biostudies-literatureApolo GAmerican Glaucoma SocietyNational Eye InstituteNEI NIH HHSResearch to Prevent BlindnessNational Institutes of Health388-395https://www.ebi.ac.uk/biostudies/studies/S-EPMC9309181biostudies-literatureUnknown5(4)<h4>Purpose</h4>To assess the proportion of newly diagnosed cases of primary angle-closure glaucoma (PACG) with and without prior diagnosis of anatomical narrow angle (ANA) and to identify sociodemographic risk factors for late detection (PACG without prior ANA diagnosis).<h4>Design</h4>Retrospective cohort study.<h4>Methods</h4>One hundred two thousand six hundred seventeen patients with PACG were identified from the Optum Clinformatics Data Mart Database (2007-2019). Patients with newly diagnosed PACG met the following criteria: (1) diagnosis made by an ophthalmologist, (2) disease observable for at least 12 months before diagnosis, and (3) no history of treatment before diagnosis unless preceded by a diagnosis of ANA. Multivariate logistic regression modeling was performed to identify sOphthalmology. GlaucomaRacial and Sociodemographic Disparities in the Detection of Narrow Angles before Detection of Primary Angle-Closure Glaucoma in the United States.PMC9309181K23 EY029763Toy BPardeshi AWong BSong BXu BBohner AApolo GLung KCamp AfalseRacial and Sociodemographic Disparities in the Detection of Narrow Angles before Detection of Primary Angle-Closure Glaucoma in the United States.<h4>Purpose</h4>To assess the proportion of newly diagnosed cases of primary angle-closure glaucoma (PACG) with and without prior diagnosis of anatomical narrow angle (ANA) and to identify sociodemographic risk factors for late detection (PACG without prior ANA diagnosis).<h4>Design</h4>Retrospective cohort study.<h4>Methods</h4>One hundred two thousand six hundred seventeen patients with PACG were identified from the Optum Clinformatics Data Mart Database (2007-2019). Patients with newly diagnosed PACG met the following criteria: (1) diagnosis made by an ophthalmologist, (2) disease observable for at least 12 months before diagnosis, and (3) no history of treatment before diagnosis unless preceded by a diagnosis of ANA. Multivariate logistic regression modeling was performed to identify s2022-01-01T00:00:00Z2022 Jul-Aug2025-04-26T07:40:24.365Z2025-04-06T12:22:30.838ZS-EPMC93091813508582810.1016/j.ogla.2022.01.001