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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/).
Wash-off mucoadhesion test: slow and gradual decrease in the amount of DEX remaining on the cornea over 120 min shown by the DEX-loaded NPs sample in comparison with the standard control. All values are expressed as the mean of three measurements.