Abstract
UBM is a high-resolution ultrasound technique which allows non-invasive, in vivo imaging of the anterior segment and iridocorneal angle. This video is compilation of short video clips and images which gives description on identification of angle closure due to pupillary block, peripheral anterior synechiae, iris bombe, plateau iris, supra ciliary effusion, and malignant glaucoma. It also shows video demonstrating partially and fully patent iridotomy and features of trabeculectomy bleb. Synopsis: This video summarizes importance of UBM application in angle closure glaucoma to understand its pathophysiology by showing the relationship between the peripheral iris, trabecular meshwork and ciliary processes. UBM provides two-dimensional, grayscale images of the angle structures and allows identification of non-pupillary block mechanism in angle closure glaucoma, which can be recorded for qualitative and quantitative analyses. https://youtu.be/prsmGnR8jYc.
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