http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ultrasound Biomicroscopy (UBM) is a high frequency ultrasound with greater resolution which makes delineation of anterior segment structures possible. Its ability to show the structures behind an opaque cornea make it an invaluable tool for the anterior segment surgeon. Childhood glaucoma is an umbrella term for myriad conditions which have very different pathogenesis, phenotypes, presentations and consequently outcomes. Infants often present with corneal haze due to raised intraocular pressures, and a detailed examination for disease recognition is often not possible. The surgical plan usually rests upon knowing what the anterior segment structure is, and in cases with significant corneal haze, this diagnosis and optimum planning remains uncertain. In this scenario, Ultrasound Biomicroscopy (UBM) provides key insights to the anterior segment status, and is an invaluable tool for infants with glaucoma. This video presents the principles of UBM, the technique and essentials of image acquisition in adults as well as babies in an easy to follow step-by-step guide. It provides information regarding orientation of the probe viz-a-viz the image acquired and show nuances of the technique for optimum image analysis. It demonstrates its utility in various forms of childhood glaucoma and discusses how it changes our management and surgical plan. The video familiarizes the viewers with UBM techniques as well as its clinical utility and use in everyday surgical management especially with regards to children with glaucoma.
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