Visual pathways: practice question

A Ophthalmology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Ophthalmology · Visual pathways

Sample item

Which test detects a relative afferent pupillary defect?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

C. Swinging flashlight test

The swinging flashlight test compares afferent pupillary input between eyes and identifies asymmetry from optic-nerve or severe retinal disease.

Option by option

  • A. Ishihara plates

    Ishihara tests colour discrimination.

  • B. Amsler grid

    Amsler grid tests macular distortion.

  • C. Swinging flashlight test (correct)

    Correct: alternating illumination reveals RAPD.

  • D. Schirmer strip

    Schirmer tests tears.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More Ophthalmology questions

Questions about this Ophthalmology question

What is the answer to this Ophthalmology question?

The best answer is C, Swinging flashlight test. The swinging flashlight test compares afferent pupillary input between eyes and identifies asymmetry from optic-nerve or severe retinal disease.

Why is "Ishihara plates" not the answer?

Ishihara tests colour discrimination.

Why is "Amsler grid" not the answer?

Amsler grid tests macular distortion.

Why is "Schirmer strip" not the answer?

Schirmer tests tears.

What concept does this question test?

It tests Visual pathways in Ophthalmology. The correct option holds because: Correct: alternating illumination reveals RAPD.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Visual pathways?

Group the red eye by what to examine and what the pupil does. Then use the flashcards and the other Ophthalmology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.