A child is affected by strabismus-type "lazy eye", a condition where the muscles of one eye fail to correctly position it and causes a lack of coordination between both eyes. The child's particular strabismus causes one eye to constantly look directly upward. Which extrinsic eye muscle has been weakened in this case?
A)Superior rectus
B)Inferior rectus
C)Lateral rectus
D)Inferior oblique

Question

Quizplus · Accepted Answer

The inferior rectus muscle is responsible for moving the eye downward. If this muscle is weakened, it cannot counteract the pull of the opposing superior rectus muscle, causing the eye to look upward, as described in the scenario.

A Child Is Affected by Strabismus-Type "Lazy Eye", a Condition