July 1989
Volume 30, Issue 7
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Articles  |   July 1989
Parapapillary retinal vessel diameter in normal and glaucoma eyes. II. Correlations.
Author Affiliations
  • J B Jonas
    Department of Ophthalmology, University Erlangen-Nürnberg, West Germany.
  • G O Naumann
    Department of Ophthalmology, University Erlangen-Nürnberg, West Germany.
Investigative Ophthalmology & Visual Science July 1989, Vol.30, 1604-1611. doi:
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      J B Jonas, G O Naumann; Parapapillary retinal vessel diameter in normal and glaucoma eyes. II. Correlations.. Invest. Ophthalmol. Vis. Sci. 1989;30(7):1604-1611.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

The juxtapapillary diameters of the superior temporal and inferior temporal retinal artery and vein have been shown to be significantly smaller in glaucomatous eyes than in normal eyes. They had been measured in 473 eyes of 281 patients with chronic primary open-angle glaucoma and in 275 eyes of 173 normal subjects. In the current study the vessel diameters were correlated with intra- and parapapillary morphometric data and visual field indices. Only one eye per patient and subject was taken for statistical analysis. The retinal vessel calibers were significantly (P less than 0.001) correlated with: (1) the area of the neuroretinal rim as a whole and in four different optic disc sectors; (2) the rim width determined every 30 degrees; (3) the optic cup area and diameters; (4) the horizontal and vertical cup/disc ratios and (5) the quotient of them; (6) the retinal nerve fiber layer score; (7) the area of the parapapillary chorioretinal atrophy; and (8) the visual field indices. In the same eye the vessel caliber was smaller in that sector where the neuroretinal rim loss was highest and the retinal fiber layer score lowest. In intraindividual comparison the vessels were smaller in that eye with less neuroretinal rim tissue and lower nerve fiber layer score. No significant correlations were found with the form of the optic disc, the area of the peripapillary scleral ring, side, sex and refraction. The correlation coefficients were not significantly different when the control group was matched for age. The parapapillary retinal vessel diameter decreases with advancing glaucomatous optic nerve damage. It is correlated with morphometric intra- and parapapillary glaucomatous changes and perimetric defects.

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