Q-16: Final refractive error correction is given after how many days of Small Incision Manual cataract surgery? (GSSSB Ophthalmic Officer Previous Year MCQs)
(A) 4 weeks
(B) 6 weeks
(C) 8 weeks
(D) 12 weeks
Click “Show more” to see the answer and explanation.
Answer: b. 6 weeks
After Small Incision Manual Cataract Surgery (SICS), the eye needs time to heal and stabilize. The final refractive error correction, which involves prescribing new glasses, is typically done after a period of about 6 weeks. This waiting period allows the corneal swelling to subside and the refractive power of the eye to stabilize.
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Q-17: Which low vision patient would most likely experience the most difficulty in driving with city traffic? (GSSSB Optometry Previous Year MCQs)
(A) a patient with congenital nystagmus
(B) a patient with ocular albinism
(C) a patient with advanced glaucoma
(D) a patient with blue cone monochromatism
Click “Show more” to see the answer and explanation.
Answer: c. a patient with advanced glaucoma
Advanced glaucoma causes significant damage to the optic nerve, leading to progressive loss of peripheral vision. This peripheral field loss is a major safety concern for driving, especially in city traffic where a wide field of view is essential for detecting other vehicles, pedestrians, and traffic signals.
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Q-18: The sclera is thinnest at the: (GSSSB Ophthalmic Officer Previous Year MCQs)
(A) Limbus
(B) Equator
(C) Posterior pole
(D) Near insertion of recti muscles
Click “Show more” to see the answer and explanation.
Answer: d. Near insertion of recti muscles
The sclera is the white outer layer of the eyeball. While it is generally strong and thick, it is thinnest where the extraocular muscles (rectii muscles) insert into it. This area is a point of potential weakness during surgical procedures or in certain pathological conditions.
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Q-19: Which ocular disorder in its advanced stages, would respond best to minification? (GSSSB Optometry Previous Year MCQs)
(A) ARMD
(B) Aniridia
(C) Toxoplasmosis
(D) Retinitis Pigmentosa
Click “Show more” to see the answer and explanation.
Answer: d. RP
Retinitis Pigmentosa (RP) is a group of inherited eye diseases that cause a gradual decline in vision. In its advanced stages, it leads to a severely constricted “tunnel vision.” Minification, which reduces the size of an image, can be useful for these patients as it allows them to see a wider field of view, helping them to navigate and perform daily tasks.
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Q-20: The angle substended by each limb of a letter of Snellen’s visual acuity chart is? (GSSSB Ophthalmic Officer Previous Year MCQs)
(A) 5 minutes of an arc
(B) 2 minutes of an arc
(C) 1 minute of an arc
(D) 3 minutes of an arc
Click “Show more” to see the answer and explanation.
Answer: c. 1 minute of an arc
The Snellen visual acuity chart is based on the principle that the smallest letters a person with normal vision can read from a certain distance subtend an angle of 5 minutes of an arc at the eye. Each component part of the letter, such as a limb, subtends an angle of 1 minute of an arc.
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Q-21: Which of the following is NOT used for testing colour vision? (GSSSB Optometry Previous Year MCQs)
(A) Ishihara’s chart test
(B) Farnsworth Munsell test
(C) Lantern test
(D) Fincham’s test
Click “Show more” to see the answer and explanation.
Answer: d. Fincham’s test
The Ishihara, Farnsworth-Munsell, and Lantern tests are all standard clinical tools used to detect and classify color vision deficiencies. Fincham’s test, however, is a test used for assessing the accommodative response of the eye.
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Q-22: For a +3.00 D hyperope who is fixing at an object at 40 cm. The accommodative demand is? (GSSSB Ophthalmic Officer Previous Year MCQs)
(A) +1.50 D
(B) +3.50 D
(C) +4.50 D
(D) +5.50 D
Click “Show more” to see the answer and explanation.
Answer: d. +5.50 D
The accommodative demand is the total amount of accommodation required to focus on an object. It is calculated by adding the refractive error to the accommodative demand at a specific distance. The accommodative demand for an object at 40 cm is +2.50 D (100/40 = 2.5). When you add the +3.00 D of hyperopia, the total demand is +5.50 D.
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Q-23: Which kind of incision is made during chalazion excision from the conjunctival side? (GSSSB Optometry Previous Year MCQs)
(A) Horizontal
(B) Vertical
(C) Oblique
(D) Any
Click “Show more” to see the answer and explanation.
