PracticeVideosBlogFlashcardsEspañol
All Practice Exams

Free Practice Questions for Egyptian Board Ophthalmology

Exam-style questions and explanations by OpenExamPrep.

✓ No registration✓ No credit card
100+ Questions
100% Free

Loading practice questions...

Same family resources

Explore More Egyptian Board Specialty Certifications (البورد المصري)

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

Egyptian Board — Anesthesia (Part 1 & 2)

Practice Questions

Egyptian Board — Cardiology (Part 1 & 2)

Practice Questions

Egyptian Board — Clinical Infectious Diseases (Part 1 & 2)

Practice Questions

Egyptian Board — Clinical Oncology (Part 1 & 2)

Practice Questions

Egyptian Board — Clinical Pathology (Part 1 & 2)

Practice Questions

Egyptian Board — Critical Care (Part 1 & 2)

Practice Questions

Sample Egyptian Board Ophthalmology Practice Questions

Try these sample questions to review concepts for the Egyptian Board Ophthalmology exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A researcher is studying the structural histology of the human cornea. Which acellular, tough, collagenous layer is located immediately anterior to Descemet membrane and exhibits high resistance to pneumatic pressure during deep anterior lamellar keratoplasty (DALK)?
A.Dua's layer (pre-Descemet layer)
B.Bowman's layer
C.Corneal endothelial basement membrane
D.Anterior stromal lamellar zone
Explanation: Dua's layer (pre-Descemet layer) is a well-defined acellular, cohesive layer approximately 10 to 15 microns thick situated between the posterior corneal stroma and Descemet membrane. In deep anterior lamellar keratoplasty (DALK), achieving a 'big bubble' cleavage plane between this layer and Descemet membrane (Type 1 bubble) demonstrates its unique tensile strength and resistance to air pressure up to 1.5 to 2 bars. Bowman's layer is situated anteriorly beneath the epithelium, while the endothelial basement membrane is Descemet membrane itself.
2A 52-year-old female presents with persistent ocular surface burning, foreign body sensation, and rapid tear break-up time despite normal Schirmer test wetting. Dysfunction of which glandular structures is primarily responsible for evaporative dry eye by compromising the outermost tear film layer?
A.Accessory lacrimal glands of Krause and Wolfring
B.Meibomian glands
C.Conjunctival goblet cells
D.Crypts of Henle and glands of Manz
Explanation: The Meibomian glands (modified holocrine sebaceous glands located within the tarsal plates) secrete the outer lipid layer of the precorneal tear film. This polar and non-polar lipid layer stabilizes the tear film and reduces evaporation of the underlying aqueous phase. Dysfunction of these glands leads to evaporative dry eye characterized by normal aqueous tear volume (normal Schirmer) but accelerated tear film thinning and rapid break-up time.
3Regarding the physiology of aqueous humor outflow, how does the uveoscleral (unconventional) pathway differ fundamentally from the trabecular meshwork (conventional) pathway?
A.Uveoscleral outflow depends strictly on episcleral venous pressure gradients
B.Uveoscleral outflow accounts for approximately 85% to 90% of total drainage in older human eyes
C.Uveoscleral outflow is relatively pressure-independent at physiological intraocular pressures
D.Uveoscleral outflow traverses the canal of Schlemm and collector channels into the aqueous veins
Explanation: Uveoscleral outflow involves aqueous humor passing from the anterior chamber angle through the ciliary muscle bundles into the suprachoroidal space and exiting through the sclera. Unlike the trabecular meshwork pathway, which operates as a pressure-dependent bulk flow driven by the gradient between intraocular pressure and episcleral venous pressure, uveoscleral outflow is largely pressure-independent across normal physiological IOP ranges. Prostaglandin analogs specifically enhance this unconventional pathway by inducing matrix metalloproteinases that remodel ciliary muscle extracellular matrix.
4A patient with systemic vasculitis undergoes evaluation for retinal microvascular competence. Which anatomical cellular junction forms the primary structural barrier of the inner blood-retinal barrier (iBRB)?
A.Desmosomes (macula adherens) linking retinal pericytes to basement membranes
B.Gap junctions (connexins) connecting retinal Müller cell endfeet
C.Fenestrated endothelial cell diaphragms in the choriocapillaris
D.Zonula occludens (tight junctions) between non-fenestrated retinal capillary endothelial cells
Explanation: The inner blood-retinal barrier (iBRB) is formed by non-fenestrated retinal capillary endothelial cells linked together by continuous, high-resistance zonula occludens (tight junctions) containing claudin-5, occludin, and zonula occludens-1 (ZO-1). The outer blood-retinal barrier (oBRB) is formed by tight junctions between retinal pigment epithelial (RPE) cells. Breakdown of these endothelial tight junctions is the hallmark of diabetic macular edema and retinal vascular exudation.
5During the vertebrate photoreceptor phototransduction cascade, which biochemical event occurs immediately after the photoisomerization of 11-cis-retinal to all-trans-retinal?
A.Conformational transition to Metarhodopsin II and activation of the G-protein transducin
B.Direct opening of cyclic nucleotide-gated (CNG) cation channels in the outer segment membrane
C.Intracellular accumulation of cyclic guanosine monophosphate (cGMP) via guanylate cyclase stimulation
D.Membrane depolarization accompanied by sustained synaptic exocytosis of L-glutamate
