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. 2019 Sep-Oct;2(5):327–335. doi: 10.1016/j.ogla.2019.04.001

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© 2019 by the American Academy of OphthalmologyThis is an open access article under the CC BY license (<inter-ref xlink: href=http://creativecommons.org/licenses/by/4.0/>http://creativecommons.org/licenses/by/4.0/</inter-ref>).

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Aqueous column as a tool for quantifying aqueous outflow. A, Fold change in aqueous column cross-sectional area (CSA) after intervention (n = 13; P < 0.05; Student ratio paired t test). B, Correlation between IOP reduction and aqueous column CSA after intervention (n = 13; Pearson’s correlation coefficient 0.7; P = 0.007). C, Correlation between change in mean deviation (MD) and aqueous column CSA after intervention (n = 8; Pearson’s correlation coefficient 0.75; P = 0.03). AQC = aqueous column; IOP = intraocular pressure; SLT = selective laser trabeculoplasty; VF = visual field.