Practice Quiz

Ophthalmic Technician

Maintained and Updated as of 2025

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 Study smart with our popular Ophthalmic Technician exam prep module! 
 
Our study module was designed to help you prepare for the JCAHPO Certified Ophthalmic Technician (COT) exam.
 
Each question has a detailed explanation so you can learn the reasoning behind every answer. 

 If you would like a printed copy, you can access it here: Ophthamalic Technician Study Questions on Amazon 
 
 With over 400 practice questions, we cover every section of the COT, including: 

  •  Pupillary Assessment
  •  Lensometry
  •  Keratometry
  •  Microbiology
  •  Ocular Motility
  •  Assisting in Surgical Procedures
  •  Ophthalmic Imaging
  •  Refractometry
  •  Spectacle Skills
  •  Supplemental Skills
  •  Tonometry
  •  Visual Assessment
  •  Visual Fields

 Dynamic Path / PracticeQuiz is neither affiliated with nor endorsed by the JCAHPO or any other organization.

FAQs

There are 200 questions on the Ophthalmic Technician exam divided across the following twenty two categories: History and Documentation (3%), Visual Assessment (7%), Visual Field Testing (3%), Pupil Assessment (4%), Tonometry (4%), Keratometry (3%), Ocular Motility Testing (6%), Lensometry (3%), Refraction, Retinoscopy & Refinement (5%), Biometry (5%), Supplemental Testing (2%), Microbiology (3%), Pharmacology (3%), Surgical Assisting (6%), Ophthalmic Patient Services and Education (12%), General Medical Knowledge (5%), Optics and Spectacles (5%), Contact Lenses (5%), Ophthalmic Imaging (7%), Photography and Videography (6%), Equipment Maintenance and Repair (1%), and Medical Ethics, Legal and Regulatory Issues (2%).

The Ophthalmic Technician exam takes anywhere from 3 hours and 30 minutes to 8 hours.

Earning a passing grade on the Ophthalmic Technician exam grants the test taker IJCAHPO Ophthalmic Technician certification.

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Author

Ted Chan

Ted Chan

Managing Editor

Ted Chan is the Managing Editor of PracticeQuiz.com. Ted has experience as a journalist and a writer, including editorial or content production roles at ESPN, Better Business Bureau, The Boston Globe, and Forbes. Ted holds a BA from Swarthmore College with High Honors, and a MBA from the MIT Sloan School of Management. Ted also studied at the Harvard Business School, earning a Certificate in Value-based Health Care Delivery.

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