Glaucoma: perimetry: 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 · Glaucoma: perimetry

Sample item

Which statement is true about automated static perimetry in glaucoma follow-up?

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

The answer and the reasoning

D. It detects progression by comparing serial fields

Humphrey perimetry measures thresholds across the central 30 degrees, and progression is detected by serial comparison. Reliability indices such as fixation losses and false positives must be checked.

Option by option

  • A. It can only detect central scotomas

    It tests the whole central field, not just the centre.

  • B. It is used instead of OCT in all cases

    It complements structural tests such as OCT.

  • C. It is unaffected by patient reliability

    Results depend heavily on patient reliability.

  • D. It detects progression by comparing serial fields (correct)

    Correct. Serial testing identifies progression.

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 D, It detects progression by comparing serial fields. Humphrey perimetry measures thresholds across the central 30 degrees, and progression is detected by serial comparison.

Why is "It can only detect central scotomas" not the answer?

It tests the whole central field, not just the centre.

Why is "It is used instead of OCT in all cases" not the answer?

It complements structural tests such as OCT.

Why is "It is unaffected by patient reliability" not the answer?

Results depend heavily on patient reliability.

What concept does this question test?

It tests Glaucoma: perimetry in Ophthalmology. Reliability indices such as fixation losses and false positives must be checked.

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 Glaucoma: perimetry?

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.