- The Short Answer: What a DACVO Actually Is
- Who Awards the Credential
- The Path to the Title
- The Four Assessed Parts
- How the Multiple-Choice Blueprint Is Built
- Logistics, Fees and Scheduling
- What the Credentialing Reports Show
- Keeping the Title After You Earn It
- Sequencing Your Preparation Around the Exam's Design
- Where Diplomates Work
- Frequently Asked Questions
- DACVO means Diplomate, American College of Veterinary Ophthalmologists, a specialty credential certified through the American Board of Veterinary Ophthalmology...
- Certification requires passing four parts: Image Recognition, Multiple Choice, Extraocular Surgery and Intraocular Surgery. Only failed parts are repeated.
- The 250-question Multiple Choice exam is 50% Canine, 20% Feline, 20% Equine, 5% Lab Animals and 5% Other Animals.
- Surgical practicals are held in person at the University of Florida using cadaver eyes, with a rubric passing point of 70.
The Short Answer: What a DACVO Actually Is
A DACVO is a veterinarian who has completed approved residency training in ophthalmology and passed a multi-part certifying examination to become a Diplomate of the American College of Veterinary Ophthalmologists. The title signals board-certified specialist status in animal eye disease: medical management, diagnostics, and microsurgery of the eye, adnexa and orbit across companion animals, horses, laboratory species and a range of other animals.
This article covers that credential specifically. The same letters can appear in other professional contexts, but everything below concerns the veterinary ophthalmology specialty. If you are still sorting out terminology, our companion explainers cover the basics from several angles: what DACVO stands for, DACVO meaning, and what DACVO certification is.
Who Awards the Credential
Two organizations are involved, and candidates often blur them together. The American College of Veterinary Ophthalmologists (ACVO) is the specialty college whose members hold the title. The American Board of Veterinary Ophthalmology (ABVO) administers credentialing, the certification examinations and maintenance of certification. When you read exam policies, fee notices and blueprint documents, they come from ABVO; when you read about the college's mission and membership, that is ACVO.
The Fall 2026 ABVO credentialing report also announces that the Residency Committee is migrating to ACVO and that policy revisions are in progress. No replacement published requirements had been retrieved at the time of writing, so candidates should treat the currently posted ABVO documents as the operative rules and check for updates before applying.
The Path to the Title
The route to the exam is long, and it is structured. Under the March 3, 2026 Policies and Procedures, an applicant needs:
- A veterinary degree and licensure in good standing, or an applicable institutional exemption.
- At least 12 months of full-time clinical practice before residency.
- An approved residency of at least 36 months, including 104 weeks (520 days) of clinical ophthalmology training, with at least 80% of that time under direct supervision.
Documentation is extensive: species/case logs and surgery logs, evaluations, and Supervising Diplomate forms. Residency training also carries recurring obligations, including 12 hours of histopathology annually and two hours of literature review monthly. Candidates must hold approved credentials before sitting the examination.
The Four Assessed Parts
The certifying examination is not a single test. The Policies and Procedures identify four assessed parts, and the October 2025 Nature and Scope document groups the two surgical sections under "Practical." All four must be passed, and only unsuccessful parts are repeated.
| Part | Format | Key Details |
|---|---|---|
| Image Recognition (IR) | Images with structured short answers | Three sections: Orbit and Adnexa, Anterior Segment, Lens and Posterior Segment; questions randomized across sections |
| Multiple Choice (MC) | 250 single-best-answer questions | Two sections of 125; one correct answer and three distractors per question |
| Practical: Extraocular Surgery | Cadaver eye, hands-on | Corneo-conjunctival transposition; 50 minutes including setup |
| Practical: Intraocular Surgery | Cadaver eye, hands-on | Extracapsular lens extraction; 50 minutes including setup |
Image Recognition
IR tests visual pattern recognition under time pressure. Candidates view images and give structured short answers rather than choosing from options. The October 2025 FAQ specifies 2.5 hours per section, 7.5 active hours in total, while Nature and Scope and the Policies and Procedures describe approximately 2 to 2.5 hours per section. Plan for the longer figure and verify the timing in your candidate materials. Importantly, IR images are not limited to the 2019-2025 journal window used for MC references, so image banks and clinical exposure matter more than a reading list here.
