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Which symptom combination is most concerning for rhegmatogenous retinal detachment?
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Sample CRT Practice Questions
Try these sample questions to test your CRT exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1A retina patient reports sudden onset of many new floaters and brief flashes in one eye. What history detail is most important to document before alerting the ophthalmologist?
A.Whether symptoms began suddenly and whether a curtain or field loss is present
B.The brand of artificial tears used during the past week
C.The patient's preferred pharmacy for future refills
D.Whether the patient has ever worn progressive lenses
Explanation: Sudden floaters, flashes, and curtain-like vision loss can suggest a retinal tear or detachment and should be documented and escalated promptly. The technician records symptoms clearly without diagnosing.
2Before an intravitreal anti-VEGF visit, which medication history is most relevant to document for the physician?
A.Use of over-the-counter reading glasses
B.Recent anticoagulant or antiplatelet use such as warfarin, apixaban, aspirin, or clopidogrel
C.Past use of topical lubricating drops only
D.Use of a multivitamin without ocular symptoms
Explanation: Blood thinner history can affect bleeding-risk discussions and should be documented before ocular procedures. The physician decides whether any change is needed.
3A patient with diabetic retinopathy asks why the clinic asks about A1c and blood pressure. How should the technician handle this during history intake?
A.Tell the patient eye findings alone determine retinopathy and systemic history is unrelated
B.Advise the patient to change diabetes medication before imaging
C.Document reported A1c, blood-pressure history, and medical follow-up because systemic control affects diabetic eye disease risk
D.Skip systemic questions because they are outside ophthalmology
Explanation: Diabetic retinopathy is influenced by glycemic and blood-pressure control, so accurate systemic history supports the ophthalmologist's assessment. The technician documents and educates within role boundaries.
4During intake for fluorescein angiography, the patient says, "I once got hives after a dye test." What is the best technician response?
A.Reassure the patient that fluorescein never causes allergic reactions
B.Proceed with the injection because hives are not relevant to angiography
C.Delete the allergy field if the patient cannot name the dye
D.Stop routine preparation, document the reaction in detail, and alert the supervising provider before dye administration
Explanation: A prior dye-associated hive reaction is clinically important and must be documented and escalated before fluorescein is administered. The supervising clinician determines whether and how to proceed.
5A patient says the right eye is blurry, but the referral note says left eye. What should the technician do first?
A.Clarify and document the patient's report, verify laterality throughout testing, and flag the discrepancy for the clinical team
B.Change the referral note to match the patient's statement without comment
C.Assume the referral is correct because it came from another office
D.Test only the left eye to avoid delaying clinic flow
Explanation: Laterality discrepancies can cause wrong-eye testing or treatment, so the technician should clarify, document, and alert the team. Both sources of information should remain visible.
6A postoperative retinal detachment patient calls 2 days after scleral buckle surgery reporting increasing pain, nausea, and halos. Which action is most appropriate?
A.Schedule the next routine appointment because halos are expected after any retina surgery
B.Record onset, severity, medications, operative eye, and immediately route the call per urgent clinic protocol
C.Tell the patient to stop all prescribed drops and call back tomorrow
D.Document only "post-op discomfort" because detailed triage is the physician's role
Explanation: Increasing pain, nausea, and halos after ocular surgery may indicate elevated intraocular pressure or another complication, requiring urgent escalation. The technician should capture precise history and follow protocol.
7Which family-history question is most relevant for a patient being evaluated for possible age-related macular degeneration?
A.Did anyone in your family wear contact lenses?
B.Do any relatives prefer bifocals over progressive lenses?
C.Have any close relatives been diagnosed with macular degeneration or central vision loss?
D.Has anyone in your family had seasonal allergies?
Explanation: Family history of macular degeneration or central vision loss is relevant because AMD risk has a hereditary component. The technician should document the response for the physician.
8A new retina patient had injections elsewhere but does not know the medication name. What is the best documentation step?
A.Enter "no prior treatment" because the drug name is unknown
B.Ask the patient to choose a drug name from a list so the chart is complete
C.Record both eyes as treated to avoid underdocumenting care
D.Document approximate dates, treated eye, indication if known, and request prior records according to office policy
Explanation: Partial but accurate treatment history is useful, and prior records can clarify medication, laterality, and response. Guessing is avoided.
9A patient scheduled for angiography nods during instructions but answers unrelatedly in another language. What should the technician do?
A.Use approved interpreter services and verify understanding before continuing with consent-related preparation
B.Ask a minor family member to translate the consent discussion
C.Proceed because nodding indicates adequate understanding
D.Skip documentation because language access is administrative, not clinical
Explanation: Patients must understand procedure-related information, so approved interpreter services should be used and documented. This protects patient safety and supports valid consent processes.
10Which review-of-systems finding should be highlighted for the ophthalmologist in a patient with new retinal hemorrhages?
A.Mild seasonal sneezing
B.Recent severe hypertension or blood-pressure medication nonadherence
C.Preference for large-print books
D.History of childhood chickenpox
Explanation: Severe hypertension can be associated with retinal vascular changes and hemorrhages, so it should be highlighted. The technician documents without assigning a diagnosis.
About the CRT Exam
The IJCAHPO Certified Retina Technician credential gives allied ophthalmic personnel a retina-specific certification. Eligibility can be met through formal retina training, current core certification plus retina-practice hours, or extensive retina-practice hours with recent retina continuing education.
Assessment
110 multiple-choice questions delivered through Pearson VUE.
Time Limit
120 minutes
Passing Score
Criterion-referenced passing standard
Exam Fee
$125 core certified; $175 non-core certified; $195 non-certified (IJCAHPO / Pearson VUE)
CRT Exam Content Outline
35%
Retina Assessment and Documentation
History, symptoms, visual function, retinal anatomy, disease recognition support, documentation, and escalation.
35%
Diagnostics and Imaging
OCT, fundus photography, angiography support, ultrasound basics, image acquisition, quality control, and patient positioning.
30%
Procedures, Safety, and Professional Boundaries
Intravitreal procedure support, aseptic technique, medication handling, patient education, adverse-event recognition, and delegated practice limits.
How to Pass the CRT Exam
What You Need to Know
- Passing score: Criterion-referenced passing standard
- Assessment: 110 multiple-choice questions delivered through Pearson VUE.
- Time limit: 120 minutes
- Exam fee: $125 core certified; $175 non-core certified; $195 non-certified
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
CRT Study Tips from Top Performers
1Pair each retinal disease pattern with the technician tasks it changes: history, imaging choice, positioning, education, and escalation.
2Review the limits of delegated ophthalmic practice because IJCAHPO certification does not authorize independent medical practice.
Frequently Asked Questions
How long is the IJCAHPO CRT exam?
IJCAHPO lists the Certified Retina Technician examination length as 120 minutes.
How many questions are on the CRT exam?
IJCAHPO lists 110 questions for the Certified Retina Technician examination.