{"title":"Modified Portable A-Scan Ultrasound Instrument from a USB B-Scan Device.","authors":"Robert W Arnold","doi":"","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>Affordable, portable A-scan ultrasound technology is important to the pediatric or mission cataract surgeon. Some units (i.e.; Biopen) are no longer marketed and report poorly on atypically shaped eyes.</p><p><strong>Methods: </strong>A clear plastic tube-housing was shaped to accept a USB-portable B-scan for supine immersion ultrasonography.</p><p><strong>Results: </strong>With IRB approval and consent, 34 eye surgery subjects, aged 0.3 to 70 years, had both conventional contact A-scan compared with modified B-scan immersion measurements. The correlation between them was: A-Scan = 0.995 (B-Scan) +0.197. r2 = 0.995.</p><p><strong>Discussion: </strong>The immersion B-Scan closely matched conventional A-Scan over a range of axial lengths from 18 to 26 mm.</p><p><strong>Conclusions: </strong>Affordable combined B-Scan and A-Scan technology can be useful for the pediatric and mission cataract surgeon.</p>","PeriodicalId":72356,"journal":{"name":"Binocular vision & strabology quarterly, Simms-Romano's","volume":"28 2","pages":"115-7"},"PeriodicalIF":0.0000,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Binocular vision & strabology quarterly, Simms-Romano's","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Introduction: Affordable, portable A-scan ultrasound technology is important to the pediatric or mission cataract surgeon. Some units (i.e.; Biopen) are no longer marketed and report poorly on atypically shaped eyes.
Methods: A clear plastic tube-housing was shaped to accept a USB-portable B-scan for supine immersion ultrasonography.
Results: With IRB approval and consent, 34 eye surgery subjects, aged 0.3 to 70 years, had both conventional contact A-scan compared with modified B-scan immersion measurements. The correlation between them was: A-Scan = 0.995 (B-Scan) +0.197. r2 = 0.995.
Discussion: The immersion B-Scan closely matched conventional A-Scan over a range of axial lengths from 18 to 26 mm.
Conclusions: Affordable combined B-Scan and A-Scan technology can be useful for the pediatric and mission cataract surgeon.
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