RRB Optometrist Previous Year MCQs on Ocular Diseases
Welcome back to Smart Optometry Academy. A comprehensive grasp of ocular pathology is critical for securing a top rank in the Railway Recruitment Board paramedical examination. This targeted collection of RRB Optometrist Previous Year MCQs focuses on essential disease mechanisms, structural anomalies, and diagnostics directly mapped to the official syllabus.
Key Clinical Concepts Covered in These RRB PYQs
- Pathology of corneal dystrophies (Keratoconus), opacities, and hypoxia-induced stromal swelling.
- Differentiating exogenous conjunctivitis, including hyperacute Neisseria gonorrhoeae infections and pterygium growth.
- Metabolic pathways of diabetic cataracts (sorbitol accumulation) and UV-induced cortical cataracts.
- T-lymphocyte pathogenesis in uveitis and its systemic association with rheumatoid arthritis.
- Diagnostic mechanisms of orbital floor blowout fractures and resultant enophthalmos.
- Aqueous outflow dynamics through Schlemm’s canal in glaucoma.
- Rare ciliary body tumors (Medulloepithelioma) and optic disc anomalies like papilledema.
Review each authentic RRB Optometry PYQs & Answer below. Every question includes a concise clinical rationale designed to strengthen your diagnostic accuracy, prevent negative marking, and boost your overall CBT performance.
Practice RRB Optometrist Previous Year MCQs on “Ocular Diseases”:
Q-1: The condition in which one iris differs in color from the other or portions of one iris differ in color from the rest of the iris is called: (RRB Optometrist Previous Year MCQs 2019)
A) Pigmentary dispersion syndrome
B) Homochromatic
C) Heterochromia
D) Iris synechiae
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Answer: C) Heterochromia
Heterochromia is a condition of iris color variation that can be congenital or acquired due to genetic or pathological factors. It results from differential melanin distribution or neurological influences on the iris.
Q-2: An exogenous infection of the conjunctiva may not spread through: (RRB Optometrist Year Question & Answer 2019)
A) Air and water
B) Material
C) Vector transmission
D) Blood
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Q-3: Which one is not the pathological change of bacterial conjunctivitis? (RRB Optometrist Previous Year MCQs 2019)
A) Vascular response
B) Conjunctival tissue response
C) Conjunctival Epithelium
D) Conjunctival discharge
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Answer: C) Conjunctival Epithelium
Bacterial conjunctivitis primarily involves vascular and tissue inflammatory responses along with purulent discharge. The conjunctival epithelium itself is generally not the primary site of pathological change in this condition.
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Q-4: What is the ratio of tear lysozyme in typical keratoconjunctivitis sicca? (RRB Optometrist Year Question & Answer 2019)
A) 0.1
B) 0.2
C) 0.3
D) 0.4
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Q-5: In which condition, the dense network of sensory nerve endings in the epithelium is disturbed and causes more pain. (RRB Optometrist Previous Year MCQs 2019)
A) Microcornea
B) Corneal ulcer
C) Dermoid
D) Corneal erosion
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Answer: D) Corneal erosion
Corneal erosion involves the loss of epithelial layers, directly exposing and disturbing the subepithelial sensory nerve endings. This extensive nerve exposure results in severe ocular pain and photophobia.
Q-6: A 4-month-old infant presents with congenital ptosis and absent superior levator muscle function. What is the likely cause? (RRB Optometrist Year Question & Answer 2025)
A) Marcus Gunn jaw-winking syndrome
B) Congenital Horner’s syndrome
C) Blepharophimosis syndrome
D) Congenital aponeurotic ptosis
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Answer: D) Congenital aponeurotic ptosis
Congenital aponeurotic ptosis arises from a developmental defect in the levator palpebrae superioris muscle or its aponeurosis, leading to poor eyelid elevation. Early correction is essential to prevent stimulus deprivation amblyopia.
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Q-7: Which immune cells drive uveitis pathogenesis? (RRB Optometrist Previous Year MCQs 2025)
A) Neutrophils
B) Basophils
C) Eosinophils
D) T lymphocytes
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Answer: D) T lymphocytes
Uveitis is primarily an autoimmune disorder mediated by T lymphocytes that attack the uveal tissues. This T-cell-driven inflammation results in characteristic signs like cells, flare, and synechiae formation.
Q-8: Which infection is caused by varicella zoster virus? (RRB Optometrist PYQs 2025)
A) Keratitis
B) Conjunctivitis
C) Endophthalmitis
D) Herpes zoster ophthalmicus
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Answer: D) Herpes zoster ophthalmicus
Varicella zoster virus reactivation in the ophthalmic division of the trigeminal nerve causes herpes zoster ophthalmicus. This condition presents with a painful vesicular rash and potential ocular complications like keratitis or uveitis.
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Q-9: Which organism causes conjunctivitis? (RRB Optometrist Previous Year MCQs 2025)
A) Human Papilloma Virus
B) Mycobacterium tuberculosis
C) Staphylococcus aureus
D) Neisseria gonorrhoeae
Click “Show more” to see the answer and explanation.
Answer: D) Neisseria gonorrhoeae
Neisseria gonorrhoeae is the primary causative agent of hyperacute purulent conjunctivitis, which can rapidly progress to corneal perforation if untreated. It requires prompt systemic and topical antibiotic therapy.
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Q-10: Which structure is key to aqueous humor outflow in glaucoma? (RRB Optometrist PYQs 2025)
A) Vitreous body
B) Zonules of Zinn
C) Iris root
D) Schlemm’s canal
Click “Show more” to see the answer and explanation.
Answer: D) Schlemm’s canal
Schlemm’s canal is the primary pathway for aqueous humor drainage through the trabecular meshwork into the venous system. Obstruction of this outflow tract increases intraocular pressure, leading to glaucomatous optic neuropathy.
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A) Option 1
B) Option 2
C) Correct Option
D) Option 4
Explanation: [Paste your detailed explanation here so Google can index it.]
Q-12: [Paste Your Question Here]
A) Option 1
B) Correct Option
C) Option 3
D) Option 4
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RRB Optometrist 2026
Complete Previous Year MCQs (All Subjects Solved)
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
Theory Notes
Build your foundation with subject-wise clinical & optical theory.
Premium Lectures
Deepen understanding with fundamental optometry video lectures.
Subject-wise MCQs
Test accuracy and speed by practicing topic-specific question banks.
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.