Answer: b. Vertical
A vertical incision is made on the conjunctival side to excise a chalazion. This is done to avoid cutting across the meibomian glands, which have a vertical orientation in the eyelid. Cutting horizontally could damage these glands and disrupt tear film stability.
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Q-24: In Keratoconic patients the type of astigmatism commonly seen is? (GSSSB Ophthalmic Officer Previous Year MCQs)
(A) Regular astigmatism
(B) Irregular astigmatism
(C) Oblique astigmatism
(D) Simple astigmatism
Click “Show more” to see the answer and explanation.
Answer: b. Irregular astigmatism
Keratoconus is a progressive eye disease in which the cornea thins and takes on a conical shape. This irregular shape of the cornea causes irregular astigmatism, which cannot be corrected with conventional spectacle lenses.
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Q-25: Mucous layer of the tear film is principally secreted by: (GSSSB Optometry Previous Year MCQs)
(A) Meibomian glands
(B) Lacrimal glands
(C) Conjunctival goblet cells
(D) Sweat glands
Click “Show more” to see the answer and explanation.
Answer: c. Conjunctival goblet cells
The tear film is composed of three layers: lipid, aqueous, and mucous. The mucous layer, which is the innermost layer, is produced by the conjunctival goblet cells. This layer helps the aqueous layer spread evenly over the corneal surface.
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Q-26: If a single vision lens is placed in the lensometer in the reverse position (concave side towards observer), the power value obtained is a measure of? (GSSSB Ophthalmic Officer Previous Year MCQs)
(A) Equivalent power
(B) Back vertex power
(C) Effective power
(D) Front vertex power
Click “Show more” to see the answer and explanation.
Answer: d. Front vertex power
A lensometer is an instrument used to measure the power of a lens. When a lens is placed in the reverse position, with its concave side facing the observer, the instrument measures the front vertex power. This is the power measured from the front surface of the lens.
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Q-27: Which of the following is NOT a method for performing anterior capsulotomy? (GSSSB Optometry Previous Year MCQs)
(A) Can opener
(B) Linear
(C) Continuous circular
(D) Needling
Click “Show more” to see the answer and explanation.
Answer: d. Needling
Anterior capsulotomy is a procedure used in cataract surgery to create an opening in the front capsule of the lens. The “can opener,” “linear,” and “continuous circular” methods are all valid techniques for this. Needling is a different procedure, typically used to treat posterior capsular opacification after cataract surgery.
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Q-28: The outermost area of Lenticular lens is called as? (GSSSB Ophthalmic Officer Previous Year MCQs)
(A) Carrier
(B) Aperture
(C) Both A and B
(D) None of the above
Click “Show more” to see the answer and explanation.
Answer: a. Carrier
A lenticular lens is a lens with a central optical zone (the aperture) surrounded by a peripheral non-optical zone known as the carrier. This design is used to reduce the thickness and weight of high-power spectacle lenses, especially for aphakic patients.
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Q-29: Dioptric power of the cornea is approximately: (GSSSB Optometry Previous Year MCQs)
(A) 35 dioptres
(B) 38 dioptres
(C) 43 dioptres
(D) 45 dioptres
Click “Show more” to see the answer and explanation.
Answer: c. 43 dioptres
The cornea is the most powerful refracting surface of the eye. Its average refractive power is approximately +43 dioptres. This power is crucial for focusing light onto the retina, and any irregularities in its curvature can lead to refractive errors like astigmatism.
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Q-30: Which optical device has the smallest field of view for comparable levels of magnification? (GSSSB Ophthalmic Officer Previous Year MCQs)
(A) hand held magnifier
(B) telescope
(C) contact lens combined telescope
(D) fresnel prism
Click “Show more” to see the answer and explanation.
Answer: b. telescope
Among the given options, a telescope typically has the smallest field of view for a given magnification. Telescopes provide high magnification, but this comes at the cost of a narrow field of view. Other low vision aids like magnifiers have a much wider field of view.
Prepare for a full year of opportunities! Our “Gov Job Preparation” course gives you 12 months of access to top-quality materials and support. Cover all major exams like GSSSB, AIIMS, RRB, Ophthalmic Officer without buying multiple courses. It’s the smartest investment for your career.
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