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. 2017 Apr 9;38(2):679–686. doi: 10.1007/s10792-017-0517-3

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© The Author(s) 2017

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.

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Fig. 1 — A tear meniscus image obtained by SS-OCT (male, 79 years of age). The horizontal arrow indicates the tear meniscus height (0.288 mm). The area within the manually plotted lines indicates the tear meniscus area (0.029 mm²)