ArticlePloS one2025
Comparison of angle-closure detection between automated gonioscopy and anterior-segment optical coherence tomography.
Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Development and Clinical Evaluation of an Anterior Chamber Angle-Based Lens Sizing Method for Implantable Collamer Lens Surgery.Clinical ophthalmology (Auckland, N.Z.) · 2026Article
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
purposeTo investigate the concordance between angle-closure assessments based on GS-1 gonioscope images and those obtained with anterior-segment optical coherence tomography. STUDY
designRetrospective clinical study.
methodsWe included 33 patients (53 eyes) who visited Chukyo Eye Clinic during 2020-2024, were suspected of having angle closure, and underwent anterior-segment optical coherence tomography (CASIA2 Advance STAR Analyzer) and GS-1 examinations. The 16-directional images captured with the GS-1 were divided into two halves, creating 32 directions, which were rearranged to correspond with those obtained via anterior-segment optical coherence tomography. Agreement between evaluations was analyzed using Cohen's κ, and the area under the receiver operating characteristic curve was evaluated. Anterior-segment optical coherence tomography images were manually corrected, and eyes with areas classified as "narrow" or "closed" were categorized as angle closure. With the GS-1, two glaucoma specialists independently reviewed the images. Areas in which the posterior trabecular meshwork was obscured in more than half of the image (Scheie classification grades III-IV) were judged indicative of angle closure.
resultsWe included 1,660 directions from 53 eyes in the agreement analysis. The proportion of directions judged as angle closure was 57.0% with anterior-segment optical coherence tomography and 46.1% with the GS-1. Cohen's κ for inter-test agreement was 0.173 (95% confidence interval: 0.128-0.218), and the area under the receiver operating characteristic curve was 0.588 (95% confidence interval: 0.561-0.615).
conclusionAnalyses using anterior-segment optical coherence tomography yielded more frequent classifications of angle closure than evaluations based on GS-1 gonioscopic images.
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