Certified Ophthalmic Assistant (COA) Self-Evaluation Questions – Comprehensive Practice
Review and Study Guide
T or F: The main function of the sclera is to keep out light. - correct answer ✔✔False
T or F: If the epithelium of the cornea is damaged, a fine scar will appear. - correct answer
✔✔False
T or F: Aqueous humor leaves the eye by filtering through the trabecular meshwork. - correct
answer ✔✔True
The transparent lens of the eye is attached to the ciliary body by fine suspensory ligaments
called ____. - correct answer ✔✔Zonular fibers
The retina consists of rods and cones. The ____ function best in daylight. - correct answer
✔✔Cones
The head of the optic nerve is called the ____. - correct answer ✔✔Optic disc
The meibomian glands are:
a. in the ciliary body.
b. in the tarsus.
c. in the hair follicles.
d. associated with the lacrimal glands.
e. in the conjunctiva. - correct answer ✔✔b. in the tarsus.
The vitreous body comprises:
a. the pigment structure of the eye.
, b. the aqueous-forming part of the eye.
c. the sensory structure of the eye.
d. two-thirds of the volume of the eye.
e. the heat-absorbing portion of the eye. - correct answer ✔✔d. two-thirds of the volume of the
eye.
The orbiculares oculi is the muscle that:
a. dilates the pupil.
b. affects accommodation.
c. closes the eyelids.
d. opens the eyelids.
e. constricts the pupil. - correct answer ✔✔c. closes the eyelids.
T or F: Color vision should be test binocularly. - correct answer ✔✔False
T or F: Loss of accommodation is due to failure of the ciliary muscle. - correct answer ✔✔False
T or F: Tear production is increased during the night. - correct answer ✔✔False
When an object is viewed up close, three reactions occur. The eyes converge, the eye
accommodates, and the pupils ____. - correct answer ✔✔Constrict
The muscle that moves the eye up and in is called the ____. - correct answer ✔✔Inferior
oblique
The rod pigment ____, or visual purple, has vitamin A as its main component. - correct answer
✔✔Rhodopsin
Review and Study Guide
T or F: The main function of the sclera is to keep out light. - correct answer ✔✔False
T or F: If the epithelium of the cornea is damaged, a fine scar will appear. - correct answer
✔✔False
T or F: Aqueous humor leaves the eye by filtering through the trabecular meshwork. - correct
answer ✔✔True
The transparent lens of the eye is attached to the ciliary body by fine suspensory ligaments
called ____. - correct answer ✔✔Zonular fibers
The retina consists of rods and cones. The ____ function best in daylight. - correct answer
✔✔Cones
The head of the optic nerve is called the ____. - correct answer ✔✔Optic disc
The meibomian glands are:
a. in the ciliary body.
b. in the tarsus.
c. in the hair follicles.
d. associated with the lacrimal glands.
e. in the conjunctiva. - correct answer ✔✔b. in the tarsus.
The vitreous body comprises:
a. the pigment structure of the eye.
, b. the aqueous-forming part of the eye.
c. the sensory structure of the eye.
d. two-thirds of the volume of the eye.
e. the heat-absorbing portion of the eye. - correct answer ✔✔d. two-thirds of the volume of the
eye.
The orbiculares oculi is the muscle that:
a. dilates the pupil.
b. affects accommodation.
c. closes the eyelids.
d. opens the eyelids.
e. constricts the pupil. - correct answer ✔✔c. closes the eyelids.
T or F: Color vision should be test binocularly. - correct answer ✔✔False
T or F: Loss of accommodation is due to failure of the ciliary muscle. - correct answer ✔✔False
T or F: Tear production is increased during the night. - correct answer ✔✔False
When an object is viewed up close, three reactions occur. The eyes converge, the eye
accommodates, and the pupils ____. - correct answer ✔✔Constrict
The muscle that moves the eye up and in is called the ____. - correct answer ✔✔Inferior
oblique
The rod pigment ____, or visual purple, has vitamin A as its main component. - correct answer
✔✔Rhodopsin
