Certified Ophthalmic Assistant (COA)
Exam 2026 with correct questions and
detailed answers 2026 verified
When recording a prism in a spectacle
prescription, what does the abbreviation BO
stand for? - ✔✔ANSWER ✔✔-Base out
How are systemic medications administered? -
✔✔ANSWER ✔✔-Orally, injection
,(subcutaneously or intramuscularly) or
intravenously
How should drops be properly instilled into a
patient's eye? - ✔✔ANSWER ✔✔-Into the lower
cul de sac (lower fornix)
What does the term idiosyncrasy refer to with
ophthalmic drugs? - ✔✔ANSWER ✔✔-A bizarre,
peculiar reaction to a drug that is not
commonly seen, such as tremors, excitability or
even collapse
What is the name of the instrument used to
neutralize lenses? - ✔✔ANSWER ✔✔-
Lensometer (Lensmeter)
,What is determined by focusing the thin lines in
a manual lensometer? - ✔✔ANSWER ✔✔-The
sphere of the spectacle prescription
What is the first step in performing lensometry?
- ✔✔ANSWER ✔✔-Focus the eyepiece
When PRK is being performed, time remaining
in the procedure should be announced in
increments of ______ - ✔✔ANSWER ✔✔-10
seconds
Name the organism that is most destructive to
the eye. - ✔✔ANSWER ✔✔-Pseudomonas
Aeruginosa
What procedure using an Argon Laser is
thought to destroy areas of ischemic retina? -
, ✔✔ANSWER ✔✔-Panretinal photocoagulation
or panretinal laser
What type of intraocular injection is made at
the Pars plana site with a needle and syringe of
medication? - ✔✔ANSWER ✔✔-Intravitreal
injection
What are the parallel movements of the eyes
from one gaze position to another -
✔✔ANSWER ✔✔-Versions
What is the movement of one eye called -
✔✔ANSWER ✔✔-Duction
Versions and ductions are tested by using
________ to test the six pairs of _______ muscles. -
✔✔ANSWER ✔✔-Six Cardinal positions, yoke
Exam 2026 with correct questions and
detailed answers 2026 verified
When recording a prism in a spectacle
prescription, what does the abbreviation BO
stand for? - ✔✔ANSWER ✔✔-Base out
How are systemic medications administered? -
✔✔ANSWER ✔✔-Orally, injection
,(subcutaneously or intramuscularly) or
intravenously
How should drops be properly instilled into a
patient's eye? - ✔✔ANSWER ✔✔-Into the lower
cul de sac (lower fornix)
What does the term idiosyncrasy refer to with
ophthalmic drugs? - ✔✔ANSWER ✔✔-A bizarre,
peculiar reaction to a drug that is not
commonly seen, such as tremors, excitability or
even collapse
What is the name of the instrument used to
neutralize lenses? - ✔✔ANSWER ✔✔-
Lensometer (Lensmeter)
,What is determined by focusing the thin lines in
a manual lensometer? - ✔✔ANSWER ✔✔-The
sphere of the spectacle prescription
What is the first step in performing lensometry?
- ✔✔ANSWER ✔✔-Focus the eyepiece
When PRK is being performed, time remaining
in the procedure should be announced in
increments of ______ - ✔✔ANSWER ✔✔-10
seconds
Name the organism that is most destructive to
the eye. - ✔✔ANSWER ✔✔-Pseudomonas
Aeruginosa
What procedure using an Argon Laser is
thought to destroy areas of ischemic retina? -
, ✔✔ANSWER ✔✔-Panretinal photocoagulation
or panretinal laser
What type of intraocular injection is made at
the Pars plana site with a needle and syringe of
medication? - ✔✔ANSWER ✔✔-Intravitreal
injection
What are the parallel movements of the eyes
from one gaze position to another -
✔✔ANSWER ✔✔-Versions
What is the movement of one eye called -
✔✔ANSWER ✔✔-Duction
Versions and ductions are tested by using
________ to test the six pairs of _______ muscles. -
✔✔ANSWER ✔✔-Six Cardinal positions, yoke
