- What the CRA Credential Actually Is
- Who Issues It and How the Board Works
- What a Certified Retinal Angiographer Does
- The Ten Weighted Content Areas
- Exam Format and Test-Day Rules
- Eligibility and the Imaging Portfolio
- Fees and Registration Mechanics
- Scoring, Results, and What Is Not Public
- Recertification Every Three Years
- Where CRAs Work
- Sequencing Your Preparation Around the Weights
- Frequently Asked Questions
- CRA means Certified Retinal Angiographer, a credential from the Ophthalmic Photographers' Society (OPS) Board of Certification.
- Fluorescein Angiography (25%) and Fundus Photography (23%) together make up 48% of the published exam weights.
- The written exam has 175 multiple-choice questions, a two-hour limit, and is delivered at Prometric test centers.
- Eligibility requires an accepted imaging portfolio, two years of verified angiography experience, and current CPR.
What the CRA Credential Actually Is
In this context, CRA stands for Certified Retinal Angiographer. It is a professional certification for ophthalmic imaging specialists who perform retinal angiography and related fundus imaging. It is not a general healthcare credential, and it is not related to any other certification that happens to share the same three letters. If you are searching for the exact wording, our explainers on what CRA stands for and CRA meaning cover the terminology in more depth.
The credential signals that a photographer or technician can capture diagnostic-quality retinal images, perform fluorescein angiography safely, manage patients during contrast procedures, and handle the data that results. Those skills sit at the center of how retina specialists diagnose and monitor conditions affecting the back of the eye. If you want a broader overview of the credential itself, see our CRA certification overview and what CRA certification involves.
Who Issues It and How the Board Works
The Certified Retinal Angiographer credential is administered by the Ophthalmic Photographers' Society (OPS) Board of Certification. The board publishes a CRA Program Guide that defines eligibility, the examination, scoring philosophy, and recertification. The current edition is version 15.1, effective June 2026, and it is the controlling source for the details in this article.
One thing worth understanding early: the guide's ten weighted content areas are the official exam objectives, built from a 2017 job analysis. They are not an optional study outline. If a topic appears in those areas, it is fair game on the exam. That makes the guide the single most important document a candidate can read, which is why our complete guide to all 10 CRA exam content areas walks through each one in detail.
What a Certified Retinal Angiographer Does
The exam objectives are drawn from a job analysis, so they mirror daily work. A CRA-level imaging specialist typically handles several categories of tasks:
- Fundus photography using a fundus camera or scanning laser ophthalmoscope, producing consistent, well-exposed, properly centered images.
- Fluorescein angiography, including preparing the patient, administering and timing the dye sequence, capturing early through late phases, and recognizing when something goes wrong.
- Indocyanine green (ICG) angiography for deeper vascular detail.
- Monochromatic imaging and fundus autofluorescence, which highlight specific retinal structures and metabolic changes.
- Patient management and safety, including recognizing and responding to reactions to contrast agents.
- Data and image management, so that images are labeled, stored, and retrievable.
The credential tests judgment as much as button-pushing. A candidate has to know why an image looks the way it does and what to adjust.
The Ten Weighted Content Areas
The exam is organized into ten weighted areas. The published weights sum to 100%, and they are not evenly distributed, which should shape how you allocate your time.
| Content Area | Weight |
|---|---|
| Fluorescein Angiography with Fundus Camera or Scanning Laser Ophthalmoscope | 25% |
| Fundus Photography - Fundus Camera and Scanning Laser Ophthalmoscope | 23% |
| Applies the Principles of the Anatomy, Physiology, and Pathology of the Eye | 16% |
| General Photography | 10% |
| Patient Management and Patient/Operator Safety | 6% |
| Monochromatic Imaging and Fundus Autofluorescence | 5% |
| Pharmacology | 5% |
| Data and Image Management | 4% |
| Indocyanine Green (ICG) Angiography | 3% |
| Other Imaging Technology | 3% |
Fluorescein Angiography (25%)
The single largest area. Expect questions on the angiographic phases, dye timing, image interpretation, technical errors, and how fluorescein behaves in normal and abnormal retinal circulation.
- Know the sequence of angiographic phases and what each should show.
- Understand hyperfluorescence and hypofluorescence patterns and what causes them.