Multiple Choice
MC has 250 questions split into two sections of 125, with 3.5 hours per section and a one-hour break between them. That is seven active hours of testing. The eight disciplines assessed are anatomy/embryology, physiology, neuro-ophthalmology, surgery, pharmacology, pathology, medical ophthalmology and diagnostics. For the 2026 cycle, journal references cover 2019-2025 using online/ePub dates.
The Two Surgical Practicals
The practicals are the part most candidates fear. Each allows 50 minutes including setup and uses cadaver eyes. The intraocular exercise is an extracapsular lens extraction; the extraocular exercise is a corneo-conjunctival transposition. Candidates supply their own required instruments and consumables, so equipment preparation is part of the assessment. Each surgical rubric sets a passing point of 70. The candidate rubrics (updated October 2024 and currently linked for 2026) are the primary study documents for these sections.
Key Takeaway
Because each part is scored and repeated independently, a failed practical does not force you to re-sit the written exams. That structure rewards treating the four parts as four distinct preparation projects rather than one blended effort. For difficulty context, see how hard the DACVO exam is.
How the Multiple-Choice Blueprint Is Built
The Exam Specification Blueprint (the currently linked file is titled ACVO blueprint 2020, with no newer printed revision date) organizes the MC exam by species category. These five domains are examination blueprint headings, not a preparation curriculum, and their percentages apply only to the MC exam, not to the whole certification.
Domain 1: Canine (50%)
The largest allocation: 125 of 250 questions. Canine content is subdivided by anatomical region and organ system.
- Regions: Adnexa, Anterior Segment, Posterior Segment
- Subdivisions: Cornea, Iris/ciliary body, Glaucoma, Lens
- Tasks: Examination, Assessment, Treatment Planning
Domain 2: Feline (20%)
50 questions, using the same regional and task framework as canine content.
Domain 3: Equine (20%)
50 questions, again organized by Adnexa, Anterior Segment and Posterior Segment, with equine-specific disease presentations and treatment constraints.
Domain 4: Lab Animals (5%)
12 questions covering laboratory species.
Domain 5: Other Animals (5%)
13 questions. This category includes food and fiber animals, avian, marine and other exotic species.
A common mistake is treating the within-species anatomical percentages as whole-exam weights. They are not. A subdivision such as Glaucoma within Canine is a slice of the canine allocation, not of the full 250 questions. For a deeper breakdown, read our complete guide to all five DACVO exam domains.
Logistics, Fees and Scheduling
Where and how you test
Written examinations (IR and MC) are delivered through ExamSoft/Examplify at candidate-selected, approved remote locations with local in-person proctors. You provide a compatible laptop and must complete a software practice examination, which is explicitly not representative of exam content. It tests your technical setup, not your readiness. Practical examinations are held in person at the University of Florida in Gainesville.
The 2026 calendar
In 2026, the IR and MC examinations took place on July 20 and July 21, respectively, and the surgical practicals ran July 27-31. The Fall 2026 report provisionally schedules remote MC/IR examinations for July 19-20, 2027, without assigning individual parts to those dates, and the practical examination at the University of Florida in the week of July 27. See the DACVO exam dates guide for scheduling detail.
2026 fees
| Item | 2026 Amount |
|---|---|
| Fee per assessed part | USD 750 |
| All four parts | USD 3,000 |
| Certifying Examination Application fee (separate) | USD 100 |
| Provisional Resident Application (separate) | USD 150 |
What the Credentialing Reports Show
ABVO publishes annual credentialing reports. The Fall 2026 report (October 1, 2026) states that 21 candidates completed certification among 49 participating in some portion of the examination, a combined completion rate of 42.9%. First-time and repeat-candidate rates are reported as 50% and 33.3%. Its MC row contains an inconsistent candidate-count/percentage pairing, so it should not be used to reconstruct a component pass count.
