COA - Certified Ophthalmic Assistant Ocular Motility and Alignment Questions and Answers

Question 1

A patient's left eye turns inward toward their nose when the right eye is covered. What is the term for this misalignment?

Accepted Answer

Esotropia

Answer

Exotropia

Answer

Hypertropia

Answer

Hypotropia

Question 2

Which cranial nerve is responsible for innervating the lateral rectus muscle, which abducts the eye?

Accepted Answer

Cranial Nerve VI (Abducens)

Answer

Cranial Nerve III (Oculomotor)

Answer

Cranial Nerve IV (Trochlear)

Answer

Cranial Nerve V (Trigeminal)

Question 3

During a cover-uncover test, the examiner notes that the uncovered eye moves outward to pick up fixation when the other eye is covered. This movement is only observed during the test. This finding is indicative of a(n):

Accepted Answer

Esophoria

Answer

Esotropia

Answer

Exophoria

Answer

Exotropia

Question 4

Which of the following tests is used to evaluate ocular alignment by observing the location of the corneal light reflex?

Accepted Answer

Hirschberg Test

Answer

Cover-Uncover Test

Answer

Worth 4-Dot Test

Answer

Titmus Test

Question 5

To best isolate and evaluate the action of the right superior rectus muscle, in which of the six cardinal positions of gaze should the patient be directed to look?

Accepted Answer

Up and to the right

Answer

Up and to the left

Answer

Straight up

Answer

Down and to the right

Question 6

A 5-year-old child presents for an eye exam. The ophthalmic assistant observes that the child's right eye is deviated upwards compared to the left eye. This condition is best described as a:

Accepted Answer

Right Hypertropia

Answer

Right Exotropia

Answer

Left Hypotropia

Answer

Left Esotropia