Ocular examination: 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 · Ocular examination

Sample item

What test evaluates color discrimination?

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

The answer and the reasoning

C. Ishihara plates

Ishihara plates use colored dot patterns to test red-green color discrimination and can reveal congenital or acquired color-vision deficits.

Option by option

  • A. Snellen chart

    Snellen chart measures distance visual acuity.

  • B. Schirmer test

    Schirmer test measures tear production.

  • C. Ishihara plates (correct)

    Correct: Ishihara plates screen red-green color discrimination.

  • D. Tonometry

    Tonometry measures intraocular pressure.

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.

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Questions about this Ophthalmology question

What is the answer to this Ophthalmology question?

The best answer is C, Ishihara plates. Ishihara plates use colored dot patterns to test red-green color discrimination and can reveal congenital or acquired color-vision deficits.

Why is "Snellen chart" not the answer?

Snellen chart measures distance visual acuity.

Why is "Schirmer test" not the answer?

Schirmer test measures tear production.

Why is "Tonometry" not the answer?

Tonometry measures intraocular pressure.

What concept does this question test?

It tests Ocular examination in Ophthalmology. The correct option holds because: Correct: Ishihara plates screen red-green color discrimination.

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 Ocular examination?

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.