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KMID : 0311120090500040525
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Yonsei Medical Journal
2009 Volume.50 No. 4 p.525 ~ p.528
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Detection of Occludable Angles with the Pentacam and the Anterior Segment Optical Coherence Tomography
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Hong Sa-Min
Seong Gong-Je
Kim Chan-Yun
Kang Sung-Yong
Yi Jeong-Ho
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Abstract
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Purpose: To assess efficacy of the Pentacam (PTC) and the anterior segment optical coherence tomography (AOCT) for detection of occludable angles.
Materials and Methods: Fourty-one eyes with gonioscopically diagnosed occludable angles and 32 normal open-angle eyes were included. Anterior chamber angle (ACA) and anterior chamber depth (ACD) were measured with PTC and AOCT. Receiver operating characteristic (ROC) curve was constructed for each parameter and the area under the ROC curve (AUC) was calculated.
Results: Values of ACA and ACD measured by PTC and AOCT were similar not only in normal open angle eyes but also in occludable angle eyes. For detection of occludable angle, the AUCs of PTC with ACA and ACD were 0.935 and 0.969, respectively. The AUCs of AOCT with ACA and ACD were 0.904 and 0.947, respectively.
Conclusion: Both PTC and AOCT allow accurate discrimination between open and occludable angle eyes, so that they may aid to screening the occludable angles.
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KEYWORD
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Pentacam, anterior segment optical coherence tomography, occludable angle, anterior chamber angle, anterior chamber depth
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