Abstract:
:Purpose. To evaluate intraobserver and interobserver agreement in locating the scleral spur landmark (SSL) and anterior chamber angle measurements obtained using Fourier Domain Anterior Segment Optical Coherence Tomography (ASOCT) images. Methods. Two independent, masked observers (SR and AZC) identified SSLs on ASOCT images from 31 eyes with open and nonopen angles. A third independent reader, NPB, adjudicated SSL placement if identifications differed by more than 80 μm. Nine months later, SR reidentified SSLs. Intraobserver and interobserver agreement in SSL placement, trabecular-iris space area (TISA750), and angle opening distance (AOD750) were calculated. Results. In 84% of quadrants, SR's SSL placements during 2 sessions were within 80 μm in both the X- and Y-axes, and in 77% of quadrants, SR and AZC were within 80 μm in both axes. In adjudicated images, 90% of all quadrants were within 80 μm, 88% in nonopen-angle eyes, and 92% in open-angle eyes. The intraobserver and interobserver correlation coefficients (with and without adjudication) were above 0.9 for TISA750 and AOD750 for all quadrants. Conclusions. Reproducible identification of the SSL from images obtained with FD-ASOCT is possible. The ability to identify the SSL allows reproducible measurement of the anterior chamber angle using TISA750 and AOD750.
journal_name
J Ophthalmoljournal_title
Journal of ophthalmologyauthors
Cumba RJ,Radhakrishnan S,Bell NP,Nagi KS,Chuang AZ,Lin SC,Mankiewicz KA,Feldman RMdoi
10.1155/2012/487309subject
Has Abstractpub_date
2012-01-01 00:00:00pages
487309eissn
2090-004Xissn
2090-0058journal_volume
2012pub_type
杂志文章abstract:Purpose:To report the long-term follow-up results of posterior segment intraocular foreign body (IOFB) removal in children and to determine the prognostic factors for visual outcome. Methods:Design: retrospective, noncomparative, interventional case series; a single tertiary care center study. Participants or samples:...
journal_title:Journal of ophthalmology
pub_type: 杂志文章
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journal_title:Journal of ophthalmology
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doi:10.1155/2016/3989310
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pub_type: 杂志文章,评审
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journal_title:Journal of ophthalmology
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doi:10.1155/2020/5496162
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更新日期:2018-08-30 00:00:00
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doi:10.1155/2014/269837
更新日期:2014-01-01 00:00:00
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pub_type: 杂志文章
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更新日期:2016-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2010-01-01 00:00:00
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