Master Ocular Anatomy: DSSSB Optometrist Previous Year MCQs & Solutions
Strengthen your Section-B technical preparation with this high-yield compilation of DSSSB Optometrist Previous Year MCQs focused on Ocular Anatomy and Embryology. This solved question set breaks down the core anatomical structures and clinical landmarks frequently tested by the examination board.
Key concepts covered in this guide include:
- Bony orbit composition, orbital volume, and structures traversing the superior orbital fissure
- Corneal dimensions, nasolacrimal duct anatomy, and the suspensory ligament of Lockwood
- Retinal layer organization and extraocular muscle structures
- Essential ocular embryology milestones, including optic pit emergence and iris development
Practicing authentic DSSSB Optometrist PYQs is the most reliable way to identify recurring test trends, eliminate conceptual confusion, and sharpen your answering speed. Review these solved multiple-choice questions with detailed anatomical rationales to reinforce your subject foundation and maximize your score in the domain-specific technical paper.
Practice DSSSB Optometrist Previous Year MCQs on “Ocular Anatomy”:
Q-1: Which of the following bones do NOT make up the bony orbit? (DSSSB Optometrist Previous Year MCQs 2019)
a. Maxilla
b. Frontal
c. Zygomatic
d. Parietal
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Answer: d. Parietal
The bony orbit is composed of seven specific cranial and facial bones: the maxilla, frontal, zygomatic, ethmoid, lacrimal, sphenoid, and palatine bones. The parietal bone forms the upper-lateral vault of the cranium and does not extend into the orbital cavity.
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Q-2: The volume of an adult bony orbit is: (DSSSB Optometrist PYQs 2019)
a. 30 ml
b. 50 ml
c. 70 ml
d. 60 ml
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Answer: a. 30 ml
The average volume of a fully developed human bony orbit is approximately 30 milliliters. This compact space is designed to protect and house the globe of the eye, along with the extraocular muscles, orbital fat, and necessary neurovascular structures.
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Q-3: The structures passing from the superior orbital fissure are: (DSSSB Optometrist Previous Year MCQs 2019)
a. III, IV, ophthalmic artery
b. III, IV, superior ophthalmic Vein
c. II, VI, superior ophthalmic Vein
d. III, VI, ophthalmic artery and vein
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Answer: b. III, IV, superior ophthalmic V
The superior orbital fissure is a critical cranial gateway that transmits cranial nerves III (oculomotor), IV (trochlear), and VI (abducens), along with the ophthalmic division of the trigeminal nerve (V1) and the superior ophthalmic vein. The ophthalmic artery does not pass through this fissure; instead, it enters the orbit through the optic canal with the optic nerve (CN II).
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Q-4: The opening of the nasolacrimal duct in the nose is at: (DSSSB Optometrist PYQs 2019)
a. Middle meatus
b. Inferior meatus
c. Lacrimal sac
d. Above the middle meatus
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Answer: b. Inferior meatus
The tear drainage system channels fluid from the eye into the lacrimal sac, which then empties into the nasolacrimal duct. This duct courses downwards and terminates in the nasal cavity beneath the inferior nasal concha, an anatomical space referred to as the inferior meatus.
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Q-5: The vertical and horizontal anterior diameter, respectively, of cornea in adults is: (DSSSB Optometrist Previous Year MCQs 2019)
a. About 11 and 12 mm
b. About 12 and 11 mm
c. About 12 and 13 mm
d. About 11 and 13 mm
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Answer: a. About 11 and 12 mm
The adult cornea is not perfectly spherical; it takes on a slightly elliptical shape when viewed from the front. Its anterior vertical diameter is typically about 11 mm, while the horizontal diameter is slightly wider, measuring approximately 12 mm.
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Q-6: How many layers are there in the neurosensory retina? (DSSSB Optometrist PYQs 2024)
a. 9
b. 10
c. 11
d. 12
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Answer: a. 9
The human retina is classically described as having 10 distinct anatomical layers. The outermost layer is the retinal pigment epithelium (RPE), and the remaining 9 inner layers collectively form the neurosensory retina, which is responsible for capturing light and initiating the visual signal cascade.
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Q-7: Which tissue of the eye is called the suspensory ligament of Lockwood? (DSSSB Optometrist Previous Year MCQs 2024)
a. Fascia bulbi
b. Optic nerve
c. Descemet’s membrane
d. Aqueous layer
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Answer: a. Fascia bulb
The suspensory ligament of Lockwood is a hammock-like structure derived from the lower part of the fascia bulbi, also known as Tenon’s capsule. It provides critical structural support to the globe of the eye, helping maintain its position within the orbit.
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Q-8: How many extraocular muscles are present in the human eye? (DSSSB Optometrist PYQs 2024)
a. Four
b. Six
c. Two
d. Nine
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Answer: b. Six
There are six extraocular muscles responsible for controlling the precise movements of each human eye. These consist of four rectus muscles (superior, inferior, medial, lateral) and two oblique muscles (superior, inferior).
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Q-9: On which day do the optic pits form in a developing embryo? (DSSSB Optometrist Previous Year MCQs 2024)
a. Day 27
b. Day 33
c. Day 17
d. Day 22
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Answer: d. Day 22
The optic pits, which are the earliest anatomical precursors of the eyes, emerge around day 22 of embryonic development. These pits eventually invaginate to form the optic vesicles, which later develop into the optic cups and contribute to the formation of the retina and other ocular structures.
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Q-10: Where do the stroma and blood vessels of the iris develop from? (DSSSB Optometrist PYQs 2024)
a. Visceral mesoderm
b. Neural ectoderm
c. Anterior epithelium
d. Vascular mesenchyme
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Answer: d. Vascular mesenchyme
The stroma and blood vessels of the iris develop from vascular mesenchyme, which is derived from neural crest cells. In contrast, the neural ectoderm contributes to the pigmented layers of the iris, while the vascular mesenchyme forms the supportive connective tissue and vascular network.
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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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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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