Prevalence of appositional angle closure determined by ultrasonic biomicroscopy in eyes with shallow anterior chambers
Prevalence of appositional angle closure determined by ultrasonic biomicroscopy in eyes with shallow anterior chambers
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DOI:
10.1016/j.ophtha.2004.10.026
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发表时间:
2005-03-01
期刊:
影响因子:
13.7
通讯作者:
Araie, M
中科院分区:
文献类型:
--
作者:
Kunimatsu, S;Tomidokoro, A;Araie, M
Purpose: To determine the prevalence of appositional angle closure in eyes with a shallow peripheral anterior chamber but no peripheral anterior synechia (PAS) in Japanese patients.Design: Cross-sectional study.Participants: Eighty eyes of 80 consecutive patients with a shallow peripheral anterior chamber, determined using the method of van Herick, and no PAS.Methods: The anterior chamber angle was classified according to Shaffer's grading with noncompression gonioscopy superiorly, inferiorly, temporally, and nasally. The absence of PAS was confirmed by compression gonioscopy if necessary. The presence of appositional angle closure and the trabecular-iris angle (T-I angle) was determined with ultrasound biomicroscopy in each quadrant under light and dark conditions. Factors related to appositional angle closure were studied using logistic analysis, and the covariates included gender, age, refraction, gonioscopic grading, and the quadrant of the angle measured.Main Outcome Measures: Gonioscopic grading of the angle width, the T-I angle, and the prevalence of appositional closure.Results: The gonioscopic grading (P