- Be able to troubleshoot poor-quality angiograms.
- Understand differences between fundus camera and scanning laser ophthalmoscope acquisition.
Fundus Photography (23%)
The second-largest area and the foundation of everything else. This covers camera operation, alignment, exposure, field positioning, and recognizing artifacts across both fundus cameras and scanning laser ophthalmoscopes.
- Standard photographic fields and when each is used.
- Common artifacts, their causes, and their fixes.
- How patient factors such as small pupils or media opacities affect image quality.
Anatomy, Physiology, and Pathology (16%)
This is the content area that makes the rest of the exam make sense. You are expected to connect structure to function to disease, because the images you capture are only useful if you understand what they depict.
- Retinal and choroidal layers and their vascular supply.
- How common retinal diseases alter the appearance of images.
- The relationship between anatomy and what appears in each angiographic phase.
Smaller areas still matter. Pharmacology (5%) covers the agents involved in dilation and angiography, and Patient Management and Patient/Operator Safety (6%) covers reaction recognition and safe practice. With a 175-question exam, even a 3% area represents several questions. For a topic-by-topic breakdown, visit the domain-by-domain guide.
Exam Format and Test-Day Rules
The written examination is a computer-based test delivered at Prometric test centers. Here is what the guide specifies:
- 175 multiple-choice questions, each with four answer choices and one correct or best answer.
- Two-hour time limit. That works out to a little under 41 seconds per question, so pacing matters.
- Closed book. Outside references, personal calculators, and electronics are prohibited.
- Scratch paper and pencil are supplied.
- Valid government photo ID is required.
- Incorrect or blank answers simply earn no credit, so there is no extra penalty for guessing.
The guide does not separately disclose how many of the 175 questions are scored versus unscored, so do not assume every question counts. It also does not describe a current remote or adaptive delivery option, so plan on a test center. Accommodations are available through the published process.
If you are wondering how demanding this format feels in practice, our article on how hard the CRA exam is discusses difficulty in context.
Eligibility and the Imaging Portfolio
This is where the CRA differs from many other credentials: you cannot simply sit for the exam. The OPS requires several things first.
- An accepted applicant-produced imaging portfolio. You submit your own work for review.
- Verification of two years of retinal-angiography experience from your employing physician or institution.
- Current CPR, including a current in-person skills assessment.
Specified education or professional credentials can substitute for up to one year of experience. There is also a distinct Provisional CRA status for candidates who still need to complete the work-experience requirement. No mandatory OPS preparation course or universal training-hour total is verified, so the path is portfolio and experience driven rather than course driven.
Timing matters: submit your application and portfolio at least eight weeks before your desired examination date. For the full breakdown, see CRA requirements and eligibility, and for scheduling considerations, CRA exam dates and deadlines.
Key Takeaway
Start the portfolio early. Because it must be accepted before you test and the guide recommends at least eight weeks of lead time, the portfolio, not studying, is often the true bottleneck.
Fees and Registration Mechanics
The published pricing distinguishes between OPS members and non-members:
| Item | Member | Non-Member |
|---|---|---|
| Initial examination fee | $465 | $590 |
| Retest | $285 | |
| Renewal | $100 | $225 |
A few details are worth knowing. The non-member price includes an optional one-year OPS membership. The $50 non-refundable application component is already included in the initial fee, not charged on top of it. Renewal by retesting requires the examination fee without any additional recertification fee. For a deeper look at the numbers, see our CRA certification cost breakdown.
Scoring, Results, and What Is Not Public
The CRA uses a criterion-referenced Modified Angoff V competency standard with scaled reporting. In plain terms, you are measured against a defined competency standard rather than against other candidates. No current numeric cut score is publicly verified, so be skeptical of any site that quotes a specific passing percentage.
Results work like this:
- Passing candidates receive a pass notice without a numeric score.
- Failing candidates receive a scaled score and a diagnostic content-area report, which is useful for planning a retake.
- Initial score reports are provisional pending a 72-hour statistical verification, and delays are possible during exam-development cycles.
