100+ Free Arab Board Ophthalmology Clinical & Oral Practice Questions

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Sample Arab Board Ophthalmology Clinical & Oral Practice Questions

Try these sample questions to test your Arab Board Ophthalmology Clinical & Oral exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A 72-year-old patient with pseudoexfoliation syndrome undergoes phacoemulsification. Upon hydrodissection, the lens nucleus tilts and the anterior chamber suddenly deepens superiorly with phacodonesis. Which intraoperative device is most appropriate to stabilize the capsular bag before attempting nuclear emulsification?

A.Standard single-piece polymethyl methacrylate (PMMA) capsular tension ring

B.Capsular tension segment (CTS) or iris hooks supported by a scleral suture

C.Anterior chamber maintainer at maximum bottle height

D.Direct implantation of a 3-piece foldable IOL into the ciliary sulcus

Explanation: Zonular dialysis with nuclear tilt and chamber deepening indicates focal severe zonular dehiscence (>3-4 clock hours). A capsular tension segment (CTS) or capsular hooks provide localized vertical and horizontal support during phacoemulsification without trapping cortex like a standard CTR. A standard CTR redistributes equatorial forces but cannot resist vertical phaco forces and is difficult to place before cortex removal.

2During quadrant removal in a routine cataract surgery, the posterior capsule ruptures with vitreous presenting into the anterior chamber. The nuclear fragment is still present in the anterior chamber. What is the most appropriate immediate sequence of surgical actions?

A.Immediately pull the phaco tip out of the eye and insert an anterior vitrectomy cutter

B.Lower the infusion bottle, inject a dispersive ophthalmic viscosurgical device (OVD) under the nuclear fragment, and withdraw the phaco tip under viscoelastic control

C.Raise the infusion bottle to maintain anterior chamber depth and accelerate phacoemulsification of the remaining fragment

D.Perform high-vacuum automated aspiration to clear the vitreous before addressing the lens fragment

Explanation: Sudden withdrawal of the phaco handpiece causes sudden chamber collapse, drawing the vitreous forward and dropping the nuclear fragment into the vitreous cavity. The surgeon must lower the bottle, inject dispersive viscoelastic through the side port behind the nucleus to scaffold the fragment and seal the break, and only then withdraw the phaco tip. Anterior vitrectomy is subsequently performed using a bimanual closed-chamber technique.

3On postoperative day 1 after uneventful phacoemulsification, a patient presents with marked limbal-to-limbal corneal edema, 4+ anterior chamber cells with a sterile hypopyon, and an intraocular pressure of 32 mmHg. The patient reports minimal pain and intact light perception. Which feature best distinguishes Toxic Anterior Segment Syndrome (TASS) from infectious acute postoperative endophthalmitis?

A.Onset within 12 to 24 hours postoperatively and limbal-to-limbal corneal edema with preserved vitreous clarity

B.Onset between 3 to 7 days postoperatively with severe ocular pain

C.Marked vitreous opacities with dense cellular debris on B-scan ultrasonography

D.Rapid clinical improvement following intravitreal vancomycin and ceftazidime

Explanation: TASS is a sterile, non-infectious inflammatory reaction typically presenting within 12-24 hours of anterior segment surgery, characterized by limbal-to-limbal corneal edema (endothelial toxicity), high IOP from trabeculitis, and a clear vitreous cavity. In contrast, bacterial endophthalmitis usually presents 3-7 days postoperatively with prominent pain, progressive vitreitis, and loss of the red reflex.

4A 60-year-old patient who had bilateral LASIK for high myopia (-7.00 D) 15 years ago is scheduled for cataract surgery. If standard third-generation IOL power calculation formulas (e.g., SRK/T or Hoffer Q) are used without post-refractive adjustments, what refractive outcome will most likely occur?

A.Severe myopic surprise due to overestimation of corneal refractive power

B.Severe hyperopic surprise due to overestimation of corneal refractive power

C.Severe hyperopic surprise due to underestimation of effective lens position (ELP)

D.Emmetropia because axial length is unchanged

Explanation: After myopic LASIK, keratometers measure the paracentral steeper cornea and use a standard keratometric index (1.3375) that overestimates true corneal power, leading to an underpowered IOL calculation and an unexpected postoperative hyperopic surprise. Modern post-refractive formulas (Barrett True-K, Haigis-L, Shammas-no-history) or OCT-based ray tracing prevent this error.