Explanation: Absorption of a photon by rhodopsin isomerizes 11-cis-retinal into all-trans-retinal, triggering a series of conformational changes culminating in Metarhodopsin II (active rhodopsin, R*). R* activates the heterotrimeric G-protein transducin (G_t), which in turn exchanges GDP for GTP and activates cGMP phosphodiesterase-6 (PDE6). PDE6 hydrolyzes cGMP, resulting in the closure of cGMP-gated cation channels, membrane hyperpolarization, and decreased glutamate release at the photoreceptor terminal.
6A clinician performs diagnostic gonioscopy to view the anterior chamber angle. Why is an indirect gonioscopy contact lens containing a coupling fluid necessary to visualize the iridocorneal angle structures?
A.The cornea absorbs light completely in the infrared spectrum without an optical interface
B.Light rays reflected from the angle exceed the critical angle at the smooth tear-air interface, undergoing total internal reflection
C.The tear film has a higher refractive index than the gonioprism material, neutralizing spherical aberration
D.The anterior chamber depth is physically too shallow to allow direct stereoscopic illumination
Explanation: Light rays originating from the iridocorneal angle strike the tear-air interface at an angle of incidence greater than the critical angle (approximately 46° for the cornea-air boundary, given n_cornea = 1.376 and n_air = 1.0). Consequently, these rays undergo total internal reflection and cannot emerge from the eye to reach the examiner. A gonioscopy lens eliminates the corneal-air optical interface by substituting a medium with a refractive index similar to or greater than that of the cornea (e.g., PMMA or glass, n ~ 1.49 to 1.52), allowing light to exit into the viewing system.
7In standard schematic eye models (e.g., Gullstrand), what are the approximate values for the anterior surface, posterior surface, and total net refractive power of the unaccommodated human cornea?
A.Anterior +58.6 D, Posterior -15.6 D, Net +43.0 D
B.Anterior +38.2 D, Posterior +4.8 D, Net +43.0 D
C.Anterior +48.8 D, Posterior -5.8 D, Net +43.0 D
D.Anterior +43.0 D, Posterior 0.0 D, Net +43.0 D
Explanation: Using standard refractive indices (air = 1.000, corneal stroma = 1.376, aqueous humor = 1.336) and radii of curvature (anterior r = 7.7 mm, posterior r = 6.8 mm), the anterior corneal surface provides approximately +48.8 D of convergence, while the posterior surface acts as a minus lens providing approximately -5.8 D of divergence. The net total refractive power of the human cornea is approximately +43.0 D (or +43.25 D in Gullstrand's simplified schematic eye), representing about two-thirds of the eye's total dioptric power.
8A patient wearing a spectacle correction of -6.00 D sphere in both eyes looks downward through a point 8 mm below the optical centers of the lenses while reading. According to Prentice's rule, what prismatic effect is induced in each eye?
A.0.48 prism diopters base up
B.4.80 prism diopters base down
C.0.75 prism diopters base down
D.4.80 prism diopters base up
Explanation: Prentice's rule states that the induced prismatic deviation in prism diopters (Delta) equals the lens power in diopters (D) multiplied by the decentration in centimeters (c): Delta = c * D. Here, decentration is 8 mm = 0.8 cm, and lens power is 6.00 D, yielding Delta = 0.8 * 6.00 = 4.80 prism diopters. For a minus (diverging) lens, looking inferior to the optical center shifts the visual axis into the base-up portion of the optical wedge (since minus lenses are thickest at the periphery and thinnest at the center). Thus, the induced prismatic effect is 4.80 prism diopters base up.
9During subjective refraction, the Jackson Cross-Cylinder (JCC) is utilized to refine cylinder axis and power. Which optical property defines the standard Jackson cross-cylinder?
A.It has equal dioptric power in two principal meridians of opposite sign, maintaining a spherical equivalent of zero
B.It consists of two plus cylinders positioned at 45 degrees to each other to increase depth of focus
C.It contains a sphere and cylinder combination that produces a positive spherical equivalent of +0.50 D
D.It alters the focal position of the circle of least confusion relative to the retina during testing
Explanation: A Jackson cross-cylinder (e.g., +/-0.25 D or +/-0.50 D) is a spherocylindrical lens consisting of two equal cylinder powers of opposite sign oriented at 90 degrees to each other (e.g., +0.25 D in one meridian and -0.25 D in the perpendicular meridian). Because the two powers are equal in magnitude and opposite in sign, its spherical equivalent (SE = sphere + cylinder / 2) is exactly 0.00 D. Consequently, flipping the cross-cylinder changes the astigmatic interval without moving the location of the circle of least confusion relative to the retina.
10A 24-year-old patient has a refractive prescription of -1.00 DS / -2.00 DC x 180°. Which classification correctly describes this optical astigmatism?
A.Against-the-rule compound hyperopic astigmatism
B.With-the-rule compound myopic astigmatism
C.Against-the-rule mixed astigmatism
D.Oblique simple myopic astigmatism
Explanation: In minus cylinder convention, a cylinder axis at 180° (+/-20°) signifies with-the-rule (WTR) astigmatism because the vertical corneal meridian has the greatest refractive power (steepest meridian at 90° requiring minus cylinder correction oriented horizontally). Analyzing the principal meridians: the 180° meridian has a power of -1.00 D and the 90° meridian has a power of -3.00 D. Because both focal lines fall in front of the retina, it is a compound myopic astigmatism.

