High-Yield Topics Covered in This Pediatric Optometry Practice Set
High-Yield Topics Covered in This Dispensing Optics Practice Set
To maximize your score in the 90-mark objective exam, rigorous practice using BFUHS Ophthalmic Officer Previous Year MCQs is essential. Dispensing Optics carries significant weightage, and this blog features 10 highly-tested Ophthalmic Officer MCQs with step-by-step optical calculations and clinical explanations:
- Lens Power & Dioptric Calculations: Converting focal length in centimeters to diopters (e.g., a 10cm focal length equals +10.00 D).
- Spherical Equivalent & Lens Transposition: Step-by-step breakdown of adding half the cylinder power to the sphere, and transposing prescriptions from minus cylinder to plus cylinder forms.
- Presbyopia in Myopes: Understanding why a 42-year-old myope with 6/6 distance vision experiences near-vision discomfort requiring bifocal lenses.
- Prism Optics & Properties: How a prism forms a virtual, erect image displaced towards its apex for binocular vision therapy.
- Ophthalmic Lens Materials: Properties of CR-39 (Columbia resin 39) used for lightweight, impact-resistant spectacle lens manufacturing.
- Jackson Cross Cylinder (JCC): Identifying the 45-degree angle positioning of the handle relative to the principal meridians for astigmatism testing.
- Correction of Refractive Errors: Utilizing convex lenses for hypermetropia and cylindrical lenses to neutralize astigmatic curvatures.
Practice BFUHS Previous Year MCQs on “Pediatric Optometry”:
Q-1: Power of lens with 10cm focal length is: (BFUHS Ophthalmic Officer Previous Year MCQs)
A) 1/10D
B) 1D
C) 10D
D) 100D
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Q-2: The spherical equivalent of a lens with power +3.00 D Sph/-2.00 D Cyl X120 degree is: (BFUHS Optometry Previous Year Question Paper)
A) +1.00 D Sph
B) +2.00 D Sph
C) -5.00 D Sph
D) -1.00 D Sph
Click “Show more” to see the answer and explanation.
Answer: B) +2.00 D Sph
The spherical equivalent is determined by adding half of the cylinder power to the sphere power (Sphere + Cylinder/2). Adding half of -2.00 D (-1.00 D) to the sphere of +3.00 D results in a spherical equivalent of +2.00 D.
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Q-3: Transpose the power -4.0DS/-3.00 DC x 45 degree: (BFUHS Ophthalmic Officer Previous Year MCQs)
A) -4.00 DS/+3.00 DC x 135 degree
B) +4.00 DS/-3.00 DC x 135 degree
C) -7.00 DS/+3.00 DC x 135 degree
D) -7.00 DS/-3.00 DC x 135 degree
Click “Show more” to see the answer and explanation.
Answer: C) -7.00 DS/+3.00 DC x 135 degree
Transposition involves algebraic addition of the sphere and cylinder to find the new sphere (-4.00 + -3.00 = -7.00), changing the sign of the cylinder (+3.00), and rotating the axis by 90 degrees (45 + 90 = 135). This converts the prescription from minus cylinder form to plus cylinder form.
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Q-4: A 42-year-old myopic man recently changes his glasses and finds them uncomfortable despite having a visual acuity of 6/6 in both eyes. The following may be responsible: (BFUHS Optometry Previous Year Question Paper)
A) Scratchy lens
B) Onset of presbyopia
C) Change of axis
D) Decentering of the lens
Click “Show more” to see the answer and explanation.
Answer: B) Onset of presbyopia
Myopes often experience discomfort due to the onset of presbyopia, especially in their early 40s. The reduced accommodative ability leads to difficulty with near vision, causing symptoms despite good distance visual acuity.
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Q-5: Image formed by a prism is: (BFUHS Ophthalmic Officer Previous Year MCQs)
A) Virtual
B) Erect
C) Displaced towards the apex
D) All of the above
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Q-6: A bifocal lens is used as a remedy for which of the following diseases of the eye? (BFUHS Ophthalmic officer Previous Year Question Paper)
A) Myopia
B) Presbyopia
C) Hypermetropia
D) Astigmatism
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Q-7: CR-39 (Columbia resin 39) is used for/as: (BFUHS Ophthalmic Officer Previous Year MCQs)
A) Anti-glaucoma medication
B) Spectacle lens manufacture
C) Ink in OCT machine printers
D) Antibiotic eyedrops
Click “Show more” to see the answer and explanation.
Answer: B) Spectacle lens manufacture
CR-39 is a lightweight, durable plastic material commonly used for making spectacle lenses. It offers excellent optical clarity, impact resistance, and is lighter than glass, making it a popular choice for ophthalmic lenses.
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Q-8: In Jackson’s crossed cylinder, the handle is at ____ degrees to its major and minor cylindrical axes: (BFUHS Ophthalmic officer Previous Year Question Paper)
A) 180°
B) 90°
C) 45°
D) None
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Answer: C) 45°
The Jackson Cross Cylinder is designed with its handle positioned at a 45-degree angle to the principal meridians of the lens. This configuration allows the examiner to flip the lens to present two alternative cylindrical corrections to the patient for comparison.
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Q-9: Hypermetropia is corrected using: (BFUHS Ophthalmic Officer Previous Year MCQs)
A) Concave lenses
B) Convex lenses
C) Cylindrical lenses
D) Bifocal lenses
Click “Show more” to see the answer and explanation.
Answer: B) Convex lenses
Hypermetropia is corrected using convex (plus) lenses, which converge light rays to focus them on the retina. These lenses add the necessary refractive power to compensate for the eye’s insufficient focusing ability.
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Q-10: A cylindrical lens is used to correct: (BFUHS Ophthalmic Officer Previous Year MCQs)
A) Myopia
B) Hyperopia
C) Astigmatism
D) Presbyopia
Click “Show more” to see the answer and explanation.
Answer: C) Astigmatism
Cylindrical lenses are specifically designed to correct astigmatism by focusing light in one meridian while having no power in the perpendicular meridian. This neutralizes the irregular corneal or lenticular curvature.
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BFUHS Ophthalmic Officer 2026
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📋 Key Recruitment Highlights & Exam Pattern:
- Recruiting Body: Baba Farid University of Health Sciences (BFUHS), Faridkot (on behalf of the Directorate of Health & Family Welfare, Punjab).
- Pay Scale: Initial Pay Scale is ₹10,300–34,800 + Grade Pay ₹3,800, with a revised 7th Pay Commission convergence starting salary of ₹35,400/- per month.
- Essential Qualification: Must have passed 10+2 in Science with Biology (or equivalent) AND hold a Diploma in Ophthalmic Assistant from a recognized university or institution. (Note: As per Term & Condition No. 20, candidates with higher qualifications like BSc Optometry can apply, but no extra weightage or bonus marks will be given for higher qualifications).
- Selection Process & Weightage (100 Marks Total):
- Written Examination: 90 Marks (Objective MCQ test conducted by BFUHS). Candidates must score a minimum of 33% marks in the written test to be eligible.
- Experience Marks: 10 Marks (Awarded for prior work experience in Punjab Government health institutions as per state norms).
- Mandatory Language Rule: Candidates must have passed Matriculation (10th standard) with Punjabi as a compulsory or elective subject.
- Age Limit (As on 01.01.2026): 18 to 37 years. Upper age relaxations apply: 5 years for SC/BC, 10 years for Physically Handicapped, and up to 45 years for State/Central Govt employees.
- Application Fee: ₹2,360/- for All Categories except SC (₹2,000 + 18% GST); ₹1,180/- for SC Category (₹1,000 + 18% GST).
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