October 1991
Volume 32, Issue 11
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Articles  |   October 1991
Parapapillary atrophy and retinal vessel diameter in nonglaucomatous optic nerve damage.
Author Affiliations
  • J B Jonas
    Department of Ophthalmology, University Erlangen-Nürnberg, Germany.
  • M C Fernández
    Department of Ophthalmology, University Erlangen-Nürnberg, Germany.
  • G O Naumann
    Department of Ophthalmology, University Erlangen-Nürnberg, Germany.
Investigative Ophthalmology & Visual Science October 1991, Vol.32, 2942-2947. doi:
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      J B Jonas, M C Fernández, G O Naumann; Parapapillary atrophy and retinal vessel diameter in nonglaucomatous optic nerve damage.. Invest. Ophthalmol. Vis. Sci. 1991;32(11):2942-2947.

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Abstract

Parapapillary chorioretinal atrophy and decreased retinal vessel diameter occur in glaucomatous eyes. To evaluate the frequency and degree of these signs in nonglaucomatous optic neuropathy, the authors evaluated morphometrically and compared 47 patients with nonglaucomatous optic nerve atrophy from extraocular causes with 292 patients with primary open-angle glaucoma and 179 normal subjects. Eyes with anterior ischemic optic neuropathy were excluded. The parapapillary atrophy was differentiated into a central zone (beta) with sclera and large choroidal vessels visible by ophthalmoscopy and a peripheral zone (alpha) with irregular pigmentation. Both zones did not differ significantly in the eyes with nonglaucomatous optic neuropathy and the normal eyes. In the glaucomatous eyes, they were significantly larger and occurred more frequently. The retinal vessel diameter was significantly smaller in both groups with optic nerve atrophy than in the normal group. It was concluded that decreased retinal vessel diameters unspecifically suggest optic nerve atrophy. Evaluation of parapapillary chorioretinal atrophy can be helpful in differentiating nonglaucomatous from glaucomatous optic neuropathy.

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