Orbit: blowout fracture: 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 · Orbit: blowout fracture

Sample item

After being hit by a cricket ball, a patient has diplopia on upgaze, enophthalmos and numbness of the cheek. What is the diagnosis?

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

The answer and the reasoning

C. Orbital floor blowout fracture

A blow to the globe raises orbital pressure and fractures the thin floor, trapping the inferior rectus and causing infraorbital nerve hypoaesthesia. The teardrop sign is seen on CT or X-ray.

Option by option

  • A. Orbital apex syndrome

    Orbital apex syndrome involves several nerves and the optic nerve.

  • B. Zygomatic arch fracture

    Arch fractures affect mouth opening.

  • C. Orbital floor blowout fracture (correct)

    Correct. This is the classic blowout presentation.

  • D. Optic canal fracture

    Optic canal fracture damages vision.

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, Orbital floor blowout fracture. A blow to the globe raises orbital pressure and fractures the thin floor, trapping the inferior rectus and causing infraorbital nerve hypoaesthesia.

Why is "Orbital apex syndrome" not the answer?

Orbital apex syndrome involves several nerves and the optic nerve.

Why is "Zygomatic arch fracture" not the answer?

Arch fractures affect mouth opening.

Why is "Optic canal fracture" not the answer?

Optic canal fracture damages vision.

What concept does this question test?

It tests Orbit: blowout fracture in Ophthalmology. The teardrop sign is seen on CT or X-ray.

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 Orbit: blowout fracture?

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.