The NOCE exam is the gateway to opticianry licensure across the United States. Administered by the National Academy of Opticianry (NAO), the National Opticianry Competency Examination covers two distinct certification tracks — the ABO (American Board of Opticianry) and the NCLE (National Contact Lens Examiners) — each validating the specialized knowledge opticians need to dispense eyewear and fit contact lenses safely and accurately. Whether you are entering the field or upgrading your credentials, understanding the NOCE structure, content areas, and study strategies is essential for passing on your first attempt.
What Is the NOCE
The National Opticianry Competency Examination (NOCE) is the standard credentialing assessment for opticians in the United States. Managed by the National Academy of Opticianry (NAO), the NOCE is divided into two independent certification exams: the ABO exam administered by the American Board of Opticianry and the NCLE exam administered by the National Contact Lens Examiners board. Most states require one or both of these certifications before an optician can legally dispense eyeglasses, spectacle lenses, or contact lenses to patients.
ABO — American Board of Opticianry
The ABO exam assesses an optician's ability to interpret prescriptions, select and dispense spectacle lenses and frames, and verify finished eyewear against prescription standards. The exam consists of approximately 125 multiple-choice questions and must be completed within 2.5 hours. Content areas include ophthalmic optics, dispensing, lens products, and optical theory. ABO certification is required for spectacle dispensing licensure in the majority of U.S. states.
NCLE — National Contact Lens Examiners
The NCLE exam focuses specifically on contact lens fitting, care, and patient education. It consists of approximately 150 multiple-choice questions with a 3-hour time limit. Core domains include contact lens theory, fitting techniques, follow-up care, and ocular anatomy relevant to contact lens wear. NCLE certification is required in states that separately license contact lens dispensing and is strongly recommended for opticians who provide full-scope eyecare services.
- Questions: ~125 multiple choice
- Time Limit: 2.5 hours
- Passing Score: ~70%
- Administrator: American Board of Opticianry
- Questions: ~150 multiple choice
- Time Limit: 3 hours
- Passing Score: ~70%
- Administrator: National Contact Lens Examiners
- Education: High school diploma or equivalent
- Experience: Varies by state (typically 1–2 years)
- Application: Via NAO or state board
- Retake Policy: Waiting period after failed attempt
- National Median: ~$40,000/year
- Entry Level: $28,000–$34,000
- Experienced: $48,000–$60,000+
- Top States: CA, NY, MA, WA
ABO/NCLE Exam Content Areas
Both the ABO and NCLE exams test competency across defined content domains. Knowing the weight of each area helps you prioritize your study time:
ABO Exam Content Areas:
- Ophthalmic Optics (35%) — lens power, prism, optical principles, and prescription interpretation
- Dispensing Procedures (25%) — frame selection, adjustment, and patient fitting
- Lens Products and Treatments (20%) — lens materials, coatings, and specialty lenses
- Ocular Anatomy and Physiology (10%) — basic eye structure relevant to opticianry
- Laws and Regulations (10%) — state licensing requirements, FDA rules, and professional standards
NCLE Exam Content Areas:
- Contact Lens Theory (30%) — lens types, materials, and optics
- Patient Evaluation (20%) — ocular health assessment and candidacy screening
- Fitting Procedures (25%) — trial lens selection, over-refraction, and verification
- Patient Education and Follow-up (15%) — wear schedules, care systems, and compliance
- Special Fittings (10%) — multifocal, toric, and specialty contact lenses
Opticianry Exam Study Strategies
Structured preparation significantly improves ABO and NCLE pass rates. A focused 8–12 week study plan covering all content domains gives most candidates sufficient time to master the material without burnout.
- Use official study guides: NAO and ABO/NCLE publish reference materials aligned to exam blueprints. Start with these before supplementing with third-party resources.
- Practice calculations daily: The ABO exam includes prescription math, transposition, and prism calculations. Daily repetition builds speed and accuracy under time pressure.
- Take timed practice tests: Simulate real exam conditions with timed mock exams. Review every incorrect answer and identify which content domains need additional focus.
- Study lens product charts: Memorize common lens materials (CR-39, polycarbonate, Trivex, high-index), their indices of refraction, and appropriate applications — this content appears frequently on the ABO exam.
- Review contact lens fitting nomograms: For the NCLE, understanding how to modify base curve, diameter, and power based on fitting assessment is heavily tested.
- Join study groups: Peer discussion of clinical scenarios and optical calculations reinforces learning and surfaces gaps in knowledge.
Both the ABO and NCLE exams use a scaled scoring system. The passing threshold is approximately 70%, though NAO applies a scaled score methodology that adjusts for question difficulty across exam versions. Candidates receive a score report immediately upon completing the computer-based exam at Prometric testing centers. Those who do not pass receive a diagnostic report indicating performance by content domain, which helps guide preparation for retakes. Most states allow unlimited retake attempts, though a mandatory waiting period applies between sittings.
Career Outlook and Salary
Certified opticians enjoy stable employment prospects driven by an aging U.S. population with growing vision correction needs. According to Bureau of Labor Statistics data, the national median salary for dispensing opticians is approximately $40,000 per year, with entry-level positions typically ranging from $28,000 to $34,000. Experienced opticians with dual ABO and NCLE certification, especially those working in ophthalmology practices or specialty contact lens fitting, can earn $48,000 to over $60,000 annually. States with higher costs of living — California, New York, Massachusetts, and Washington — consistently offer above-median compensation. Opticianry offers clear advancement pathways into practice management, optical lab work, and specialty fitting roles such as orthokeratology and scleral lens fitting.
Pros
- Stable job market driven by growing vision correction demand
- Dual ABO and NCLE credentials increase earning potential and job options
- Clear career pathway with options to specialize in contact lenses or lab work
- Relatively short training period compared to other healthcare fields
- Strong patient interaction and hands-on clinical work
- Licensing recognized nationally, enabling geographic mobility
Cons
- Median salary lower than many comparable healthcare certifications
- Separate ABO and NCLE exams require additional study time and exam fees
- Continuing education required to maintain certification in most states
- State licensing requirements vary significantly, creating complexity for opticians relocating
- Limited advancement without pursuing additional credentials or management roles
NOCE Exam Questions and Answers
Do I need both the ABO and NCLE to become a licensed optician?
It depends on your state. Most states require the ABO exam for spectacle dispensing licensure. States that also regulate contact lens dispensing separately require the NCLE in addition to the ABO. Some states require both for full-scope optician licensure. Always check your specific state's optical licensing board requirements before registering for exams.
How long should I study for the ABO or NCLE exam?
Most candidates benefit from 8 to 12 weeks of structured preparation. Candidates with hands-on opticianry experience may need less time, while those newer to the field or with less math background should allow the full 12 weeks. Focus daily practice on prescription calculations for the ABO and fitting assessment scenarios for the NCLE, as these are the most heavily weighted content areas.
Where are ABO and NCLE exams administered?
Both the ABO and NCLE exams are administered at Prometric testing centers across the United States. Candidates register through NAO (National Academy of Opticianry) or directly with the ABO/NCLE boards, then schedule their exam appointment at a convenient Prometric location. Exams are computer-based and scores are reported immediately after completion.
What is the cost to take the ABO or NCLE exam?
Exam fees vary and are set by the administering boards. As of recent cycles, each exam fee is approximately $150 to $200, though fees can change. Additional fees may apply for state licensing applications. Candidates should verify current fees directly with the ABO or NCLE board when registering, as fees are subject to periodic updates.