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. 2020 Mar 25;10(4):179. doi: 10.3390/diagnostics10040179

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Time-course changes of tear meniscus height, tear meniscus area, and strip meniscometry value before surgery, during the silicone tube intubation, after removing the silicone tube. (a) Tear meniscus height decreased significantly after removing the silicone tube, compared to before the surgery. (b) The tear meniscus area decreased significantly after removing the silicone tube, compared to before the surgery. (c) The SMTube value decreased significantly after removing the silicone tube compared to before the surgery and during the silicone tube intubation. * p < 0.05.