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. 2019 Apr 6;6:11. doi: 10.1186/s40662-019-0136-3

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Correlations of conjunctival microcirculation with retinal microcirculation. Conjunctival blood flow velocity (BFV) had no significant correlations with the BFVs of the retinal arterioles (r = − 0.17, P = 0.21) and venules (r = − 0.15, P = 0.27, a). Likewise, conjunctival blood flow rate (BFR) had no significant correlations with the BFRs of the retinal arterioles (r = − 0.05, P = 0.72) and venules (r = − 0.16, P = 0.23, b)