Retina: lattice degeneration: 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 · Retina: lattice degeneration

Sample item

A high myope whose fellow eye has had a retinal detachment now shows lattice degeneration with atrophic holes in the peripheral retina. What is the appropriate prophylactic treatment?

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

The answer and the reasoning

C. Barrage laser photocoagulation around the lesions

Lattice is a vitreoretinal degeneration with thinning, round atrophic holes and vitreous traction at its margin, common in myopes, and is a risk factor for retinal detachment. Symptomatic breaks or high-risk lattice (such as a fellow eye with RD) are treated with laser. Simple asymptomatic lattice is observed.

Option by option

  • A. Intravitreal gas

    Gas is used in pneumatic retinopexy for detachment.

  • B. Observation without follow-up

    Observation alone is inadequate for a high-risk lesion such as this.

  • C. Barrage laser photocoagulation around the lesions (correct)

    Correct. Laser retinopexy seals the break in symptomatic or high-risk lesions.

  • D. Scleral buckle

    A buckle is for established detachment.

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 C, Barrage laser photocoagulation around the lesions. Lattice is a vitreoretinal degeneration with thinning, round atrophic holes and vitreous traction at its margin, common in myopes, and is a risk factor for retinal detachment.

Why is "Intravitreal gas" not the answer?

Gas is used in pneumatic retinopexy for detachment.

Why is "Observation without follow-up" not the answer?

Observation alone is inadequate for a high-risk lesion such as this.

Why is "Scleral buckle" not the answer?

A buckle is for established detachment.

What concept does this question test?

It tests Retina: lattice degeneration in Ophthalmology. Symptomatic breaks or high-risk lattice (such as a fellow eye with RD) are treated with laser. Simple asymptomatic lattice is observed.

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 Retina: lattice degeneration?

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.