About the Egyptian Board Ophthalmology Exam

The Egyptian Board in Ophthalmology is the national postgraduate credential administered by the Egyptian Health Council (المجلس الصحي المصري) under Law No. 12 of 2022. It validates advanced clinical and surgical knowledge across all ophthalmic subspecialties, including cornea, glaucoma, medical and surgical retina, cataract and refractive surgery, pediatric ophthalmology, and neuro-ophthalmology. The examination pathway comprises three progressive phases: Part 1 written basic sciences and optics, Part 2 written clinical ophthalmology, and Part 3 clinical OSCE, case discussions, and oral examination.

Exam sponsor: Egyptian Health Council (EHC) — Egyptian Board (المجلس الصحي المصري — البورد المصري). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

The Egyptian Board Ophthalmology examination comprises three distinct stages: Part 1 consists of written multiple-choice questions assessing ocular anatomy, embryology, physiology, pharmacology, microbiology, and optics. Part 2 consists of written multiple-choice examinations evaluating disease diagnosis, imaging (OCT, FFA, visual fields, anterior segment imaging), laser therapy, and surgical decision-making. Part 3 is a comprehensive clinical examination consisting of objective structured clinical examination (OSCE) stations, slit-lamp bio-microscopy, fundus examination on real patients, and viva voce with expert examiners. Note that Part Three is entirely clinical, and the official board does not publish a standardized MCQ question count. This 100-question practice set is an English-language study aid dedicated to reinforcing key cognitive knowledge across Parts 1 and 2.

Time Limit

Varies by examination part

Passing Score

Set by psychometric standard-setting (Angoff/Hofstee method); no fixed percentage published

Exam / Certification Fees

Prescribed by Egyptian Health Council regulatory bylaws

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.

