. 2021 Jul 27;13(8):1157. doi: 10.3390/pharmaceutics13081157
© 2021 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/).
Figure 2.
Different ocular drug delivery routes.