Cataract: 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 · Cataract

Sample item

An older adult has gradually progressive painless blur and a reduced red reflex on examination. Opacity of which ocular structure most likely explains this finding?

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

The answer and the reasoning

C. Crystalline lens

The finding is best explained by Crystalline lens; this is the key Cataract principle that matches the presentation described in the question.

Option by option

  • A. Retina

    Retina does not account for the defining cataract feature.

  • B. Corneal epithelium

    Corneal epithelium can occur in a different setting but is not the best answer here.

  • C. Crystalline lens (correct)

    Correct. Crystalline lens is the appropriate conclusion for the decisive clue.

  • D. Optic nerve

    Optic nerve does not fit the symptom pattern or examination finding provided.

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.

More Ophthalmology questions

Questions about this Ophthalmology question

What is the answer to this Ophthalmology question?

The best answer is C, Crystalline lens. The finding is best explained by Crystalline lens; this is the key Cataract principle that matches the presentation described in the question.

Why is "Retina" not the answer?

Retina does not account for the defining cataract feature.

Why is "Corneal epithelium" not the answer?

Corneal epithelium can occur in a different setting but is not the best answer here.

Why is "Optic nerve" not the answer?

Optic nerve does not fit the symptom pattern or examination finding provided.

What concept does this question test?

It tests Cataract in Ophthalmology. The correct option holds because: Correct. Crystalline lens is the appropriate conclusion for the decisive clue.

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 Cataract?

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.