Retinal vascular emergencies: 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 · Retinal vascular emergencies

Sample item

What presentation is typical of central retinal artery occlusion?

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

The answer and the reasoning

D. Sudden painless profound monocular vision loss

Central retinal artery occlusion causes abrupt painless severe loss of vision in one eye and is an ocular vascular emergency that requires urgent stroke-risk evaluation as well as ophthalmic assessment.

Option by option

  • A. Nighttime snoring with apneas

    Snoring and apneas suggest obstructive sleep apnea.

  • B. Itchy eyelids after cosmetics

    Cosmetic-related itchy lids suggest contact dermatitis or allergy.

  • C. Slow painful bilateral red eyes

    Slow painful red eyes have a different anterior-segment differential.

  • D. Sudden painless profound monocular vision loss (correct)

    Correct: abrupt painless one-eye vision loss is the classic arterial occlusion pattern.

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, Sudden painless profound monocular vision loss. Central retinal artery occlusion causes abrupt painless severe loss of vision in one eye and is an ocular vascular emergency that requires urgent stroke-risk evaluation as well as ophthalmic assessment.

Why is "Nighttime snoring with apneas" not the answer?

Snoring and apneas suggest obstructive sleep apnea.

Why is "Itchy eyelids after cosmetics" not the answer?

Cosmetic-related itchy lids suggest contact dermatitis or allergy.

Why is "Slow painful bilateral red eyes" not the answer?

Slow painful red eyes have a different anterior-segment differential.

What concept does this question test?

It tests Retinal vascular emergencies in Ophthalmology. The correct option holds because: Correct: abrupt painless one-eye vision loss is the classic arterial occlusion pattern.

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 Retinal vascular emergencies?

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.