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Topic Vision defects
Asked 2 times across 2 UPSC exams over 38 years (1986–2024), peaking in 1986.
Key insights
- Most tested in CSE — 1 of 2 PYQs
- Most asked in 1986
- Recurs across 2 years (1986–2024)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1986 → CDS 2024
How the concept evolved
Long-running — most appearances (1 of 2) predate 2016, and it still returns.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2024
Which of the following statements suffering from presbyopia is/are correct ?
- They cannot distinguish colours
- It usually develops with ageing
- They wear either bi-focal lenses consisting of both concave and convex lenses or progressive lenses. Select the answer
using the code given below :
- A 1 only
- B 2 only
- C 1 and 3
- D 2 and 3 ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
CSE1986
In the given figure, if P is a point of the source of light, R is retina and L is the lens of the eye, the person having such condition of his eyes is suffering from
- A Cataract
- B Myopia
- C Hypermetropic ✓
- D Night Blindness
✓ Correct answer: (C)
Science & Technology › Biology & Health
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