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Abstract #56192 Published in IGR 16-1
Characteristics of undiagnosed primary open-angle glaucoma: the Tajimi Study
Iwase A; Suzuki Y; Araie M;Ophthalmic Epidemiology 2014; 21: 39-44
PURPOSE: To evaluate the characteristics of patients with previously undiagnosed primary open-angle glaucoma (POAG) in the Tajimi Study. METHODS: BACKGROUND: and ophthalmic examination data from 111 patients previously undiagnosed with POAG from the Tajimi Study, a population-based survey of glaucoma, were analyzed and compared with those of eight patients with previously diagnosed glaucoma. RESULTS: The mean deviation (MD) and vertical cup-to-disc ratio (vC/D) of the worse eye of each patient averaged -5.5 decibels (dB) and 0.72 and -10.4 dB and 0.83, respectively, in undiagnosed and diagnosed POAG. In undiagnosed POAG, arcuate and partial arcuate patterns accounted for 50% of the pattern of the visual field (VF) damage, and 95% of patients presented with intraocular pressure of 21 mmHg or less (normal tension glaucoma). The undiagnosed group had better MD and smaller vC/D values in the worse eye and less involvement of bilateral VFs than the diagnosed group (p = 0.004-0.050 with Bonferroni correction), while other factors, including mean sensitivity of the binocular VF, showed no intergroup difference. CONCLUSION: The characteristics of Japanese patients with previously undiagnosed POAG indicated that bilateral evaluation of the optic disc and VF are important for identifying individuals with glaucoma.
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Classification:
9.2.3 Open angle glaucoma with elevated IOP (Part of: 9 Clinical forms of glaucomas > 9.2 Primary open angle glaucomas)
6.6.2 Automated (Part of: 6 Clinical examination methods > 6.6 Visual field examination and other visual function tests)
2.14 Optic disc (Part of: 2 Anatomical structures in glaucoma)
