NCLE CLRE Contact Lens Registry Exam Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the NCLE CLRE Contact Lens Registry Exam Vocabulary Game
A free word game for the NCLE CLRE Contact Lens Registry Exam exam. Each round shows a clue for one of 20 exam terms across 8 topics. Recall the term, spell it out, then read a short explanation. Rounds pick a random term, so you can keep playing as long as you like.
How to Play
- 1Read the clue and type a term with the right number of letters (3 to 6). Abbreviations count: type the letters only.
- 2Press Check Answer or Enter. Each letter changes color to show how close you are.
- 3You have 6 tries. Stuck? Need a hint? asks the AI tutor for a nudge without giving the term away, and Skip moves to a new term.
- 4After the round, read the explanation, ask the AI to explain it, share your result, or press Next.
- ARight letter, right spot
- AIn the term, wrong spot
- ANot in the term
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Topics in the NCLE CLRE Contact Lens Registry Exam Vocabulary Game
Ocular anatomy
Refractive errors
Clinical instrumentation
Prefitting evaluation
Diagnostic fitting
Lens dispensing
Follow-up care
Regulatory and administrative
Sources for these terms (17)
- Confocal Microscopy · Source checked 2026-11-04
- Canthoplasty · Source checked 2026-11-04
- Basic Histology of the Eye and Accessory Structures · Source checked 2026-11-04
- Myopia · Source checked 2026-11-04
- Slit Lamp Examination · Source checked 2026-11-04
- Optical Coherence Tomography · Source checked 2026-11-04
- Contact Lenses · Source checked 2026-11-04
- About Cleaning, Disinfecting, and Storing Contact Lenses · Source checked 2026-11-04
- PARAGON Z CRT Contact Lens Patient Labeling · Source checked 2026-11-04
- Hydrogen Peroxide-Based Contact Lens Care Products · Source checked 2026-11-04
- Contact Lens Care · Source checked 2026-11-04
- Allergic Conjunctivitis · Source checked 2026-11-04
- Corneal Dellen · Source checked 2026-11-04
- Corneal Edema · Source checked 2026-11-04
- Aponeurotic Blepharoptosis (Ptosis) · Source checked 2026-11-04
- Buying Contact Lenses · Source checked 2026-11-04
- The Contact Lens Rule: A Guide for Prescribers and Sellers · Source checked 2026-11-04
About the CLRE Exam
The CLRE is the national certification exam for contact lens technicians and fitters administered by the ABO-NCLE. It covers 8 domains including ocular anatomy, refractive errors, instrumentation, pre-fitting assessment, diagnostic fitting, dispensing, follow-up care, and regulatory/administrative procedures.
Exam sponsor: ABO-NCLE (American Board of Opticianry & National Contact Lens Examiners). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
125 questions
Time Limit
2 hours
Passing Score
Criterion-referenced passing standard set with the Modified Angoff Method
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the CLRE vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How does the CLRE vocabulary game work?
Each round shows a clue for one of 20 CLRE terms. Guess the term in six tries: green means the right letter in the right spot, yellow means the letter is in the term but in another spot, and gray means it is not in the term. After the round, read the explanation and play the next term.
Where do the CLRE terms come from?
OpenExamPrep researched each term from the ABO-NCLE (American Board of Opticianry & National Contact Lens Examiners) content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What is the CLRE exam?
The CLRE (Contact Lens Registry Examination) is the national certification exam administered by the ABO-NCLE (American Board of Opticianry & National Contact Lens Examiners) for contact lens technicians and fitters. Passing the CLRE earns the NCLE certification, which is required for contact lens dispensing licensure in many states. Over 12,370 professionals hold NCLE certification.
How many questions are on the CLRE exam?
The CLRE has 125 multiple-choice questions. A portion may not be scored and are pretested for future exams; the test specifications list 100. You have 2 hours to complete the exam. Questions cover 8 domains: Ocular Anatomy, Refractive Errors, Instrumentation, Pre-Fitting, Diagnostic Fitting, Dispensing, Follow-Up Care, and Regulatory/Administrative.