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Impressum
Inter-Eye Differences in Chronic Open-Angle Glaucoma Patients with Unilateral Disc Hemorrhages
1Heyer C., 2Budde W. M., 2Hayler J., 3Martus P., 1Jonas J. B.
1Department of Ophthalmology and Eye Hospital, Faculty of Clinical Medicine Mannheim, University of Heidelberg, 68167 Mannheim, Germany; 2Department of Ophthalmology and Eye Hospital, University Erlangen- Nürnberg, Erlangen, Germany; 3Institute for Medical Informatics, Biometry, and Epidemiology, FU Berlin, Klinikum Benjamin Franklin, Berlin, Germany
Purpose: Flame-shaped optic disc hemorrhages are a hallmark of
glaucomatous optic neuropathy. The purpose of the present study was to
evaluate in which parameters both eyes of glaucoma patients with unilateral
optic disc hemorrhages differ.
Patients and Methods: The comparative clinical observational study
included 30 Caucasian patients (20 women, 10 men) with chronic openangle
glaucoma and an unilateral optic disc hemorrhage. Mean age was 55.9 ±
11.7 years, mean refractive error was-0.66 ± 2.70 diopters. For
all patients, qualitative and morphometric evaluation of color stereo
optic disc photographs was performed.
Results: The affected eyes and the contralateral eyes without a
disc bleeding did not vary significantly (P>0.10) in size and shape
of the optic disc (2,80 ± 0.63 mm2 versus 2.81 ± 0.57 mm2)
and neuroretinal rim (0.96 ± 0.28 mm² versus 0,97 ± 0,32
mm²) optic cup depth, retinal vessel diameter, and size of alpha zone
(0,93 ± 0,74 mm² versus 1,19 ± 0,97 mm²) and beta zone (0,64
± 0,82 mm² versus 0,58 ± 1,07 mm²) of the parapapillary
atrophy.
Conclusions: In cross sectional analysis of Caucasian patients
with bilateral chronic open-angle glaucoma, optic disc hemorrhages are
not markedly associated with side differences in size and shape of the
optic disc, neuroretinal rim, and alpha and beta zones of parapapillary
atrophy, retinal vessel diameter, and optic cup depth.