ArticleGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2022
Correlation between the optic nerve pial diameter and radial peripapillary vascular changes in primary open-angle glaucoma.
Article in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- Exploration of the cutoff values of axial length that is susceptible to develop advanced primary open angle glaucoma in patients aged less than 50 years.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2025Article
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo assess the optic nerve pial diameter (ONPD) in patients with primary open-angle glaucoma (POAG) using standardized A-scan ultrasound and to evaluate the correlation between the ONPD and structural, vascular optic nerve head features and visual field parameters in glaucomatous eyes.
methodsIn this prospective study, we enrolled 126 eyes of 63 POAG patients and 124 eyes of 62 healthy controls. In all subjects, the ONPD was evaluated by means of A-scan ultrasound. Spectral domain (SD)-OCT was used to assess ganglion cell complex (GCC), retinal nerve fiber layer (RNFL), thicknesses, and the optic nerve head (ONH) morphology. OCTA measured the vessel density (VD) of radial peripapillary capillary (RPC) plexus.
resultsThe ONPD showed a statistically significant reduction in POAG group with respect to controls (p < 0.001). SD-OCT and OCTA parameters showed a significant impairment in patient group with respect to controls (p < 0.001). The ONH analysis revealed significantly lower values in rim area (p = 0.009) and an increased cup-to-disc area ratio (p = 0.013) and cup volume (p < 0.001) in patients with respect to controls. Significant correlations were shown in POAG group between ONPD and RPC plexus (p = 0.006). Moreover, significant correlation was also found between ONPD and structural SD-OCT parameters (p = 0.001) and between ONPD and visual field parameters (p = 0.001).
conclusionsThe standardized A-scan ultrasound measurements of the ONPD showed a significant correlation with structural and vascular glaucomatous changes measured by means of SD-OCT and OCTA. These results confirm the diagnostic reliability of the ultrasound evaluation in glaucoma optic neuropathy.
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