Lens: Endophthalmitis Vitrectomy Study: 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 · Lens: Endophthalmitis Vitrectomy Study

Sample item

A patient with post cataract surgery endophthalmitis has vision of perception of light only. According to the EVS, what is the management?

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

The answer and the reasoning

A. Immediate vitrectomy with intravitreal antibiotics

The EVS showed that for vision of hand motions or better, tap and inject is adequate, but for light perception or worse, immediate vitrectomy gave better outcomes. Systemic antibiotics added no benefit. Intravitreal vancomycin and ceftazidime are used.

Option by option

  • A. Immediate vitrectomy with intravitreal antibiotics (correct)

    Correct. LP-only vision needs immediate vitrectomy.

  • B. Vitreous tap and intravitreal antibiotics only

    Tap and inject is enough for hand-motion or better vision.

  • C. Topical antibiotics alone

    Topical antibiotics cannot reach the vitreous.

  • D. Systemic antibiotics alone

    Systemic antibiotics were not beneficial in EVS.

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 A, Immediate vitrectomy with intravitreal antibiotics. The EVS showed that for vision of hand motions or better, tap and inject is adequate, but for light perception or worse, immediate vitrectomy gave better outcomes.

Why is "Vitreous tap and intravitreal antibiotics only" not the answer?

Tap and inject is enough for hand-motion or better vision.

Why is "Topical antibiotics alone" not the answer?

Topical antibiotics cannot reach the vitreous.

Why is "Systemic antibiotics alone" not the answer?

Systemic antibiotics were not beneficial in EVS.

What concept does this question test?

It tests Lens: Endophthalmitis Vitrectomy Study in Ophthalmology. Systemic antibiotics added no benefit. Intravitreal vancomycin and ceftazidime are used.

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 Lens: Endophthalmitis Vitrectomy Study?

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.