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Key Facts: COMT Exam
190
Exam Questions
IJCAHPO Core Certification Criteria
180 min
Exam Time
IJCAHPO Core Certification Criteria
$340
Exam Fee
IJCAHPO fee schedule (1 MC + 1 skill attempt)
36 mo
Certification Validity
36 IJCAHPO CE credits to recertify
188
Practice Questions Here
OpenExamPrep question bank
The IJCAHPO COMT multiple-choice examination has 190 questions and a 180-minute limit, delivered at Pearson VUE test centres. Full certification also requires the computer-simulated COT Skill Evaluation (7 tasks, 120 minutes) and COMT Performance Test (5 tasks, 60 minutes). Five eligibility pathways (COMT-TG1 to COMT-TG5) run through an ICA-accredited Medical Technologist program, current COT certification, or current orthoptist certification. Ocular motility testing is the single heaviest content area at 12%. Certification renews every 36 months with 36 IJCAHPO continuing education credits.
Sample COMT Practice Questions
Try these sample questions to review concepts for the COMT exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 188+ question experience with AI tutoring.
1During fluorescein angiography, the dye is injected into which vessel?
2What is the most common adverse reaction to intravenous fluorescein dye?
3Which electrophysiology test measures the electrical response of the entire retina to light stimulation?
4In fluorescein angiography, hyperfluorescence due to dye leakage from abnormal vessels is most characteristic of:
5Which imaging modality uses indocyanine green (ICG) dye to primarily evaluate the choroidal vasculature?
6ICG angiography is contraindicated in patients with allergy to:
7The visual evoked potential (VEP) test primarily evaluates the function of which structure?
8In ophthalmic ultrasonography, what does the A-scan mode display?
9Which contact lens material has the highest oxygen permeability?
10Which parameter is most critical when fitting a rigid gas permeable (RGP) contact lens?
About the COMT Exam
The COMT is the advanced core IJCAHPO credential for allied ophthalmic personnel. Certification requires passing a 190-question, 180-minute multiple-choice examination at a Pearson VUE test centre plus two computer-simulated practical examinations: the 7-task COT Skill Evaluation and the 5-task COMT Performance Test. The written exam spans 22 content areas, led by ocular motility testing (12%), ophthalmic imaging (9%), patient services and education (8%), photography and videography (8%), and contact lenses (7%). COMTs work in ophthalmology practices, academic medical centres and research institutions performing advanced diagnostic testing, refraction, specialty lens fitting and surgical assisting.
Exam sponsor: IJCAHPO / Pearson VUE test centres. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
190 multiple-choice questions, plus the 7-task COT Skill Evaluation and the 5-task COMT Performance Test
Time Limit
180 minutes
Passing Score
Scaled passing score (criterion-referenced); IJCAHPO does not publish the cut score
Exam / Certification Fees
$340 for one multiple-choice examination plus one skill attempt
Exam sponsor websiteReported exam pass rate: Not publicly disclosed by IJCAHPO. IJCAHPO does not publish pass rate data Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
History and Documentation
Ocular, medical, medication, social, and family history taking and accurate chart documentation.
Visual Assessment
Distance and near acuity at every level (counting fingers to no light perception), special populations, pinhole, stereoacuity, near point of accommodation and convergence, AC/A ratio, magnification calculation, and low vision devices.
Visual Field Testing
Amsler grid, confrontation fields, automated static perimetry, and Goldmann kinetic perimetry.
Pupil Assessment
Measuring, comparing, and evaluating pupil size, shape, reactivity, and relative afferent pupillary defect.
Tonometry
Applanation tonometry, hand-held applanators, non-contact tonometry, and tonometer cleaning and disinfection.
Keratometry
Automated and manual keratometry.
Ocular Motility Testing
Versions, ductions, muscle functions and anomalies, near point convergence and accommodation, fusional convergence amplitudes, cover tests, prism measurement of strabismus, Worth 4-Dot, Maddox rod, Krimsky, stereoacuity, nystagmus, amblyopia therapy, and convergence training.
Lensometry
Automated and manual neutralisation of spectacles, Fresnel prism, ground-in prism, slab-off, and the Geneva lens clock.
Refraction, Retinoscopy and Refinement
Autorefraction, retinoscopy, refinement of sphere and cylinder in plus or minus cylinder, fogging, duochrome, binocular balance, vertex distance, transposition, spherical equivalent, and near add determination.
Biometry
Diagnostic/standardised A-scan and B-scan echography.
