Lids: congenital ptosis management: 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 · Lids: congenital ptosis management

Sample item

A 3-year-old child has unilateral congenital ptosis with levator function of 2 mm. Which procedure is preferred?

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

The answer and the reasoning

C. Frontalis sling

Poor levator function (under 4 mm) is treated by frontalis suspension using silicone rod or fascia lata. Levator resection needs fair function of 5 mm or more. Early surgery is done if the pupil is covered, to prevent amblyopia.

Option by option

  • A. Observation until age 15

    Waiting risks deprivation amblyopia if the visual axis is covered.

  • B. Fasanella-Servat operation

    Fasanella-Servat is for mild ptosis with good function such as Horner syndrome.

  • C. Frontalis sling (correct)

    Correct. Frontalis sling is used when levator function is poor.

  • D. Levator resection

    Levator resection needs a reasonable levator action.

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, Frontalis sling. Poor levator function (under 4 mm) is treated by frontalis suspension using silicone rod or fascia lata.

Why is "Observation until age 15" not the answer?

Waiting risks deprivation amblyopia if the visual axis is covered.

Why is "Fasanella-Servat operation" not the answer?

Fasanella-Servat is for mild ptosis with good function such as Horner syndrome.

Why is "Levator resection" not the answer?

Levator resection needs a reasonable levator action.

What concept does this question test?

It tests Lids: congenital ptosis management in Ophthalmology. Levator resection needs fair function of 5 mm or more. Early surgery is done if the pupil is covered, to prevent amblyopia.

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 Lids: congenital ptosis management?

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.