1 Vergences

Question 1

What does the near triad consist of?

Answer 1

Convergence
Accommodation
Constriction of the pupils

Question 2

What does the AC/A ratio mean? What’s a normal AC/A?

Answer 2

Accommodation convergence/ accommodation

4/1!!

Question 3

CA/C ration is what?

Answer 3

..

Question 4

What’s proximal vergence?

Answer 4

Small amount of vergence at near that is stimulated by the “awareness of near”

Psychological phenomenon

Question 5

What’s fusional vergence?

Answer 5

Vergence that is stimulated by disparate retinal images

Is a motor effort

When you have a target and trying to maintain single vision, but you can use fusional vergence to pull eyes back in to make one image again

Question 6

Base in moves the image ________ and eyes must ______

Answer 6

…

Question 7

For NFV-negative fusional vergence, you use base ___ to move image temporally-eyes must

Answer 7

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