What is the role of ultrasonography in the workup of central retinal artery occlusion (CRAO)?

Updated: Jun 11, 2019
  • Author: Robert H Graham, MD; Chief Editor: Andrew G Lee, MD  more...
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Carotid ultrasonography may be used to evaluate for atherosclerotic plaque; this appears to be more sensitive than carotid ultrasonography with Doppler, which determines only the flow.

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