20%

Ocular Anatomy, Physiology & Optics/Refraction

Microscopic anatomy and embryology of the eye and orbit; tear film dynamics; aqueous humor production and outflow pathways; corneal transparency; physiological and physical optics, lenses, prisms, retinoscopy, and refractive errors.

20%

Cornea, External Disease & Cataract / Refractive Surgery

Infectious and non-infectious keratitis; corneal dystrophies and ectasias (keratoconus); dry eye syndromes; cataract pathogenesis; phacoemulsification techniques, fluidics, and complications; intraocular lens (IOL) calculations.

20%

Glaucoma & Uveitis

Primary open-angle glaucoma; primary angle-closure glaucoma; secondary glaucomas (pseudoexfoliation, pigmentary, neovascular); medical, laser (SLT, LPI), and surgical management (trabeculectomy, MIGS, tube shunts); anterior, intermediate, posterior, and panuveitis etiology and immunosuppressive therapy.

25%

Retina, Vitreous & Ocular Oncology

Diabetic retinopathy (NPDR/PDR) and diabetic macular edema; retinal vein and artery occlusions; age-related macular degeneration (dry vs wet); rhegmatogenous, tractional, and exudative retinal detachments; anti-VEGF therapy and vitrectomy; choroidal melanoma and retinoblastoma.

15%

Neuro-Ophthalmology, Pediatric Ophthalmology & Strabismus

Pupillary pathways and abnormalities (Horner syndrome, RAPD, tonic pupil); cranial nerve palsies (III, IV, VI); optic neuropathies (ischemic, demyelinating, toxic); comitant and incomitant strabismus; amblyopia screening and treatment.

Preparing for the Egyptian Board Ophthalmology Exam

What You Need to Know

  • Passing score: Set by psychometric standard-setting (Angoff/Hofstee method); no fixed percentage published
  • Assessment: The Egyptian Board Ophthalmology examination comprises three distinct stages: Part 1 consists of written multiple-choice questions assessing ocular anatomy, embryology, physiology, pharmacology, microbiology, and optics. Part 2 consists of written multiple-choice examinations evaluating disease diagnosis, imaging (OCT, FFA, visual fields, anterior segment imaging), laser therapy, and surgical decision-making. Part 3 is a comprehensive clinical examination consisting of objective structured clinical examination (OSCE) stations, slit-lamp bio-microscopy, fundus examination on real patients, and viva voce with expert examiners. Note that Part Three is entirely clinical, and the official board does not publish a standardized MCQ question count. This 100-question practice set is an English-language study aid dedicated to reinforcing key cognitive knowledge across Parts 1 and 2.
  • Time limit: Varies by examination part
  • Exam / certification fees: Prescribed by Egyptian Health Council regulatory bylaws Official sources

Using Our Practice Resources

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

Egyptian Board Ophthalmology: Suggested Study Strategy

1Master optical principles including vergence, focal length, prism diopters, chromatic and spherical aberrations, and Jackson cross-cylinder refraction.
2Understand glaucoma risk stratifications, visual field interpretation (Humphrey SITA-Standard), OCT RNFL analysis, and trabeculectomy antimetabolite protocols.
3Review the ETDRS classification of diabetic retinopathy, anti-VEGF injection indications, and pneumatic retinopexy vs vitrectomy for retinal detachment.
4Consolidate cranial nerve palsies, pupillary defect pathways (Horner vs third nerve palsy with pupil involvement), and optic neuritis management (ONTT guidelines).

Frequently Asked Questions

What is the official question count for the Egyptian Board Ophthalmology exam?

The Egyptian Health Council does not publish a fixed, standardized question count for written examinations. Written assessments (Parts 1 and 2) typically feature 100 to 200 MCQs per session. This platform provides 100 curated practice MCQs covering high-yield syllabus objectives.

Does this practice test include the clinical Part 3 exam?

Part 3 is a clinical and practical examination conducted at accredited academic ophthalmic centers with slit-lamp stations, clinical cases, and oral viva. This practice test provides dedicated preparation for the theoretical written papers in Parts 1 and 2.

What standard guidelines and texts are recommended?

Recommended sources include the American Academy of Ophthalmology (AAO) Basic and Clinical Science Course (BCSC), Kanski's Clinical Ophthalmology, and Moorfields Manual of Ophthalmology.