Answer
a. requires contraction of the medial rectus muscles of both eyes.
b. is needed for near vision.
c. involves transmission of impulses along the abducens nerves.
d. can promote eyestrain.
Work Step by Step
Convergence means the ability to look at very close objects, it can increase eyestrain. It involves transmission of impulses along the abducens nerves and contraction of the medial rectus muscles of both eyes.
