Certified Ophthalmic Assistant (COA) Exam with answers

Certified Ophthalmic Assistant (COA) Exam with answers How are systemic medications administered? -Correct Answer-Orally, injection (subcutaneously or intramuscularly) or intravenously How should drops be properly instilled into a patient's eye? -Correct Answer-Into the lower cul de sac (lower fornix) What does the term idiosyncrasy refer to with ophthalmic drugs? -Correct 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? -Correct Answer-Lensometer (Lensmeter) When recording a prism in a spectacle prescription, what does the abbreviation BO stand for? -Correct Answer-Base out What is determined by focusing the thin lines in a manual lensometer? -Correct Answer-The sphere of the spectacle prescription What is the first step in performing lensometry? -Correct Answer-Focus the eyepiece When PRK is being performed, time remaining in the procedure should be announced in increments of ______ -Correct Answer-10 seconds Name the organism that is most destructive to the eye. -Correct Answer-Pseudomonas Aeruginosa What procedure using an Argon Laser is thought to destroy areas of ischemic retina? -Correct 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? -Correct Answer-Intravitreal injection What are the parallel movements of the eyes from one gaze position to another -Correct Answer-Versions What is the movement of one eye called -Correct Answer-Duction