Abstract
Purpose: To discuss the practical utility of ocular ultrasound in central retinal artery occlusion (CRAO). Methods: Ocular ultrasound was obtained in 4 patients with CRAO using a 20 MHz Annular Array Probe of the ABSolu (Quantel Medical, Texas, USA) ultrasound machine. Results: The causative embolus occluding the central retinal artery was detected on ocular ultrasound imaging in four patients with CRAO. Conclusion: Ocular ultrasound, including newer generation, higher frequency ultrasound probes, aids in the detection of the “retrobulbar spot sign”, a finding that seems to be related to embolic central retinal artery occlusion. This sign will orient investigations towards finding an embolic source.
Published Version
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