22. Applied Concepts

Question 1

What exercises are used to strengthen the oculomotor system?

Answer 1

Monocular prism jumps
Pegboard rotator
Marsden ball pursuits
Pursuit and saccade tag
Number and letter tracking
After image transfer fixations

Question 2

What exercises are used to strengthen accommodation?

Answer 2

Lens sorting
Bull's eye
Split pupil
Wach's mental minus
Spirangle rock

Question 3

What exercises are used for anti-suppression?

Answer 3

Physiological diplopia (Brock String)
Anaglypic Drawing
Line tracing
Bar reader
Vis a Vis
Hart chart with red/green

Question 4

What exercises are used for vergences?

Answer 4

Aperture rule
Eccentric circles
Life saver cards
Vectograms( Qoits, spirangle, clown)
Wheatstone Stereoscope
Randot stereo
VTS 3

Question 5

What are the 5 phases of a VT program?

Answer 5

1. Lens prescription
2. Improve monocular visual function
3. Establish normal peripheral fusion
4. Establish normal central/foveal fusion
5. Establish binocular vision in free space

Question 6

What are the possible vergence diagnoses with a low AC/A ratio?

Answer 6

The insufficiencies:

Any time the phoria is greater at near than far

Question 7

What are the possible vergence diagnoses with a normal AC/A ratio?

Answer 7

Fusional vergence dysfunction (ortho @ far, exo @ near)

Basics: same amount of phoria at near and far

Question 8

What are the possible vergence diagnoses with a high AC/A ratio?

Answer 8

Excesses: CE, DE

More exo at near than far