5A 68-year-old male with benign prostatic hyperplasia treated with tamsulosin undergoes cataract extraction. What triad of intraoperative signs defines Intraoperative Floppy Iris Syndrome (IFIS)?

A.Flaccid iris stroma, progressive intraoperative pupillary constriction, and iris prolapse toward phaco incisions

B.Iris atrophy, fixed dilated pupil, and pseudoexfoliation flakes at the pupillary margin

C.Zonular dehiscence, vitreous prolapse, and hyphema

D.Anterior capsule contraction, capsular phimosis, and posterior synechiae

Explanation: IFIS, caused by alpha-1A adrenergic receptor antagonists such as tamsulosin, is defined by the triad of: (1) a flaccid iris stroma that undulates with fluid currents, (2) progressive intraoperative miosis despite pre-op mydriatics, and (3) a marked propensity for the iris to prolapse into surgical incisions. Preoperative identification allows prophylaxis with intracameral epinephrine, cohesive OVD (Healon5), or pupil expansion devices.

6A 55-year-old patient presents with a dense posterior polar cataract. Slit-lamp biomicroscopy reveals a dense central circular plaque attached to the posterior capsule. Which surgical technique is contraindicated during phacoemulsification in this patient?

A.Gentle cortical hydrodelamination separating the core epinucleus from the cortex

B.Vigorous hydrodissection with fluid wave propagating across the posterior capsule

C.Performing a smaller capsulorhexis to allow sulcus IOL capture if the capsule ruptures

D.Injecting viscodispersive agent before withdrawing the phaco tip

Explanation: In posterior polar cataracts, the central posterior capsule is congenitally fragile, thinned, or absent in up to 25-35% of cases. Vigorous hydrodissection creates high hydraulic pressure against the adherent posterior plaque, blowing open the posterior capsule and dropping the nucleus. Instead, careful hydrodelamination is performed without hydrodissection, leaving an epinuclear bowl to cushion the posterior capsule.

7During continuous curvilinear capsulorhexis (CCC) in an intumescent white mature cataract, the rhexis edge suddenly vectors outward toward the lens equator (Argentinian flag sign). Which maneuver is most effective to redirect the torn capsular flap back toward the center (Little maneuver)?

A.Pull the capsular flap radially toward the limbus with maximum forward force

B.Decompress the anterior chamber with a paracentesis to lower anterior pressure

C.Refill the anterior chamber with high-viscosity cohesive OVD and pull the flap flat along the capsule plane backwards toward the center of the lens

D.Convert immediately to a manual can-opener capsulotomy

Explanation: When a capsulorhexis tears peripherally due to high intralenticular pressure, the Little maneuver is performed: the anterior chamber is refilled with a heavy cohesive OVD to flatten the anterior lens curvature, and the capsular flap is grasped at its root and pulled backward in the plane of the capsule directed toward the center of the pupil. Radial pulling further extends the tear into the zonules.

8A patient who underwent uncomplicated cataract surgery 3 weeks ago presents with a toric IOL that has rotated 30 degrees away from the intended steep corneal meridian. Corneal topography confirms regular with-the-rule astigmatism. What is the most appropriate management?

A.Perform Nd:YAG laser posterior capsulotomy immediately to lock the lens in place

B.Surgical repositioning of the toric IOL back to the target axis under viscoelastic control

C.Prescribe topical pilocarpine 2% indefinitely to induce pupillary miosis

D.Perform a corneal relaxing incision at the opposite axis without touching the IOL

Explanation: For every 1 degree of toric IOL misalignment, approximately 3.3% of the cylindrical correction is lost; at 30 degrees of rotation, 100% of the cylinder power is lost, and an unwanted oblique cylinder is induced. Early surgical repositioning (ideally within 1-4 weeks before capsular fusion) is the definitive, safe treatment. Nd:YAG capsulotomy is strictly contraindicated because it precludes easy surgical rotation.

