Pharmacology, Microbiology & Surgical Assisting — Ophthalmic Assistant (COA) Practice Test
Free Certified Ophthalmic Assistant (COA) practice in English, Chinese, and Spanish — history taking, visual acuity, pupils and motility, tonometry, visual fields, refraction, ophthalmic imaging, pharmacology, and the patient education an eye clinic runs on.
21 free practice questions
Practice questions based on the IJCAHPO core certification content areas for the Certified Ophthalmic Assistant and on standard ophthalmic clinical practice references. COA, COT, and COMT are marks of the International Joint Commission on Allied Health Personnel in Ophthalmology; this site is not affiliated with or endorsed by IJCAHPO. Ophthalmic assistants work under the delegation of a supervising ophthalmologist and permitted tasks vary by state and by practice — confirm your own scope, and check the current exam requirements and content outline with IJCAHPO before testing. About IJCAHPO certification →