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. 2023 Feb 16;14(1):87–99. doi: 10.1007/s13167-023-00316-6

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Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Upper panels: average diameter of artery (A) and vein (B) in response to flickering light provocation (dilation/constriction) displayed for the three glaucomatous visual field sub-groups compared to normal controls; surprisingly, vessels in the moderate visual field regions had the smallest diameter. Lower panels: C average artery baseline diameters for different branch order levels in the glaucoma and control group (p < 0.001); D venous diameter in glaucoma as a function of branch order and visual field defect depth (p = 0.004) (mean/S.E.M.)