9On postoperative day 3 following phacoemulsification, a patient presents with sudden severe ocular ache, shallow anterior chamber centrally and peripherally, and an intraocular pressure of 44 mmHg. A patent peripheral iridotomy is present on slit-lamp examination. What is the primary diagnosis and initial medical management?

A.Pupillary block glaucoma; perform emergency surgical iridectomy

B.Aqueous misdirection (malignant glaucoma); administer cycloplegics (atropine), aqueous suppressants, and systemic hyperosmotics

C.Choroidal detachment; discontinue all topical medications and observe

D.Steroid-induced ocular hypertension; taper topical prednisolone acetate

Explanation: Aqueous misdirection (malignant glaucoma) is characterized by uniform shallowing of both the central and peripheral anterior chamber with elevated IOP in the presence of a patent peripheral iridotomy. The initial medical management is cycloplegia with topical atropine 1% (to pull the ciliary body-lens diaphragm posteriorly), aqueous suppressants, and intravenous mannitol. Miotics (pilocarpine) are strictly contraindicated because they worsen anterior displacement.

10A 65-year-old patient presents 1 week after cataract surgery with a foreign-body sensation. Slit-lamp examination reveals a flat anterior chamber, an intraocular pressure of 4 mmHg, and a positive Seidel test with aqueous streaming from the clear corneal incision under cobalt blue light. What is the most appropriate initial management?

A.Apply a large-diameter bandage contact lens and pressure patch with aqueous suppressants, or place a 10-0 nylon suture if wound gaping is significant

B.Administer topical prostaglandin analogs and schedule for Nd:YAG capsulotomy

C.Perform emergency pars plana vitrectomy with silicone oil endotamponade

D.Prescribe topical pilocarpine 4% four times daily

Explanation: A positive Seidel test indicates an active wound leak causing postoperative hypotony and shallow anterior chamber. Initial management for small leaks includes a bandage contact lens, aqueous suppressants (to reduce flow through the wound), and close monitoring; large gaping wounds or persistent leaks require immediate surgical resuturing with 10-0 nylon to prevent endophthalmitis and peripheral anterior synechiae.

About the Arab Board Ophthalmology Clinical & Oral Exam

The Arab Board Ophthalmology Final Clinical and Oral Examination is the exit qualifying assessment conducted by the Scientific Council of Ophthalmology under the Arab Board of Health Specializations (ABHS). It evaluates senior ophthalmology trainees across clinical examination skills (slit-lamp biomicroscopy, gonioscopy, indirect ophthalmoscopy, motility), multimodal imaging interpretation (OCT, fluorescein angiography, perimetry, topography), surgical decision-making, and structured oral viva case defenses.

Assessment

Multi-station objective structured clinical examination (OSCE) including patient examination (slit lamp, gonioscopy, funduscopy, motility), diagnostic imaging interpretation (OCT, FFA, perimetry, topography), and structured oral viva stations covering surgical management and complications.

Time Limit

Approximately 2 to 3 hours

Passing Score

~60% overall across clinical, imaging, and oral viva stations

Exam Fee

Set by ABHS and national councils (Arab Board of Health Specializations (ABHS) - Scientific Council of Ophthalmology)

Arab Board Ophthalmology Clinical & Oral Exam Content Outline

12%

Cataract & Anterior Segment Surgery

Surgical planning, phacoemulsification techniques, posterior capsule rupture management, IOL power calculation formulas, and anterior segment complications.

12%

Glaucoma & Gonioscopy

Gonioscopic angle grading, medical and surgical glaucoma management (trabeculectomy, tube shunts, MIGS), visual field perimetry interpretation, and optic disc evaluation.

16%

Medical & Surgical Retina

Rhegmatogenous retinal detachment, diabetic retinopathy, retinal vascular occlusions, macular holes, AMD management, and intravitreal pharmacotherapy.

12%

Cornea, External Disease & Refractive Surgery

Infectious keratitis (bacterial, viral, fungal, acanthamoeba), corneal dystrophies, keratoconus, keratoplasty (PKP, DALK, DSAEK, DMEK), and refractive surgery.

