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Inter-eye differences in chronic open-angle glaucoma patients with unilateral disc hemorrhages



Inter-eye differences in chronic open-angle glaucoma patients with unilateral disc hemorrhages



Ophthalmology 109(11): 2078-2083



Objective: Flame-shaped optic disc hemorrhages are a hallmark of glaucomatous optic neuropathy. The purpose of this study was to evaluate which parameters differ between companion eyes with and without an optic disc hemorrhage in patients with chronic open-angle glaucoma. Design: Comparative (companion eye) observational case series. Patients: The study included 99 white patients with bilateral chronic open-angle glaucoma and unilateral flame-shaped optic disc hemorrhages. Methods: All patients underwent qualitative and morphometric evaluation of color stereo optic disc photographs. Main Outcome Measures: Size and shape of the optic disc, neuroretinal rim and parapapillary atrophy, diameter of the retinal vessels, intraocular pressure measurements, and both mean value and loss variance value of the visual field examination. Results: In an intraindividual inter-eye comparison, the eyes with disc hemorrhages and the contralateral eyes without disc bleeding did not vary significantly (P>0.20) in size and shape of the optic disc and neuroretinal rim, optic cup depth, size of alpha and beta zone of parapapillary atrophy, retinal vessel diameter, intraocular pressure measurements, refractive error, and perimetric indices. Conclusions: In bilateral chronic open-angle glaucoma, the development of unilateral optic disc hemorrhages does not depend on inter-eye differences in size and shape of the optic disc, neuroretinal rim and parapapillary atrophy, diameter of the retinal vessels, intraocular pressure measurements, or visual field loss.

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Accession: 010860340

Download citation: RISBibTeXText

PMID: 12414418

DOI: 10.1016/s0161-6420(02)01237-x


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