Certified Ophthalmic Assistant (COA) The COA exam drills into anterior segment anatomy, tonometry techniques, and automated refraction? areas where precision directly affects patient outcomes. You’ll need working knowledge of visual field interpretation, contact lens fitting fundamentals, and ophthalmic pharmacology. Familiarity with sterile technique and instrument calibration separates those who pass from those who struggle.
| Exam Name | Certified Ophthalmic Assistant |
| Exam Code | COA |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
