RRB Optometrist 2026: 13 Clinical Refraction MCQs – Retinoscopy & Subjective Tests

RRB Optometrist Previous Year MCQs on Clinical Refraction

Master High-Yield RRB Optometry PYQs & Answer for CBT Success Welcome back to Smart Optometry Academy. A thorough understanding of refractive principles is essential for securing a top rank in the Railway Recruitment Board paramedical examination. This focused collection of RRB Optometrist Previous Year MCQs zeroes in on core clinical refraction topics and optical states directly mapped to the official syllabus.

Key Clinical Concepts Covered in These RRB PYQs

  • Classification, orthogonal meridian separation, and anatomical sources of regular astigmatism
  • Interrelationships of corneal power and axial length in emmetropic eyes
  • Differentiating axial versus refractive myopia and calculating total hyperopia
  • Clinical implications and management of anisometropia
  • Diagnostic limitations of ophthalmophakometry in axial length measurement
  • Standard optical correction strategies using concave lenses for high-prevalence conditions like myopia

Review each authentic RRB Optometry PYQs & Answer below. Every question features a concise clinical rationale designed to solidify your refraction knowledge, prevent negative marking, and boost your overall exam performance.

Practice RRB Optometrist Previous Year MCQs on “Clinical Refraction”:

Q-1: Which one of the following is not related to the classification of Astigmatism? (RRB Optometrist Previous Year MCQs 2019)

A) Regular or irregular
B) Orientation
C) With respect to refractive error
D) Axial Length

Click “Show more” to see the answer and explanation.

Q-2: What is the degree of separation between the meridians having the maximum and minimum refractive powers in regular astigmatism? (RRB Optometrist Year Question & Answer 2019)


A) 45 degrees
B) 90 degrees
C) 60 degrees
D) 30 degrees

Click “Show more” to see the answer and explanation.

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Q-3: Astigmatism is most frequently produced by the toricity of the _______ surface. (RRB Optometrist Previous Year MCQs 2019)


A) Beta-2 antagonist; increases aqueous drainage
A) The Posterior Cornea
B) The Crystalline Lens
C) The Anterior Cornea
D) Optic and Visual Axis

Click “Show more” to see the answer and explanation.

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Q-4: The refractive myopia is associated with decreased _______. (RRB Optometrist Year Question & Answer 2019)


A) Posterior chamber depth
B) Crystalline Lens thickness
C) Anterior chamber depth
D) Radius of curvature

Click “Show more” to see the answer and explanation.

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Q-5: For which subject are these factors relevant? Statement (a): A factor (denoted S) determines the relationship between corneal power and axial length. Statement (b): A factor (denoted P) groups axial length, lens power, and anterior chamber depth.(RRB Optometrist Previous Year MCQs 2019)


A) Antimetropia
B) Emmetropic
C) Anisohyperopia
D) Ametropia

Click “Show more” to see the answer and explanation.

Q-6: The absence of refractive error is known as:(RRB Optometrist Year Question & Answer 2019)


A) Hypermetropia
B) Emmetropia
C) Myopia
D) Astigmatism

Click “Show more” to see the answer and explanation.

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Q-7: A short axial length of the eyeball leads to which condition? (RRB Optometrist Previous Year MCQs 2019)


A) Long-sightedness
B) Emmetropia
C) Short-sightedness
D) Astigmatism

Click “Show more” to see the answer and explanation.

Q-8: The sum of latent and manifest hyperopia results in: (RRB Optometrist PYQs 2019)


A) Latent hyperopia
B) Manifest hyperopia
C) Absolute hyperopia
D) Total hyperopia

Click “Show more” to see the answer and explanation.

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Q-9: What is the most common refractive error? (RRB Optometrist Previous Year MCQs 2025)


A) Cataract
B) Glaucoma
C) Presbyopia
D) Myopia

Click “Show more” to see the answer and explanation.

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Q-10: Which refractive error requires concave lenses? (RRB Optometrist PYQs 2025)


A) Hyperopia
B) Presbyopia
C) Myopia
D) Astigmatism

Click “Show more” to see the answer and explanation.

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RRB Optometrist 2026 PYQs RRB Optometrist CBT Course Promo
Target RRB Optometrist CBT 2026

Master Your Govt Job Preparation

Join our most successful flagship course on the Optometry Notes & MCQs App. Follow our proven 4-step sequence to crack the Railway Recruitment Board CBT exam.

Our Proven Success Sequence

1
📚

Theory Notes

Build your foundation with subject-wise clinical & optical theory.

2
🎥

Premium Lectures

Deepen understanding with fundamental optometry video lectures.

3
📝

Subject-wise MCQs

Test accuracy and speed by practicing topic-specific question banks.

4
🏆

Previous Year MCQs

Master actual CBT exam patterns with completely solved PYQs.

The RRB Optometrist recruitment conducted under the Ministry of Railways offers a prime opportunity for eye care professionals targeting a secure RRB Optometry Govt Job. Candidates preparing for an upcoming RRB Optometrist Vacancy can review the standardized eligibility norms, pay scale, and exam structure below to streamline their preparation for this sought-after RRB Optometrist govt job.

Key Job Parameters

  • Post Title: Optometrist.
  • Pay Scale: Level 4 of the 7th CPC Pay Matrix, featuring an initial basic pay of ₹25,500 plus applicable allowances.
  • Educational Qualification: B.Sc in Optometry or a Diploma in Ophthalmic Technique/Technician (with a course duration of 3 to 4 years) from a recognized university or institution, along with valid registration with the relevant Council or Licensing body.
  • Age Limit: 18 to 33/36 years, with standard category-based upper age relaxations applicable for OBC, SC, ST, PwBD, and Ex-Servicemen.
  • Medical Fitness Standard: B-1 Standard, which requires sound distance and near vision along with intact colour, binocular, night, and mesopic vision. Candidates who have undergone LASIK or any other refractive surgery are not eligible for posts with the B-1 medical standard.

CBT Examination Pattern & Scheme The selection process consists of a Single-Stage Computer Based Test (CBT), followed by Document Verification (DV) and the Railway Medical Examination.

  • Exam Duration and Structure: The CBT lasts for 90 minutes (120 minutes for eligible PwBD candidates using a scribe) and consists of 100 objective-type multiple-choice questions (MCQs) for a total of 100 marks.
  • Marking Scheme: Each correct response earns 1 mark, with a strict negative marking deduction of 1/3 mark for every incorrect answer.
  • Professional Ability (70 Marks): This core technical segment consists of 70 questions and tests optometry domains such as Physical & Visual Optics, Ocular Anatomy & Physiology, Refraction, Contact Lenses, Binocular Vision, Dispensing Optics, Optometric Instruments, and Ocular Pathology.
  • General Awareness (10 Marks): Comprises 10 questions covering current affairs, history, polity, and related topics.
  • General Arithmetic, Intelligence & Reasoning (10 Marks): Comprises 10 questions testing quantitative and analytical aptitude.
  • General Science (10 Marks): Comprises 10 questions covering basic Physics, Chemistry, and Life Sciences.

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