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. 2023 Nov 10;12(22):7026. doi: 10.3390/jcm12227026

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© 2023 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 (https://creativecommons.org/licenses/by/4.0/).

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Forest plot analysis comparing omega-3 effects on tear break-up time to placebo: Omega-3 showed efficacy in prolonging tear break-up time [2,5,6,9,21,22,23,24,25,26,27,28,30,31,32,33,34,35].