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Examen
COA Certification Exam Prep 2025-2026 / Score 100% / Certified Ophthalmic Assistant Study Guide / JCAHPO Test Review 
 

NuevoAce your JCAHPO Certified Ophthalmic Assistant (COA) exam with this comprehensive study guide. Covers the 200-question, 3-hour exam blueprint, including history taking, lensometry, tonometry, pharmacology, and surgical assisting. Features proven study strategies and realistic practice questions. Updated for 2025/2026. Boost your confidence and score 100% on your COA certification exam.
Examen
Preparing for the COA Certification Examination (Certified Ophthalmic Assistant Exam Preparation)
PopularThe COA (Certified Ophthalmic Assistant) certification is administered by IJCAHPO (International Joint Commission on Allied Health Personnel in Ophthalmology) and is designed to validate the skills and knowledge of allied ophthalmic personnel. The exam consists of 200 multiple-choice questions (190 scored, 10 unscored) with a total duration of 180 minutes . The exam content covers multiple domains, with the highest-weighted areas being Ophthalmic Patient Services and Education (14%), General Med...