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Aim:The aim of this study was to evaluate the clinical, socio-economic, and demographic factors associated with the severity at presentation among juvenile primary open angle glaucoma (JOAG) patients. Materials and Methods: Age at diagnosis, family history, baseline intraocular pressure (IOP), access to health-care, socio-economic status, and glaucoma awareness among 80 unrelated JOAG patients presenting between 10 years and 40 years of age were analyzed for their association with the severity at presentation. Severity at presentation was graded based on worse eye visual field using the advanced glaucoma intervention study score and on binocular visual field defects at presentation. Results: Patients with a positive family history presented 4 years earlier (P = 0.045, confidence interval [CI]: 0.09-8.8) compared to those without a family history. Lower socio-economic status (Odds ratio [OR] 5.7, P = 0.01, CI: 1.5-22), and higher baseline IOP (OR 7, P = 0.003, CI: 1.9-26) were associated with severe glaucomatous visual field defect at presentation. A negative family history was associated with a 10 times likelihood of presenting with a severe glaucomatous field defect (OR 0.1, P = 0.007, CI: 0-0.5). Conclusions: Clinical, socio-economic, and demographic factors are contributory to the severity at presentation among young patients with early onset glaucoma. Presence of a family history is associated with an earlier presentation among these patients and a reduced risk of the severe presentation. [ABSTRACT FROM AUTHOR]