Personal Computer-Based 3-Dimensional Ultrasound Biomicroscopy of the Anterior Segment
Raymond Iezzi, MD;
Richard B. Rosen, MD;
Celso Tello, MD;
Jeffrey Liebmann, MD;
Joseph B. Walsh, MD;
Robert Ritch, MD
Arch Ophthalmol. 1996;114(5):520-524.
Abstract
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Objective
To develop a practical, inexpensive system for 3-dimensional ultrasound biomicroscopic imaging of the anterior segment with a commercially available high-frequency ultrasound imager and a personal computer.
Methods
Sequential, high-frequency, ultrasound biomicroscopic images of the anterior segment were obtained with a motorized scanning control arm designed in our imaging laboratory. Images were acquired by a personal computer—based video capture device. Ultrasound slice data were then reconstructed as 3-dimensional volumetric images by a personal computer and commercially available software.
Results
Four 3-dimensional visualization formats were developed to enhance the clinical utility of high-frequency ultrasound. Rotational animation sequences were created that detailed the extent and anatomy of a filtering bleb, intraocular lens subluxation, focal angle closure from an iridociliary cyst, intraocular foreign bodies, and an iris tumor.
Conclusions
Three-dimensional, high-frequency ultrasound of the anterior segment enhances our ability to visualize spatial relationships between adjacent anatomic structures. The low cost and ease of use of this system make widespread clinical application practical.
Author Affiliations
From the Departments of Ophthalmology, New York (NY) Eye and Ear Infirmary and New York Medical College, Valhalla. The authors have no proprietary interest in any device or software used in this article.
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