Glaucoma: pigment dispersion: 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: pigment dispersion

Sample item

A 30-year-old myopic man has a vertical spindle of pigment on the central corneal endothelium and mid-peripheral iris transillumination defects. What is the diagnosis?

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

The answer and the reasoning

B. Pigmentary glaucoma

Krukenberg's spindle and iris transillumination defects indicate pigment dispersion, where the iris rubs against zonules. It is more common in young myopic white males.

Option by option

  • A. Iridocorneal endothelial syndrome

    ICE syndrome occurs in women with a corneal endothelial abnormality.

  • B. Pigmentary glaucoma (correct)

    Correct. This triad characterises pigment dispersion.

  • C. Fuchs heterochromic cyclitis

    Fuchs heterochromic cyclitis shows stellate keratic precipitates.

  • D. Pseudoexfoliation syndrome

    Pseudoexfoliation shows white flaky material on the lens in the elderly.

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 B, Pigmentary glaucoma. Krukenberg's spindle and iris transillumination defects indicate pigment dispersion, where the iris rubs against zonules.

Why is "Iridocorneal endothelial syndrome" not the answer?

ICE syndrome occurs in women with a corneal endothelial abnormality.

Why is "Fuchs heterochromic cyclitis" not the answer?

Fuchs heterochromic cyclitis shows stellate keratic precipitates.

Why is "Pseudoexfoliation syndrome" not the answer?

Pseudoexfoliation shows white flaky material on the lens in the elderly.

What concept does this question test?

It tests Glaucoma: pigment dispersion in Ophthalmology. It is more common in young myopic white males.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. 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: pigment dispersion?

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.