Vergence Dysfunction

Question 1

•Occurs when the amplitude of accommodation (AA) is lower than the expected AA for the patient’s age and is not due to sclerosis of the crystalline lens.

Answer 1

Accommodative Insufficiency

Question 2

It is a condition in which the AA is normal, but fatigue occurs with repeated accommodative stimulation.

Answer 2

Ill-sustained accommodation

Question 3

Also called as accommodative inertia

Answer 3

Accommodative Infacility

Question 4

A rare condition in which the accommodative system fails to respond to any stimulus.

Answer 4

Paralysis of Accommodation

Question 5

It is the result of overstimulation of the parasympathetic nervous system.

Answer 5

Spasm of Accommodation

Question 6

D10 eso; N3 eso

Answer 6

Basic Esophoria

Question 7

D3 exo; N15 exo

Answer 7

Convergence Insufficiency

Question 8

D5 exo; D2 eso

Answer 8

Mixed Phoria

Question 9

Their zone of clear, single binocular vision (CBV) is small.

Answer 9

Fusional Vergence Dysfunction

Question 10

D22 exo; N8 exo

Answer 10

Divergence Excess