Pass your COA exam the first time
1,300+practice questions, full study guides, and timed mock exams for the JCAHPO COA certification โ with AI explanations when an answer doesn't click.
- 1,300+
- practice questions
- 12
- JCAHPO COA content areas covered
- 26
- topic areas with full study guides
- 1
- free mock test every day, no card needed
Study Materials
Comprehensive study guides for all 12 COA content areas
Mock Tests
Full-length practice exams with timed sessions
Practice by Category
Focus on specific topics to strengthen weak areas
Test History
Track your progress and identify areas for improvement
Exam Simulation
100-question timed exam matching the real NOCE format
AI Explanations
Stuck on a question? Get instant AI explanations in simpler terms, by analogy, or why your answer was wrong โ included in all paid plans
Free Resources
Official IJCAHPO links, study references, and learning resources
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22 Study Categories
History and Documentation
General Medical Knowledge
Ophthalmic Patient Services and Education
Visual Assessment
Pupil Assessment
Tonometry
Pharmacology
Visual Field Testing
Refractometry
Ophthalmic Imaging
Medical Ethics, Legal, and Regulatory Issues
Ocular Motility Testing
Lensometry
Biometry
Supplemental Testing
Surgical Assisting
Keratometry
Diagnostic Ultrasound
Microbiology
Optics and Spectacles
Contact Lenses
Equipment Maintenance and Repair