Supplemental Testing
Glare testing, potential acuity meter, slit lamp and slit lamp lenses, direct ophthalmoscopy, colour vision plates and specialised colour tests, pachymetry, anterior chamber depth, OCT and scanning laser testing, tear tests, contrast sensitivity, head and posture assessment, exophthalmometry, wavefront diagnostics, fusional amplitudes, Maddox rod, corneal sensitivity, fluorescein and ICG angiography phases, and identification of ERG, VEP, and EOG.
Microbiology
Types of microorganisms, pathways of disease transmission, assisting with conjunctival and corneal specimen collection, and Universal Precautions.
Pharmacology
Drug delivery routes, prescription components, drop and ointment instillation, and the indications, contraindications, and side effects of mydriatics, cycloplegics, glaucoma drugs, anti-infectives, allergy medications, steroids, NSAIDs, lubricants, anaesthetics, diagnostic agents, nutritional supplements, and anti-neovascular drugs.
Surgical Assisting
Instrument preparation and maintenance, aseptic technique, sterilisation, surgical site identification, refractive surgery, non-refractive laser therapy, YAG laser, intraocular injections, and laser safety.
Ophthalmic Patient Services and Education
Communication, care of diverse populations, patient education and counselling, dressings and shields, prosthetic and lens care instruction, urgency-based scheduling, first aid for acute ophthalmic emergencies, vital signs, CPR, charting, and patient flow.
General Medical Knowledge
Ocular anatomy and physiology, body systems, eye diseases by structure, ocular manifestations of systemic disease, cranial nerves III to VII, the visual pathway, medical terminology and abbreviations, and hazardous waste safety.
Optics and Spectacles
Cylinder transposition, prescriptions, vertex distance measurement and conversion, the Geneva lens clock, and progressive lens markings.
Contact Lenses
Lens types, wearing schedules, care systems, follow-up, contraindications and symptoms, fitting soft, rigid, toric, and bifocal lenses, and specialty lenses for irregular corneas, post-transplant eyes, keratoconus, cosmetic/prosthetic use, and bandage wear.
Ophthalmic Imaging
Fluorescein angiography, corneal topography, and scanning laser testing for glaucoma and retina (HRT, OCT).
Photography and Videography
Slit lamp and anterior segment photography, fundus photography, and external photography.
Equipment Maintenance and Repair
Changing instrument batteries, maintaining and calibrating equipment per manufacturer recommendations, emergency equipment, cleaning lenses and prisms, and supply inventory.
Medical Ethics, Legal and Regulatory Issues
Coding, government and institutional rules, quality assurance, ethical and legal standards, scribing, confidentiality, and informed consent.
Preparing for the COMT Exam
What You Need to Know
- Passing score: Scaled passing score (criterion-referenced); IJCAHPO does not publish the cut score
- Assessment: 190 multiple-choice questions, plus the 7-task COT Skill Evaluation and the 5-task COMT Performance Test
- Time limit: 180 minutes
- Exam / certification fees: $340 for one multiple-choice examination plus one skill attempt Official sources
Using Our Practice Resources
- Work through all 188 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
COMT: Suggested Study Strategy
Frequently Asked Questions
What is the COMT exam?
The COMT (Certified Ophthalmic Medical Technologist) is the advanced core certification from IJCAHPO. The written component is a 190-question, 180-minute multiple-choice examination delivered at Pearson VUE test centres. Full certification also requires passing the computer-simulated COT Skill Evaluation and the COMT Performance Test.
What are the prerequisites for the COMT exam?
IJCAHPO publishes five pathways. COMT-TG1 and COMT-TG2 are for graduates of an ICA-accredited Medical Technologist training program. COMT-TG3 requires current COT certification plus 6,000 hours worked as a COT within the previous 60 months. COMT-TG4 is for current Certified Orthoptists with 4,000 hours. COMT-TG5 is a fast track for current COTs with 3,000 certified hours plus 6,000 non-certified hours.
How much does the COMT exam cost?
IJCAHPO charges $340 for one multiple-choice examination plus one skill attempt, $290 for a first retest and $150 for a second. The initial COMT Performance Test is $110 and a Performance Test retest is $85. Recertification costs $125 every 36 months.
What is the difference between COT and COMT?
Both are core IJCAHPO credentials with 180-minute written exams, but the COT exam has 200 questions and the COMT exam has 190. The COMT blueprint shifts weight toward advanced skills: ocular motility testing rises from 6% to 12%, contact lenses from 5% to 7%, ophthalmic imaging from 7% to 9%, and photography and videography from 6% to 8%. COMT candidates also complete the COMT Performance Test in addition to the COT Skill Evaluation.
What are the most important topics on the COMT exam?
Ocular motility testing is the single largest content area at 12%. Ophthalmic imaging (9%), ophthalmic patient services and education (8%), photography and videography (8%) and contact lenses (7%) follow. Together those five areas account for 44% of the 190 scored items.