Ocular anatomy: 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 · Ocular anatomy

Sample item

Which transparent biconvex structure changes shape to fine-tune ocular focus?

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

The answer and the reasoning

B. Crystalline lens

The crystalline lens changes curvature through accommodation, allowing the eye to fine-tune focus for objects at different viewing distances.

Option by option

  • A. Choroid

    Choroid is the vascular layer supplying outer retina.

  • B. Crystalline lens (correct)

    Correct: the lens changes shape to adjust focus.

  • C. Optic disc

    Optic disc is where optic nerve fibers exit the eye.

  • D. Sclera

    Sclera is the tough opaque outer coat.

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 B, Crystalline lens. The crystalline lens changes curvature through accommodation, allowing the eye to fine-tune focus for objects at different viewing distances.

Why is "Choroid" not the answer?

Choroid is the vascular layer supplying outer retina.

Why is "Optic disc" not the answer?

Optic disc is where optic nerve fibers exit the eye.

Why is "Sclera" not the answer?

Sclera is the tough opaque outer coat.

What concept does this question test?

It tests Ocular anatomy in Ophthalmology. The correct option holds because: Correct: the lens changes shape to adjust focus.

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 Ocular anatomy?

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.