May 1989
Volume 30, Issue 5
Free
Articles  |   May 1989
Parapapillary chorioretinal atrophy in normal and glaucoma eyes. II. Correlations.
Author Affiliations
  • J B Jonas
    Department of Ophthalmology, University Erlangen-Nürnberg, Federal Republic of Germany.
  • G O Naumann
    Department of Ophthalmology, University Erlangen-Nürnberg, Federal Republic of Germany.
Investigative Ophthalmology & Visual Science May 1989, Vol.30, 919-926. doi:
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      J B Jonas, G O Naumann; Parapapillary chorioretinal atrophy in normal and glaucoma eyes. II. Correlations.. Invest. Ophthalmol. Vis. Sci. 1989;30(5):919-926.

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

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Abstract

The parapapillary chorio-pigment-epithelio-retinal atrophy in glaucomatous eyes is significantly larger than in normal eyes. In a previous study its area and frequency have been measured in 582 eyes of 321 patients with chronic primary open-angle glaucoma and in 390 eyes of 231 normal subjects. In the current study the parapapillary changes were correlated with intrapapillary morphometric data and with perimetric indices. The parapapillary chorioretinal atrophy was significantly correlated with the neuroretinal rim area, the horizontal and vertical cup/disc ratios, the quotient of horizontal to vertical cup/disc ratio, the retinal nerve fiber layer score, and the mean visual field loss. It was larger in the same sector where the neuroretinal rim loss was more marked. The correlation coefficients were generally higher for zone "Beta," characterized by complete chorioretinal atrophy with visible large choroidal vessels and sclera, than for zone "Alpha," which showed irregular hypo- and hyperpigmentation. The parapapillary chorioretinal atrophy was correlated in location and time with the intrapapillary glaucomatous changes. It deserves attention in glaucoma diagnosis and follow-up. Its evaluation is especially valuable in eyes with small optic nerveheads (disc size less than 1.6 mm2) in which the intrapapillary glaucomatous changes occur later than the parapapillary ones.

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