Master Ophthalmic Instrumentation: DSSSB Optometrist Previous Year MCQs
Boost your exam readiness with this targeted guide on Ophthalmic Instrumentation, a highly weighted clinical segment of the upcoming recruitment exam. This resource provides expertly solved DSSSB Optometrist Previous Year MCQs focusing strictly on essential diagnostic tools and their practical applications.
Practice authentic questions detailing the principles of Optical Coherence Tomography (OCT), automated perimetry (Humphrey visual field assessment), and Visual Evoked Potentials (VEPs). By reviewing these specific DSSSB Optometrist PYQs, you will master key optical parameters, including indirect ophthalmoscopy magnification limits, slit-lamp diffuse illumination techniques for blepharitis, and retinoscope variations.
Consistent practice with these verified past questions allows you to memorize core instrument functionalities and eliminate objective testing confusion. Review the detailed rationales provided for every question to sharpen your technical diagnostic knowledge, enhance your test-taking speed, and confidently secure your permanent government vacancy!
Practice DSSSB Optometrist Previous Year MCQs on “Ophthalmic Instrumentation”:
Q-1: How many types of retinoscopes are available in the Indian market? (DSSSB Optometrist Previous Year MCQs 2024)
a. Four
b. Three
c. Two
d. One
Click “Show more” to see the answer and explanation.
Answer: c. Two
In clinical optometry, there are two primary types of retinoscopes available and widely used: the streak retinoscope and the spot retinoscope. The streak retinoscope provides a linear beam of light, which makes determining the astigmatic axis much easier compared to the circular beam of the older spot retinoscope.
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Q-2: Which imaging technique is noninvasive and used to study different layers of retina? (DSSSB Optometrist PYQs 2019)
a. Fluorescein angiography
b. Pachymetry
c. Fundus photography
d. OCT
Click “Show more” to see the answer and explanation.
Answer: d. OCT
Optical Coherence Tomography (OCT) is a rapid, non-invasive imaging modality that utilizes low-coherence interferometry to capture high-resolution, cross-sectional views of biological tissues. It is considered the gold standard in ophthalmology for examining the individual microstructural layers of the neurosensory retina in vivo.
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Q-3: Which structure CANNOT be examined with a slit-lamp without an additional aid? (DSSSB Optometrist Previous Year MCQs 2024)
a. Cornea
b. Anterior chamber
c. Iris and pupil
d. Macula
Click “Show more” to see the answer and explanation.
Answer: d. Macula
A standard slit-lamp biomicroscope is engineered to focus on the anterior segment of the eye, directly illuminating structures like the cornea, anterior chamber, and iris. To visualize the macula and the posterior segment, the clinician must introduce an additional optical aid, such as a high-plus condensing lens (e.g., 90D or 78D) or a specialized contact lens.
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Q-4: Which of the following electrophysiological tools is essential for the diagnosis of acute demyelinating optic neuritis? (DSSSB Optometrist PYQs 2019)
a. Visual evoked potentials (VEPs)
b. Electrooculogram (EOG)
c. Electrovomerography (EVG)
d. Electroarteriography (EAG)
Click “Show more” to see the answer and explanation.
Answer: a. Visual evoked potentials (VEPs)
Visual Evoked Potentials (VEPs) measure the electrical activity of the visual cortex in response to light stimulation of the retina. They are highly sensitive clinical tools for detecting delayed conduction velocities along the optic nerve, which is a classic hallmark of acute demyelinating optic neuritis.
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Q-5: Which of the following slit-lamp illumination techniques is used to diagnose blepharitis? (DSSSB Optometrist Previous Year MCQs 2024)
a. Diffuse illumination
b. Optic section
c. Broad beam
d. Specular reflection
Click “Show more” to see the answer and explanation.
Answer: a. Diffuse illumination
Diffuse illumination utilizes a wide beam of light with a diffuser to broadly light up the anterior segment of the eye and its adnexa. This broad, even lighting is ideal for observing gross ocular structures, including the eyelids and lash margins, making it the technique of choice for diagnosing blepharitis.
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Q-6: With regard to indirect ophthalmoscopy, which of the following is NOT correct?(DSSSB Optometrist PYQs 2019)
a. Magnification is 15 times
b. Wider field
c. Image is real and inverted
d. Peripheral retina can be seen
Click “Show more” to see the answer and explanation.
Answer: a. Magnification is 15 times
Direct ophthalmoscopy provides high magnification of approximately 15 times but with a very narrow field of view. In contrast, indirect ophthalmoscopy utilizes a condensing lens to provide a much wider field of view for examining the peripheral retina, but yields a significantly lower magnification of roughly 2x to 5x.
