Which cranial nerve is assessed by using the Snellen visual acuity chart?
A) Optic cranial nerve (CN II)
B) Oculomotor cranial nerve (CN III)
C) Abducens cranial nerve (CN IV)
D) Trochlear cranial nerve (CN VI)

Question

Quizplus · Accepted Answer

The optic cranial nerve (CN II) provides vision tested by the Snellen visual acuity chart. CN III controls pupillary constriction, eyelid movement, and eyeball movement. CN IV controls eyeball movement. CN VI controls eyeball movement.

Which Cranial Nerve Is Assessed by Using the Snellen Visual