Ophthalmic Technician

Maintained and Updated as of 2024

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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.


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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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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