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. 2020 Mar 6;7:14. doi: 10.1186/s40662-020-00176-5

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© The Author(s) 2020

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. 4 — Orientation of crystalline lens tilt. (a, b) Schematic diagram of lens tilt in the right (a) and left eyes (b). Lenses from both eyes are facing towards the upper outer quadrants. A gray shadow was added for better visualization. (c, d) Polar scatterplots showing the magnitude (angle ρ) and orientation (angle φ) of lens tilt in the right (b) and left (c) eyes. Each ring represents 1°. (e) Stacked column graph of the lens tilt orientations in the different groups according to axial length. UOQ: upper outer quadrant; LOQ: lower outer quadrant; LIQ: lower inner quadrant; UIQ: upper inner quadrant