Q.11 According to Indian and international low vision classification standards, which of the following best defines severe visual impairment?
- Visual acuity less than 6/18 but equal to or better than 6/60 in the better eye with best correction.
- Visual acuity less than 6/60 but equal to or better than 3/60 in the better eye with best correction.
- Visual acuity less than 3/60 in the better eye, or visual field less than 10 degrees.
- Visual acuity less than 6/18 in either eye regardless of correction status.
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Answer: 2. Visual acuity less than 6/60 but equal to or better than 3/60 in the better eye with best correction.
Explanation:
Severe visual impairment is classified as vision worse than 6/60 but better than 3/60 in the better eye with best correction. This impacts daily activities but retains some functional vision.
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Q.12 What does a fundal camera capture?
- The cornea
- The lens
- The iris
- The retina
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Answer: 4. Retina.
Explanation:
Fundal cameras photograph the retina, optic disc, and blood vessels. These images help diagnose conditions like diabetic retinopathy, macular degeneration, and glaucoma.
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Q.13 Which instrument is used to examine the anterior segment of the eye?
- Slit-lamp biomicroscope
- Autorefractor
- Retinoscope
- Ophthalmoscope
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Q.14 What does the Hirschberg test primarily assess?
- Retinal detachment
- Corneal light reflex position
- Color vision
- Visual acuity
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Answer: 2. Corneal light reflex position.
Explanation:
The Hirschberg test evaluates ocular alignment by shining light at the eyes. Asymmetric corneal reflections indicate strabismus, with each mm deviation ≈7° of misalignment.
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Q.15 Which cranial nerve is responsible for eye movement?
- Trigeminal nerve (V)
- Facial nerve (VII)
- Oculomotor nerve (III)
- Optic nerve (II)
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Q.16 What term describes excessive cell growth in a tissue?
- Hyperplasia
- Dysplasia
- Hypertrophy
- Atrophy
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Answer: 1. Hyperplasia.
Explanation:
Hyperplasia is the proliferation of normal cells, increasing tissue mass (e.g., benign prostatic hyperplasia). Unlike cancer, it’s reversible and controlled by growth signals.
Note: Enroll in our Course “Optometry Gov Job Preparation” to prepare for RRB Optometry Exam under Experienced Samir Sutradhar sir. This course will give you: 150+ Subjects wise PDF Notes, 150+ Fundamental Optometry Videos, 5000+Subjectwise MCQs, 2000+ Previous Years MCQs, Mock Tests Group Chat, Doubts Clearing for 1 year.
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Q.17 What is the primary effect of a concave lens on light that passes through it in terms of refraction through spherical surfaces?
- It causes light rays to diverge away from the optical axis.
- It bends light rays parallel to the optical axis.
- It causes light rays to converge at a single point.
- It focuses light rays to the retina.
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Answer: 1. It causes light rays to diverge away from the optical axis.
Explanation:
Concave lenses diverge incoming light rays, correcting myopia by shifting the focal point backward onto the retina. They are thinner at the center than the edges.
Note: Prepare for RRB Optometry Exam with our course “Optometry Gov Exam”. This course provides: 150+ Subjects wise PDF Notes, 150+ Fundamental Optometry Videos, 5000+Subjectwise MCQs, 2000+ Previous Years MCQs, Mock Tests Group Chat, Doubts Clearing for 1 year.
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Q.18 Which of the following immune cells plays a key role in the pathogenesis of uveitis, an immune-mediated ocular disease?
- Neutrophils
- T lymphocytes
- Eosinophils
- Basophils
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Answer: 2. T lymphocytes.
Explanation:
Uveitis, an autoimmune ocular inflammation, involves T-cell-mediated attacks on uveal tissues. Treatments often target T-cell activity with corticosteroids or immunosuppressants.
Note: Prepare for RRB Optometry Exam with our course “Optometry Gov Exam”. This course provides: 150+ Subjects wise PDF Notes, 150+ Fundamental Optometry Videos, 5000+Subjectwise MCQs, 2000+ Previous Years MCQs, Mock Tests Group Chat, Doubts Clearing for 1 year.
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Q.19 Which of the following muscles is primarily responsible for the flexion of the elbow joint?
- Triceps brachii
- Biceps brachii
- Brachialis
- Coracobrachialis
Note: Prepare for your RRB Optometry Exam under experience Samir Sutradhar sir. Enroll in our Course “Optometry Gov Job Preparation” that will give you: 150+ Subjects wise PDF Notes, 150+ Fundamental Optometry Videos, 5000+Subjectwise MCQs, 2000+ Previous Years MCQs, Mock Tests Group Chat, Doubts Clearing for 1 year.
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Q.20 Which of the following is a common structural change that occurs in the eye of elderly individuals?
- Increase in intraocular pressure (IOP)
- Decreased retinal pigmentation
- Increased corneal thickness
- Hardening of the lens (presbyopia)
Click “Show more” to see the answer and explanation.
Answer: 4. Lens hardening (presbyopia).
Explanation:
Presbyopia results from age-related lens sclerosis, reducing accommodation. It typically begins after age 40 and requires corrective lenses for near vision.
Note: Prepare for your RRB Optometry Exam under experience Samir Sutradhar sir. Enroll in our Course “Optometry Gov Job Preparation” that will give you: 150+ Subjects wise PDF Notes, 150+ Fundamental Optometry Videos, 5000+Subjectwise MCQs, 2000+ Previous Years MCQs, Mock Tests Group Chat, Doubts
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