B-scan ultrasonography


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Words related to B-scan ultrasonography

the use of ultrasonography to view structure in the back of the eye

References in periodicals archive ?
B-scan ultrasonography of the left eye of a 63-yearold woman with Gordonia bronchialis-associated endophthalmitis, Oregon, USA, showing dense opacities in the vitreous space.
Evaluation of a vitreous detachment: a comparison of biomicroscopy, B-scan ultrasonography and optical coherence tomography to surgical findings with chromodissection.
From July 2016 to June 2017, patients with a diagnosis of PPC made based on slit lamp microscopy who underwent 25 MHz B-scan ultrasonography (MHzB) before phacoemulsification were retrospectively reviewed to obtain data including the patients' demographics, preoperative and postoperative visual acuity, PC images at 25 MHzB, and the integrity of the PC during surgery.
H/O blunt trauma in the past is also very common in these patients in such patients we cannot assess the posterior segment by any other means except with B-SCAN Ultrasonography. B-SCAN ultrasonography is simple, cheaper and easier Technique by which we can exclude most of the posterior segment diseases.
On B-scan ultrasonography the detached retina appears as a highly reflective echo in the vitreous cavity that has remaining attachment to the optic nerve head and ora serrata.4,5,8
In those patients with poor or no view of fundus, B-scan ultrasonography was done with AB 5500+ A/B Scan (Sonomed, USA).
In B-scan ultrasonography a two dimensional cross section of the eye and orbit is obtained (Figure 1).
B-scan ultrasonography revealed a hyperechoic choroidal lesion with acoustic shadowing.
Usually, its characteristic funduscopic, computed tomography (CT), and B-scan ultrasonography findings are sufficient for a clinical diagnosis [6].
B-Scan Ultrasonography is an important tool for evaluating the posterior segment in eyes with opaque media and provides a method of assessing the structural changes in the posterior segment of the eye in such patients.
Preoperative assessment included best- corrected visual acuity (BCVA), funduscopy with 90D lens and B-Scan ultrasonography in 9 patients was used as fundus was not visualized clinically.
With imaging tests such as B-scan ultrasonography, fundus fluorescein angiography, computed tomography, fundus autofluorescence as well as the recently developed technology of optical coherence tomography, it is possible to examine in detail the structure and location of ODD and quantitatively follow changes over time (see pages 232236).
To use B-scan ultrasonography as means and measure to find out any posterior segment lesion in cataract patients and help in surgical planning.
B-scan ultrasonography showed clear vitreous and no choroidal thickening (Figure 4).
(2) For more than three decades, B-scan ultrasonography has played a key role as a valuable diagnostic imaging device in the field of Ophthalmology.