Conjunctiva and cornea: Hudson-Stahli line: 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 · Conjunctiva and cornea: Hudson-Stahli line

Sample item

A 65-year-old man has a faint horizontal brown line in the corneal epithelium at the junction of the lower third with the upper two-thirds. He is asymptomatic. What is this line called?

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

The answer and the reasoning

A. Hudson-Stahli line

The Hudson-Stahli line is an age-related horizontal epithelial iron deposit at the level of lid closure, usually in the lower third of the cornea. It is harmless and needs no treatment.

Option by option

  • A. Hudson-Stahli line (correct)

    Correct. This is a benign age-related iron line.

  • B. Stocker line

    The Stocker line is an iron line at the leading edge of a pterygium.

  • C. Ferry line

    The Ferry line lies in front of a filtering bleb.

  • D. Kayser-Fleischer ring

    The Kayser-Fleischer ring is a copper ring in Descemet membrane at the limbus.

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 A, Hudson-Stahli line. The Hudson-Stahli line is an age-related horizontal epithelial iron deposit at the level of lid closure, usually in the lower third of the cornea.

Why is "Stocker line" not the answer?

The Stocker line is an iron line at the leading edge of a pterygium.

Why is "Ferry line" not the answer?

The Ferry line lies in front of a filtering bleb.

Why is "Kayser-Fleischer ring" not the answer?

The Kayser-Fleischer ring is a copper ring in Descemet membrane at the limbus.

What concept does this question test?

It tests Conjunctiva and cornea: Hudson-Stahli line in Ophthalmology. It is harmless and needs no treatment.

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 Conjunctiva and cornea: Hudson-Stahli line?

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.