During ocular examinations, what should the nurse keep in mind regarding the movement of the extraocular muscles?

A) Is decreased in the older adult.
B) Is stimulated by CNs III, IV, and VI.
C) Is impaired in a patient with cataracts.
D) Is stimulated by cranial nerves (CNs) I and II.

Extraocular Muscles

The muscles outside the eye that control eye movements.

CNs III, IV, VI

The oculomotor (III), trochlear (IV), and abducens (VI) cranial nerves, which control eye movements and pupil constriction.

Cataracts

A medical condition where the lens of the eye becomes progressively opaque, resulting in blurred vision.