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100+ Free Part 1 FRCOphth Practice Questions

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Which statement correctly describes the indirect ophthalmoscope's image compared with the direct ophthalmoscope?

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Part 2 Oral FRCOphth Examination (OSCE and Structured Viva)

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Part 2 Written FRCOphth Examination

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Sample Part 1 FRCOphth Practice Questions

Try these sample questions to test your Part 1 FRCOphth exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A myopic patient has a far point located 50 cm in front of the eye. Assuming the eye is otherwise emmetropic at its far point, what spectacle lens (at the corneal plane) corrects this refractive error?
A.-2.00 DS
B.+2.00 DS
C.-0.50 DS
D.-5.00 DS
Explanation: The far point of a myope is the point conjugate to the retina with accommodation relaxed. To bring parallel light to that point, the correcting lens must have its second focal point coincide with the far point. The dioptric vergence of a point 0.50 m away is 1/0.50 = 2.00 D, and because the far point is in front of the eye, a diverging (minus) lens of -2.00 DS is required.
2What is the approximate total refractive power of the standard schematic (reduced) eye, and which single refracting surface contributes the largest share of it?
A.+60 D total, with the crystalline lens contributing most
B.+60 D total, with the air-cornea interface contributing most
C.+43 D total, with the cornea contributing most
D.+20 D total, with the lens contributing most
Explanation: The eye's total power is approximately +60 D. The greatest single contribution (~+43 D, roughly two-thirds) comes from the anterior air-tear-film/cornea interface, because the change in refractive index from air (1.00) to cornea (~1.376) is large. The lens contributes only about +15 to +20 D because it sits between media of similar refractive index (aqueous and vitreous).
3An emmetrope aged 70 with a normal near add struggles to read fine print despite correct glasses. Regarding the physiological basis of presbyopia, which statement is most accurate?
A.Presbyopia is caused by progressive corneal flattening reducing total power
B.The ciliary muscle atrophies completely by age 50, abolishing all accommodation
C.The amplitude of accommodation falls with age, mainly due to increasing lens hardness and reduced lens elasticity
D.Zonular rupture is the primary mechanism of age-related accommodative loss
Explanation: Accommodative amplitude declines steadily from childhood, reaching near zero around 50-55 years. The dominant mechanism (Helmholtz model) is increasing sclerosis/hardness of the lens substance and capsule, so even with ciliary contraction the lens cannot change shape. The ciliary muscle remains largely functional.
4A patient with keratoconus shows irregular astigmatism that spectacles cannot correct well. Which optical principle best explains why a rigid gas-permeable contact lens improves vision more than glasses?
A.The rigid lens corrects the axial length of the eye
B.The rigid lens flattens the cornea permanently, removing the cone
C.The rigid lens increases the refractive index of the cornea
D.The tear film between the rigid lens and cornea creates a new, regular refracting front surface
Explanation: A rigid contact lens vaults the irregular corneal surface, and the tear film fills the gap. Because the tear film and cornea have nearly identical refractive indices, the irregular anterior corneal surface is optically neutralised, and the smooth front surface of the rigid lens becomes the principal refracting surface, giving a regular optical interface.
5Using the simple thin-lens vergence equation, an object is placed 25 cm in front of a +5.00 D thin lens in air. Where is the image formed?
A.100 cm behind the lens (real)
B.25 cm behind the lens (real)
C.100 cm in front of the lens (virtual)
D.20 cm behind the lens (real)
Explanation: Object vergence L = 1/(-0.25 m) = -4.00 D. Image vergence L' = L + F = -4.00 + 5.00 = +1.00 D. A positive image vergence means a real image, and the image distance is 1/(+1.00 D) = +1.00 m = 100 cm behind the lens. (An object placed exactly at the anterior focal point, 20 cm, would give L=-5 D and L'=0, imaging at infinity, but here the object is at 25 cm.)
6During retinoscopy at a working distance of 0.67 m, a 'with' movement is seen. After neutralisation, what working-distance allowance must be subtracted to obtain the patient's true refractive error?
A.+0.67 D
B.+1.50 D
C.+2.00 D
D.+0.50 D
Explanation: The working-distance lens correction equals the reciprocal of the working distance in metres: 1/0.67 m = +1.50 D. This compensates for the fact that the retinoscope light is being projected from a finite distance rather than infinity, so +1.50 D is subtracted from the neutralising power to give the patient's actual prescription.
7A spectacle prism is described as '4 prism dioptres base-out' before the right eye. What does 4 prism dioptres represent?
A.A power of 4 dioptres of sphere
B.A deviation of 4 degrees of arc
C.A deviation of the light ray of 4 cm at a distance of 1 metre
D.A magnification of 4 times
Explanation: One prism dioptre (1 PD or 1 Delta) produces a linear displacement of 1 cm of a light ray measured at 1 metre from the prism. Thus 4 PD deviates the ray 4 cm at 1 m. For small angles, 1 PD is roughly 0.57 degrees, so prism dioptres and degrees are not interchangeable.
8An aphakic patient corrected with a high-plus spectacle lens reports a ring-shaped blind area and that objects 'jump' into view. Which optical aberration of high-plus lenses best explains the ring scotoma?
A.Diffraction at the pupil margin
B.Chromatic aberration of the crystalline lens
C.Spherical aberration of the cornea
D.Roving ring scotoma from prismatic effects (jack-in-the-box phenomenon)
Explanation: High-plus aphakic spectacles act as a strong base-out prism towards the periphery, producing a roving ring scotoma; objects entering from the periphery suddenly 'jump' into view as they cross the prismatic edge, the classic jack-in-the-box phenomenon. This is a key reason intraocular lenses and contact lenses are preferred for aphakia.
9The Snellen chart is designed so that the whole letter at the 6/6 line subtends a particular angle at the nodal point of the eye when viewed at 6 metres. What angle is this, and what angle does each stroke/gap subtend?
A.Whole letter 5 minutes of arc; each component 1 minute of arc
B.Whole letter 1 minute of arc; each component 5 minutes of arc
C.Whole letter 5 degrees; each component 1 degree
D.Whole letter 10 minutes of arc; each component 2 minutes of arc
Explanation: On the Snellen chart the 6/6 (20/20) letter subtends 5 minutes of arc overall, and each individual stroke, gap, and limb subtends 1 minute of arc. The 1-minute resolution corresponds to the minimum angle of resolution of the normal eye, set by foveal cone spacing.
10A patient with -8.00 D myopia is changed from spectacles to contact lenses. What change in retinal image size and accommodative demand should be expected?
A.Smaller retinal image and reduced accommodative demand with contact lenses
B.Larger retinal image and increased accommodative demand at near with contact lenses
C.No change in image size but markedly reduced accommodation
D.Larger retinal image and reduced accommodative demand
Explanation: Minus spectacle lenses minify the retinal image; moving the correction to the corneal plane (contact lens) removes that minification, so the high myope gets a relatively larger, more normal retinal image. Because spectacle minus lenses reduce accommodative demand at near, switching to contact lenses increases the effective near accommodative demand, which young myopes notice on conversion.