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Q-7: Which one of the following is NOT correct regarding OCT? (DSSSB Optometrist Previous Year MCQs 2019)
a. Allows high resolution cut section of retina
b. Is non-invasive and allows in-vivo study
c. Cannot be done in patients with bronchial asthma
d. Is an important diagnostic tool for studying progress and response of therapy
Click “Show more” to see the answer and explanation.
Answer: c. Cannot be done in patients with bronchial asthma
Explanation: Optical Coherence Tomography (OCT) operates using safe, near-infrared light waves and requires no intravenous contrast dyes or patient exertion. Because it is an entirely non-invasive, radiation-free optical scan, pre-existing respiratory conditions like bronchial asthma have absolutely no bearing on a patient’s eligibility for the procedure.
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Q-8: Which of the below is NOT true about refractometer? (DSSSB Optometrist PYQs 2019)
a. It uses the principle of indirect ophthalmoscope
b. Autorefractometer is an example
c. It’s an objective method of finding out refractive power
d. Subjective testing is not required in final prescription
Click “Show more” to see the answer and explanation.
Answer: d. Subjective testing is not required in final prescription
Explanation: While autorefractometers provide an excellent and rapid objective baseline of a patient’s refractive error, they are prone to phenomena like instrument myopia or minor alignment errors. Therefore, a subjective refraction is always clinically required to refine the objective findings and ensure the final spectacle prescription is comfortable for the patient’s visual system.
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Q-9: Name the instrument that accurately quantifies patient’s sensitivity to light throughout the visual field in a systematic manner. (DSSSB Optometrist Previous Year MCQs 2024)
a. Confrontation test
b. D15 test
c. Amsler’s grid test
d. Perimetry
Click “Show more” to see the answer and explanation.
Answer: d. Perimetry
Explanation: Perimetry is the gold-standard diagnostic technique for systematically mapping the visual field and quantifying retinal light sensitivity across all meridians. Unlike confrontation screening or the Amsler grid, perimetry provides standardized, reproducible, and quantifiable data that is essential for diagnosing and monitoring conditions like glaucoma, optic neuropathies, and chiasmal lesions.
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Q-10: Name the instrument that is sensitive, specific, reliable, and valid for detecting central visual field changes. (DSSSB Optometrist PYQs 2024)
a. Retinal photography
b. Amsler’s grid assessment
c. Confrontation visual field test
d. Humphrey visual field assessment
Click “Show more” to see the answer and explanation.
Answer: d. Humphrey visual field assessment
Explanation: The Humphrey visual field analyzer (a form of automated static perimetry) is widely recognized for its high sensitivity, specificity, and test-retest reliability in detecting subtle central and paracentral visual field defects. While the Amsler grid is a useful screening tool, the Humphrey provides objective, quantified threshold data that is indispensable for accurately diagnosing and monitoring progressive conditions such as glaucoma, macular disease, and optic neuritis.
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Q-11: [Paste Your Question Here]
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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DSSSB Optometrist Previous Year MCQs
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Boost your exam preparation by practicing with authentic DSSSB Optometrist Previous Year MCQs. Click on any specific subject above to access highly targeted previous year questions, answers, and detailed explanations directly mapped to the DSSSB exam syllabus.
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About the DSSSB Optometrist Recruitment
Are you aiming to crack the DSSSB Optometrist vacancy? The Delhi Subordinate Services Selection Board (DSSSB) regularly conducts exams to recruit qualified professionals for the Health & Family Welfare Department, Govt. of NCT of Delhi. Securing this highly coveted Group ‘C’ government job requires a deep understanding of the official criteria and exam structure.
Here is a complete overview of the DSSSB Optometrist vacancy:
- About DSSSB: The board recruits candidates for various departments under the Government of NCT of Delhi. The Optometrist position falls under the General Central Service, Non-Gazetted, Non-Ministerial category.
- Eligibility Criteria: Candidates must have passed Class 12th in Science from a recognized board and possess a 4-year Degree in Optometry from a recognized university. The standard age limit is between 21 and 30 years, with official age relaxations applicable for reserved categories.
- Exam Pattern: The One Tier (Technical) examination consists of a Computer Based Test (CBT) featuring 200 Multiple Choice Questions (MCQs) worth 200 marks, to be completed in a 2-hour duration. Accuracy is critical, as a negative marking penalty of 0.25 marks applies to every incorrect answer.
- Syllabus Breakdown: The exam is split into two halves. Section-A (100 marks) tests General Awareness, General Intelligence & Reasoning, Arithmetical & Numerical Ability, Hindi Language, and English Language. Section-B (100 marks) is exclusively domain-specific, testing the candidate’s core optometry knowledge based on their prescribed qualification.
- Salary Structure: Selected candidates are placed in Pay Level 5, which offers a highly competitive basic pay scale ranging from ₹29,200 to ₹92,300.
Practicing previous year MCQs is the best way to conquer this syllabus, improve your speed, and successfully secure your spot in the next DSSSB Optometrist vacancy.
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