By Soungmin Cho, BS; Rachel Catren, COA; Adel Alset, MD; Ana Munoz, CMA; David Sierpina, MD
    Editors' Choice
    Diagnostic & Imaging , Retina/Vitreous, Tumors

    In this video, Drs. Soungmin Cho, David Sierpina and colleagues demonstrate a technique to distinguish a posterior dislocated lens from a retinal mass using a B-scan. With the scan probe securely placed, the surgeons show how to move the patient’s head between flexed and extended positions on a representative patient. The B-scan probe is pointed towards the 6 o’clock position on the globe and the patient is advised to look at the 6 o’clock position to maintain the same view during the maneuver. In this demonstration, a posteriorly dislocated lens can be seen sliding down without any attachments to the retina. In addition to A-scan and B-scan patterns, this new technique can be used as another diagnostic tool to assess a posterior segment mass.

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