ArticleFrontiers in ophthalmology2025
Ultrasound biomicroscopic imaging analysis of lens position and stability in acute and chronic angle-closure glaucoma.
Article in Frontiers in ophthalmology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: This study aimed to compare the characteristics and differences in lens position and stability in patients with acute and chronic angle-closure glaucoma (ACG) using ultrasound biomicroscopy (UBM) to provide a basis for selecting treatment regimens for primary ACG (PACG). Methods: This prospective study included 82 eyes of patients with PACG, of which, 45 eyes with acute PACG (APACG), 37 with chronic PACG (CPACG). Axial length (AL) and lens thickness (LT) were measured using A-scan ultrasonography. Anterior chamber depth (ACD), pupil diameter (PD), and lens vault (LV) were measured using UBM for each group. Additionally, trabecular-iris angle (TIA), angle opening distance (AOD Results: The values for angle-related parameters, including the mean TIA, TIA Conclusion: The APACG eyes had a thicker and more-anteriorly positioned lens than those with CPACG, which results in a shallower anterior chamber and narrower anterior chamber angle. In the APACG group, the lens exhibited nonuniform laxity of the suspensory ligament across the various quadrants, poor stability, and greater susceptibility for anterior displacement or even deviation.
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