Optic Disk Size in Chronic Glaucoma: The Beijing Eye Study - 18/08/11
, Liang Xu, MD b, Li Zhang, MD b, Yaxing Wang, MD b, Yun Wang, MD b
Inquiries to Jost B. Jonas, MD, Universitäts-Augenklinik, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, GermanyRésumé |
Purpose |
To evaluate whether eyes with chronic glaucoma have a larger or smaller optic disk than normal eyes.
Design |
Population-based, cross-sectional cohort study.
Methods |
The study included 4439 subjects out of 5324 subjects invited to participate with an age of 40+ years. Color optic disk photographs (45°) were morphometrically examined.
Results |
After exclusion of aphakic eyes, pseudophakic eyes, and highly myopic eyes, data of 3989 subjects entered the statistical analysis. The mean optic disk area did not vary significantly (P > .05) between the nonglaucomatous group (2.61 ± 0.50 mm2), eyes with glaucomatous appearance of the optic disk (2.69 ± 0.63 mm2), eyes with glaucomatous optic disks and visual field defects (2.66 ± 0.70 mm2), and eyes with elevated intraocular pressure (2.63 ± 0.49 mm2).
Conclusions |
In adult Chinese, optic disk size may not markedly differ between normal eyes and eyes with chronic glaucoma.
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Vol 142 - N° 1
P. 168-170 - juillet 2006 Retour au numéro
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