For historical comparison, the Fall 2025 report published a combined rate of 63.8%, with first-time candidates at 61.8% and repeat candidates at 66.7%. Component rates that year were:
- Image Recognition: 78.7%
- Multiple Choice: 82.6%
- Intraocular surgery: 83.3%
- Extraocular surgery: 77.8%
The Fall 2025 overall denominator does not reconcile to an integer pass count, so treat these as reported historical percentages rather than counts. They are not a substitute for 2026 results, and year-to-year swings in a small candidate pool are expected. For the full discussion, see the DACVO pass rate data and the explanation of how passing scores work.
On scoring: MC and IR passing points are set using Angoff and Hofstee procedures, which means the threshold reflects expert judgment about minimum competence rather than a fixed percentage. Each surgical rubric gives a passing point of 70.
Keeping the Title After You Earn It
Maintenance of certification (MOC) is mandatory for Diplomates first certified in 2015 or later. It requires at least 300 approved, verifiable MOC credits every five years, plus professional good standing. Credits span education, scholarship, service and rounds. They should not be equated with 300 continuing-education contact hours, since credit values depend on the activity category.
Diplomates certified before 2015 may participate voluntarily. The Fall 2026 report describes a future attestation-and-audit process with policy details still being finalized; it does not establish replacement credit requirements, so the 300-credit rule remains the documented standard for now.
Sequencing Your Preparation Around the Exam's Design
This is the only methodology section in this article, and it is tied directly to how the exam is built. Because the four parts have different formats and different source material, a sensible plan stages them rather than blending them. A simple sequence:
Canine Core and Blueprint Mapping
- Canine is half of MC, so build depth here first: cornea, lens, glaucoma, and posterior segment disease.
- Map the eight MC disciplines against the 2019-2025 reference list.
Feline and Equine, Plus Image Banks
- Feline and equine together equal 40% of MC; study species-specific differences in presentation and treatment.
- Start daily image review for IR across Orbit and Adnexa, Anterior Segment, and Lens and Posterior Segment.
Practical Rehearsal and Small Domains
- Rehearse the corneo-conjunctival transposition and extracapsular lens extraction against the candidate rubrics, timing yourself to 50 minutes including setup.
- Cover Lab Animals and Other Animals (25 questions combined) efficiently, including avian, marine and food/fiber species.
For a fuller plan, see the DACVO study guide and the one-page DACVO cheat sheet. To test your recall of exam-style questions, use the DACVO practice test platform, and keep in mind that the ExamSoft practice exam tests software familiarity only.
Key Takeaway
The small domains are small by weight but not by difficulty: Lab Animals and Other Animals total only 25 of 250 questions, yet exotic and food-animal ophthalmology is unfamiliar to many canine-focused trainees. A little targeted review there can recover points cheaply.
Where Diplomates Work
Board-certified veterinary ophthalmologists typically practice in referral and specialty hospitals, university teaching hospitals, and multispecialty centers, where they receive cases referred by primary-care veterinarians. Others work in academia, combining clinical service with teaching and research, or in industry and laboratory-animal settings, reflecting the exam's inclusion of laboratory and exotic species. Specific earnings vary widely by setting, region and practice model; see the DACVO salary guide and the DACVO jobs overview for qualitative context, and the ROI analysis if you are weighing the investment.
Frequently Asked Questions
It stands for Diplomate, American College of Veterinary Ophthalmologists. It identifies a veterinarian who completed an approved ophthalmology residency and passed the ABVO certifying examination.
Four assessed parts: Image Recognition, Multiple Choice, Practical Extraocular Surgery and Practical Intraocular Surgery. All four must be passed, and only unsuccessful parts are repeated.
Of 250 questions, Canine has 125 (50%), Feline and Equine have 50 each (20% each), Lab Animals has 12 and Other Animals has 13. These weights apply only to the MC exam.
In person at the University of Florida in Gainesville, using cadaver eyes. Candidates supply their own required instruments and consumables, and each surgical assessment allows 50 minutes including setup.
Yes if you were first certified in 2015 or later: at least 300 approved, verifiable MOC credits every five years plus professional good standing. Earlier Diplomates may participate voluntarily.
If you want to see how the credential connects to related topics, our overviews of DACVO certification, what DACVO is and what DACVO means offer additional entry points, and the main practice test site is the place to start drilling exam-style questions.