Suppresion Therapy

Question 1

List the suppression breakers

Answer 1

Shaking the target
Blinking 
Tapping 
Use large/peripheral targets
Cover/uncover eye
Increase illumination 
Drawing the attention to the eye that is suppressing

Question 2

Suppression therapy procedures principles are to

Answer 2

Eliminate suppression by providing cues to the two eyes so that the patient is aware when one eye turns off.

Question 3

Suppression therapy tests

Answer 3

Can be done with mirrors (synoptophore and cheiroscopic tracings), physiological dipolia (brocks string ) or filters (R/G or polarized glasses)

Question 4

Colored print on a white background

The red print on the white background is only visible to

Answer 4

The eye behind the green lens

Question 5

The eye with the red filter sees everything as

Answer 5

Red

Question 6

The eye with the green filter sees everything as

Answer 6

Green

Question 7

Colored print on DARK background

The red fish (print) is seen by the _____ lens

Answer 7

Red lens

Question 8

Colored print on a dark background

The green fish is seen by the _____lens

Answer 8

Green lens

Question 9

On a dark background…the eye behind lens will be to see only ____pictures

Answer 9

Red

Question 10

On white background, the green lens sees ____

Answer 10

Red_______.

Usually done on strabismus patients

Question 11

When colored overlays are used the red lens sees through the

Answer 11

Red bars.

Question 12

When using color overlay the green lens sees through the _____ bars

Answer 12

Green bars.

Question 13

Your pt reports that red portions on the overlay look black, what eye is being suppressed? The eye behind….

Answer 13

The red lens

And vice versa. The green bars will appear black behind the green lens.

Color overlay is good for alternating.

Question 14

Near Anti-suppression procedures

Answer 14

Cheiroscopic tracings
Anaglyphic drawings
Red/green town
Red/green playing cards
Mfbf game
Bar reader

Question 15

Anti-suppresion procedures NEAR-INTERMEDIATE

Answer 15

Brock string

Question 16

Anti-suppression procedures for distance

Answer 16

Red/green fish matching
Vis -a -vis
Circle card
MB c vertical prism

Question 17

For deep suppression on cheiroscopic tracing it would be easier to have the patient

Answer 17

View the paper AND PENCIL by the more DEEPLY SUPPRESSED EYE. This will help breakdown that suppression

Question 18

For patients with mild suppression or central suppression only, tracing _____ is more effective than the fill in figure for deep suppressors

Answer 18

Small (central ) targets

Question 19

How to coach pt during cheiroscopic tracing?

Answer 19

Tap pencils,
Focus on keeping tip of pencil in view
Blink that eye
Wiggle fingers

Question 20

Goal of cheiroscopic tracing

Answer 20

To trace small, central figures WITHOUT suppression of EITHER EYE.

Question 21

What is the set up for anaglyphic drawings/tracings

Answer 21

Patient wears r/g glasses over the PREFERRED EYE. And the green lens over the NON PREFERRED EYE (suppressing eye..

Question 22

On anaglyphic drawings/tracings …the drawings are on white background.
The red eye (OD) is able to see the black print. T/f

Answer 22

True. The red eye can see black print but cant see any red crayons

Question 23

On anaglyphic tracings, the green eye sees the _____ & _____

Answer 23

Black AND red print

Question 24

Disappearance of red crayons on anaglyphic on white background indicates, suppression of the eye with green lens or with the red lens

Answer 24

Green.

Question 25

Why is it important to practice cover/uncover cues on intermittent straps?

Answer 25

It helps them recognize double vision cues, and awareness of bringing eye back in alignment.

Question 26

How can you make the monocular fixation in binocular field matching game more difficult?

Answer 26

By having patient hold plus / minus lens flipper. Minus on one eye and plus on other eye. As the pt is looking through the plexiglass targets from the white tiles they must accommodate to clear each one.

ITS NOW A BI-OCULAR accommodation test.

Goal can now be ability to match without suppression and to clear lens +2.50 -6.00