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CERTIFIED OPHTHALMIC ASSISTANT (COA) EXAM 2024/2025 (ANSWERED
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CERTIFIED OPHTHALMIC ASSISTANT (COA) EXAM 2024/2025 (ANSWERED
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CERTIFIED OPHTHALMIC ASSISTANT (COA) EXAM2024/2025 (ANSWERED)
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[COMPANY NAME] [Company address]
,Certified Ophthalmic Assistant (COA)
How are systemic medications administered? - Precise Answer
✔✔Orally, injection (subcutaneously or intramuscularly) or
intravenously
How should drops be properly instilled into a patient's eye? - Precise
Answer ✔✔Into the lower cul de sac (lower fornix)
What does the term idiosyncrasy refer to with ophthalmic drugs? -
Precise 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? - Precise
Answer ✔✔Lensometer (Lensmeter)
When recording a prism in a spectacle prescription, what does the
abbreviation BO stand for? - Precise Answer ✔✔Base out
What is determined by focusing the thin lines in a manual lensometer? -
Precise Answer ✔✔The sphere of the spectacle prescription
What is the first step in performing lensometry? - Precise Answer
✔✔Focus the eyepiece
,When PRK is being performed, time remaining in the procedure should
be announced in increments of ______ - Precise Answer ✔✔10 seconds
Name the organism that is most destructive to the eye. - Precise Answer
✔✔Pseudomonas Aeruginosa
What procedure using an Argon Laser is thought to destroy areas of
ischemic retina? - Precise 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? - Precise Answer ✔✔Intravitreal
injection
What are the parallel movements of the eyes from one gaze position to
another - Precise Answer ✔✔Versions
What is the movement of one eye called - Precise Answer ✔✔Duction
Versions and ductions are tested by using ________ to test the six pairs
of _______ muscles. - Precise Answer ✔✔Six Cardinal positions, yoke
The movement of the eye outward toward the temple is called _____ -
Precise Answer ✔✔Abduction
, What is the technique used to measure the radius of curvature of the
anterior corneal surface? - Precise Answer ✔✔A-Scan Keratometry
Length Measurements
Keratometry is performed with a device called a ______ - Precise
Answer ✔✔Keratometer or ophthalmometer
Give three examples in which a Keratometry measurement would be
useful. - Precise Answer ✔✔Contact lens fitting, refractive surgery,
intraocular lens calculations, keratoconus
Keratometry is measured in _____ - Precise Answer ✔✔Diopters
Measuring intraocular pressure is also called _____ - Precise Answer
✔✔Tonometry
The higher the intraocular pressure of an eye, the ____ the eye - Precise
Answer ✔✔Harder
Applanation tonometry displaces less than ____ of aqueous. - Precise
Answer ✔✔0.5 microliters
When recording intraocular pressure, the reading on the Goldmann
applanation tonometer scale should be multiplied by ____. - Precise
Answer ✔✔10
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