About the Part 1 FRCOphth Exam

The Part 1 FRCOphth is the first written examination in the RCOphth Fellowship pathway, assessing the basic and clinical sciences underpinning the first two years of Ophthalmic Specialist Training (OST). It consists of two papers of 90 single-best-answer multiple-choice questions covering optics, anatomy, physiology, pathology, pharmacology and related sciences, and must be passed before progression to OST3.

Assessment

Two computer-based papers of 90 single-best-answer multiple-choice questions each (180 questions total), sat on the same day under online proctored conditions.

Time Limit

Two 2-hour papers (4 hours total) with a lunch break between them

Passing Score

Pass mark set in advance by the Ebel standard-setting method; recent published pass marks were around 60.9% (January 2024) and 63.8% (April 2024). The mark varies by sitting.

Exam Fee

GBP 725 for the 2026 Part 1 Fellowship examination (per RCOphth exam fees page). (Royal College of Ophthalmologists (RCOphth))

Part 1 FRCOphth Exam Content Outline

24%

Optics and Refraction

Geometrical and physical optics, schematic eye, refraction, accommodation, spectacle/contact lens optics, prisms, lasers and optical instruments.

20%

Pathology, Microbiology and Immunology

General and ocular pathology, tumours, inflammation, wound healing, ocular microbiology, virology and immunology.

16%

Anatomy and Embryology

Anatomy of the globe, orbit, adnexa, visual pathway and ocular vasculature, plus development of the eye.

12%

Statistics, Epidemiology and Evidence-Based Medicine

Diagnostic test performance, study design, hypothesis testing, confidence intervals, risk measures and critical appraisal.

11%

Physiology and Biochemistry

Ocular and visual physiology including phototransduction, aqueous dynamics, corneal physiology, the visual cycle and biochemistry of ocular tissues.

9%

Pharmacology and Genetics

Ocular pharmacology, drug toxicity and the genetics of inherited eye disease.

8%

Investigations

Principles of ocular imaging and testing: angiography, OCT, ultrasound biometry, perimetry, topography and electrophysiology.

How to Pass the Part 1 FRCOphth Exam

What You Need to Know

  • Passing score: Pass mark set in advance by the Ebel standard-setting method; recent published pass marks were around 60.9% (January 2024) and 63.8% (April 2024). The mark varies by sitting.
  • Assessment: Two computer-based papers of 90 single-best-answer multiple-choice questions each (180 questions total), sat on the same day under online proctored conditions.
  • Time limit: Two 2-hour papers (4 hours total) with a lunch break between them
  • Exam fee: GBP 725 for the 2026 Part 1 Fellowship examination (per RCOphth exam fees page).

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

Part 1 FRCOphth Study Tips from Top Performers

1Prioritise optics and refraction, pathology and anatomy, which together make up roughly 60% of the marks, and practise the optics calculations (vergence, prism dioptres, spherical equivalent) until they are automatic.
2Do not neglect statistics and evidence-based medicine, which carry around 12% of the marks (similar to anatomy) yet are commonly under-prepared; drill sensitivity/specificity, predictive values, NNT and confidence intervals.
3Use timed single-best-answer practice to build pace for two 90-question papers, and review every wrong answer against the OST Curriculum 2024 learning outcomes.

Frequently Asked Questions

How is the Part 1 FRCOphth examination structured?

It comprises two computer-based papers of 90 single-best-answer multiple-choice questions each (180 questions in total), sat on the same day with a lunch break, under online proctored conditions.

What is the pass mark for Part 1 FRCOphth?

The pass mark is set in advance using the Ebel standard-setting method rather than being a fixed percentage. Recent sittings required around 60-64% (for example 60.9% in January 2024 and 63.8% in April 2024).

How much does the Part 1 FRCOphth exam cost in 2026?

The 2026 Part 1 Fellowship examination fee is GBP 725, as published on the Royal College of Ophthalmologists exam fees page.

What subjects does Part 1 FRCOphth cover?

The exam covers the basic and clinical sciences of the first two years of training: optics and refraction, ocular anatomy and embryology, physiology and biochemistry, pathology, microbiology and immunology, pharmacology, genetics, investigations, and statistics/epidemiology.