit ability being 4 is normal)

Answer 3

5 and 6

Question 4

What EOM test involves a verbal component that take it into account?

Answer 4

King Devick

Question 5

What kind of EOM test is King-Devicks? What does it test? Why is it good for sports vision?

Answer 5

-Psychometric test
-Tests saccades
-Good for sports because quick and easy to do

Question 6

How do you calculate z-score for King Devick?

Answer 6

(avg - raw) / std. dev.

Question 7

What kind of EOM test is MEM? What does it evaluate? What can it determine?

Answer 7

-Psychometric test
-Evaluates Rapid Automatic Naming (RAN)
-Determines a possible saccadic problem

Question 8

What does the vertical and ratio tell you on MEM?

Answer 8

Vertical = if there is a RAN problem
Ratio = if there is saccadic problem

Question 9

What are the 4 possible outcomes of the MEM?

Answer 9

Normal performance: Normal ratio/ normal vertical
Saccadic Dysfunction: Normal vertical/ low ratio z scores
Difficulty with RAN: Low Vertical/ Normal ratio z score
Difficulty with both: Low vertical/ Low ratio z-score

Question 10

For MEM, what z score invalidates the test?

Answer 10

z-score < -1.0

Question 11

After wearing the ReadAlyzer, what score must a patient get on the quiz for a valid reading?

Answer 11

70%

Question 12

What do regressions show as on ReadAlyzer?

Answer 12

Horizontal line movements to the left

Question 13

What do are return sweeps on the readAlyzer?

Answer 13

Normal return to beginning of line

Question 14

What does a fixation on a word/letter appear as?

Answer 14

Vertical line