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Ophthalmic Assistant

Category - Ophthalmic Imaging

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An A-scan is a(n)

ultrasound.
CT scan.
x-ray.
topography.

Explanation

Answer: A - ultrasound.

An A-scan is an ultrasound and is used to make a one-dimensional image of the structures of the eye. Ophthalmologists use information gathered from A-scans before cataract surgery.

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