Peripapillary and fovea avascular zone optical coherence tomography angiography parameters in exfoliation glaucoma versus primary open-angle glaucoma versus healthy eyes

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dc.contributor.authorZloto, Ofiraen_US
dc.contributor.authorVeksler, Ronelen_US
dc.contributor.authorMoroz, Irisen_US
dc.contributor.authorGoldberg, Hilaen_US
dc.contributor.authorLevkovitch-Verbin, Hanien_US
dc.date.accessioned2023-08-25T06:34:49Z
dc.date.available2023-08-25T06:34:49Z
dc.date.issued2022-10
dc.description.abstractPurpose : To examine the differences in the peripapillary vascular parameters and foveal?avascular?zone (FAZ) vascularity parameters between primary open?angle?glaucoma (POAG) patients versus exfoliation?glaucoma (XFG) patients versus healthy subjects. Methods: This is cross?sectional study and a comparative clinical study. POAG and XFG patients and healthy subjects underwent a comprehensive ophthalmic examination, including visual field optical coherence tomography (OCT) and OCT angiography (OCTA) of the optic disc and FAZ. Differences in peripapillary vessel density (VD), perfusion density (PD), and FAZ area and circularity were examined between all groups, as well as correlations between clinical parameters and vascularity parameters for each glaucoma group. Results: A total of 109 subjects (one eye for each patient) were analyzed, including 45 with POAG, 30 with XFG, and 34 controls. The average peripapillary VDs were the lowest among the XFG patients and the highest among the controls (P < 0.05, ANOVA). The average peripapillary PD of the central ring was the lowest in the XFG group and the highest in the control group (P = 0.02, ANOVA). A significant negative correlation was found between the average peripapillary VDs and PDs of the inner ring and full ring and disease severity of the POAG patients. There was a significant positive correlation between the average peripapillary PDs of the central rings and full ring and the central macular thickness of the XFG patients (P < 0.01 and P < 0.04, respectively, Pearson correlation). Conclusion: The peripapillary vascular parameters of the POAG and XFG patients were lower compared to those of normal participants. A correlation between clinical characteristics of POAG and XFG patients and PD was found. This may hint to a vascular mechanism in glaucoma either primary or secondary to intra?ocular pressure/OAG damage.en_US
dc.identifier.affiliationsGoldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel, Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israelen_US
dc.identifier.citationZloto Ofira, Veksler Ronel, Moroz Iris, Goldberg Hila, Levkovitch-Verbin Hani. Peripapillary and fovea avascular zone optical coherence tomography angiography parameters in exfoliation glaucoma versus primary open-angle glaucoma versus healthy eyes. Indian Journal of Ophthalmology. 2022 Oct; 70(10): 3562-3568en_US
dc.identifier.issn1998-3689
dc.identifier.issn0301-4738
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/224614
dc.languageenen_US
dc.publisherAll India Ophthalmological Societyen_US
dc.relation.issuenumber10en_US
dc.relation.volume70en_US
dc.source.urihttps://doi.org/10.4103/ijo.IJO_84_22en_US
dc.subjectOCTAen_US
dc.subjectPOAGen_US
dc.subjectPXFen_US
dc.titlePeripapillary and fovea avascular zone optical coherence tomography angiography parameters in exfoliation glaucoma versus primary open-angle glaucoma versus healthy eyesen_US
dc.typeJournal Articleen_US
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