On pass rates, be careful. No current 2026 pass rate is publicly verified. Historical OPS Board of Certification reports show 537 passes among 857 tested (63%) from April 27, 1997 through July 30, 2018, but that is a long historical span, not a current first-attempt rate. Separately, the 2013 to 2018 annual reports record 9 passes in 14 written administrations in 2018, and 6 first-attempt passes among 10 individuals. Those are small counts, and the reports contain internal inconsistencies, so treat them as context rather than prediction. Our pages on the CRA pass rate and the CRA passing score explain how to interpret what is and is not known.
Recertification Every Three Years
Certification is not permanent. Three-year cycles start on January 1 of the year after certification is earned. To renew, you have two routes:
- Earn 15 CECs during the cycle, including at least five from attending official OPS or OPS BOC pre-approved courses or workshops.
- Retake the examination by the end of year three.
Some CEC categories are capped. Teaching, eligible non-OPS-approved attendance, and publication categories are each capped at ten credits, and eligible non-OPS attendance earns 0.5 CEC per hour. You submit the application with supporting evidence, and renewal costs $100 for members and $225 for non-members.
One honest caveat: the live OPS renewal pages require current CPR and accept specified American Heart Association or American Red Cross online refresher testing for renewal, while the June 2026 guide's renewal checklist omits CPR. That discrepancy exists in the sources, and it does not mean CPR was eliminated. Confirm current requirements with OPS before you renew, and do not confuse the renewal refresher provision with the in-person CPR skills assessment needed for initial certification.
Where CRAs Work
Retinal angiography happens wherever retina care is delivered. Typical employers include:
- Retina specialty practices and multi-specialty ophthalmology groups
- Hospital and university eye departments
- Academic medical centers with imaging and research programs
- Clinical research and reading centers that rely on standardized imaging
Note that your employing physician or institution plays a formal role in the credential: they verify your experience. That makes your workplace relationship part of the process. For openings and market context, see CRA jobs, and for compensation discussion, our CRA salary guide. If you are weighing the investment, is the CRA certification worth it lays out the tradeoffs.
Sequencing Your Preparation Around the Weights
Because the exam is weighted so heavily toward two areas, a smart plan front-loads them. Here is one way to sequence a roughly six-week effort, assuming you are already working in an imaging setting and your portfolio is moving.
Anatomy and Fundus Photography
- Review retinal and choroidal anatomy first, since later topics depend on it.
- Work through fundus photography technique, fields, and artifacts (23%).
Fluorescein Angiography
- Spend the most time here (25%): phases, timing, hyper- and hypofluorescence, errors.
- Pair each pattern with the pathology that produces it.
Supporting Areas
- General photography, patient safety, pharmacology, and autofluorescence.
- Cover ICG, data management, and other imaging technology as compact reviews.
Timed Practice
- Practice full-length sets against the two-hour, 175-question format.
- Use missed questions to decide where to spend remaining review time.
Practice questions are most valuable when they match the exam's four-choice, single-best-answer style. You can try that format with the CRA practice test, and our CRA study guide goes deeper on building a plan. For a last-minute refresher, the CRA cheat sheet condenses the must-know facts. If you are looking for dedicated learning resources, see CRA training. You can also explore the full set of CRA Exam Prep practice resources to build familiarity with the question style.
Key Takeaway
Nearly half the exam (48%) rests on fluorescein angiography and fundus photography. If your time is limited, mastering those two areas yields the biggest return.
Frequently Asked Questions
CRA stands for Certified Retinal Angiographer. It is a credential offered through the Ophthalmic Photographers' Society (OPS) Board of Certification for imaging specialists who perform retinal angiography and related fundus imaging. See also what a CRA is.
The written exam has 175 multiple-choice questions, each with four choices and one correct or best answer, with a two-hour time limit. It is delivered at Prometric test centers.
Fluorescein Angiography is the largest at 25%, followed by Fundus Photography at 23%. Together they account for 48% of the published weights, with Anatomy, Physiology, and Pathology next at 16%.
Not under the standard path. Eligibility requires an accepted imaging portfolio, verified experience in retinal angiography, and current CPR. Some education or credentials can substitute for up to one year of experience, and a Provisional CRA status exists for those still completing the work-experience requirement.
Certification runs on a three-year cycle. You can renew by earning 15 CECs, including at least five from official OPS or OPS BOC pre-approved offerings, or by retaking the exam before the end of year three. Renewal costs $100 for members and $225 for non-members.