Certified Ophthalmic Assistant (COA)

Certified Ophthalmic Assistant (COA) How are systemic medications administered? Orally, injection (subcutaneously or intramuscularly) or intravenously How should drops be properly instilled into a patient's eye? Into the lower cul de sac (lower fornix) What does the term idiosyncrasy refer to with ophthalmic drugs? 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? Lensometer (Lensmeter) When recording a prism in a spectacle prescription, what does the abbreviation BO stand for? Base out What is determined by focusing the thin lines in a manual lensometer? The sphere of the spectacle prescription What is the first step in performing lensometry? Focus the eyepiece When PRK is being performed, time remaining in the procedure should be announced in increments of ______ 10 seconds Name the organism that is most destructive to the eye. Pseudomonas Aeruginosa What procedure using an Argon Laser is thought to destroy areas of ischemic retina? Panretinal photocoagulation or panretinal laser COA What type of intraocular injection is made at the Pars plana site with a needle and syringe of medication? Intravitreal injection