12%

Neuro-Ophthalmology & Visual Pathways

Cranial nerve palsies (III, IV, VI), optic neuropathies (ischemic, demyelinating, compressive), papilledema, pupillary abnormalities (RAPD, Horner, Adie), and visual pathway lesions.

10%

Pediatric Ophthalmology & Strabismus

Esotropia, exotropia, amblyopia management, congenital cataracts, Duane syndrome, Brown syndrome, retinoblastoma, and pediatric surgical planning.

Uveitis & Ocular Inflammation

Anterior, intermediate, posterior, and panuveitis diagnosis, HLA-B27, VKH, Behçet disease, sympathetic ophthalmia, infectious uveitis, and systemic immunosuppression.

Oculoplastics, Orbit & Ophthalmic Pathology

Orbital cellulitis, orbital tumors, thyroid eye disease, blowout fractures, eyelid malpositions (ptosis, ectropion, entropion), and eyelid neoplasms.

Ophthalmic Diagnostics & Multimodal Imaging

Optical coherence tomography (OCT), fundus fluorescein angiography (FFA), indocyanine green angiography (ICGA), corneal topography, and B-scan ultrasonography.

Surgical Decision-Making & Trauma Viva

Open globe injury repair, chemical burns, hyphema, orbital compartment syndrome, and structured clinical oral viva case scenarios.

How to Pass the Arab Board Ophthalmology Clinical & Oral Exam

What You Need to Know

Passing score: ~60% overall across clinical, imaging, and oral viva stations
Assessment: Multi-station objective structured clinical examination (OSCE) including patient examination (slit lamp, gonioscopy, funduscopy, motility), diagnostic imaging interpretation (OCT, FFA, perimetry, topography), and structured oral viva stations covering surgical management and complications.
Time limit: Approximately 2 to 3 hours
Exam fee: Set by ABHS and national councils

Keys to Passing

Work through all 100 available questions
Review every answer and explanation
Track weak areas and revisit them
Use our AI tutor for tough concepts

Arab Board Ophthalmology Clinical & Oral Study Tips from Top Performers

1Systematize your slit-lamp and funduscopic descriptions using structured oral exam terminology (e.g., location, depth, size, color, margins, associated anterior chamber and vitreous reaction).

2Master step-by-step algorithms for surgical emergencies, particularly the management of posterior capsular rupture, choroidal effusion vs suprachoroidal hemorrhage, and acute orbital compartment syndrome.

3Practice multimodal diagnostic slide interpretation under time constraints, focusing on correlating OCT biomarker layers, fluorescein angiography transit phases, and automated visual field reliability indices with clinical findings.

Frequently Asked Questions

What is the format of the Arab Board Ophthalmology Final Clinical and Oral Exam?

The examination is conducted as an objective structured clinical examination (OSCE) combined with structured oral viva stations. Candidates rotate through clinical patient examination stations (slit lamp, gonioscopy, direct/indirect ophthalmoscopy, motility), diagnostic imaging interpretation stations (OCT, FFA, topography, perimetry), and oral viva stations with senior examiners discussing surgical management and emergency scenarios.

What passing score is required for the Arab Board Ophthalmology Clinical Exam?

The pass mark is set by the ABHS Scientific Council of Ophthalmology examination committee, typically around 60% aggregated across the clinical examination, imaging OSCE, and structured viva components. Candidates must demonstrate safe, competent clinical reasoning and patient care.

What areas are most heavily emphasized in the clinical and oral viva stations?

High-yield topics include surgical complication management (e.g., posterior capsular rupture, dropped nucleus, suprachoroidal hemorrhage), gonioscopy and glaucoma surgical decision-making, retinal detachment repair, infectious corneal ulcers, motility analysis in strabismus, and neuro-ophthalmic emergencies such as pupil-involving third nerve palsy and giant cell arteritis.

Are these practice questions actual ABHS examination questions?

No. This question bank consists of 100 original English-language clinical scenario MCQs developed to mirror the clinical reasoning, multimodal imaging analysis, and surgical decision-making assessed during the Arab Board Ophthalmology Clinical and Oral Exit Examination.

100+ Free Arab Board Ophthalmology Clinical & Oral Practice Questions

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