Polymer- and Lipid-Based Nanocarriers for Ocular Drug Delivery: Current Status and Future Perspectives

Ocular diseases seriously affect patients’ vision and life quality, with a global morbidity of over 43 million blindness. However, efficient drug delivery to treat ocular diseases, particularly intraocular disorders, remains a huge challenge due to multiple ocular barriers that significantly affect the ultimate therapeutic efficacy of drugs. Recent advances in nanocarrier technology offer a promising opportunity to overcome these barriers by providing enhanced penetration, increased retention, improved solubility, reduced toxicity, prolonged release, and targeted delivery of the loaded drug to the eyes.

This review primarily provides an overview of the progress and contemporary applications of nanocarriers, mainly polymer- and lipid-based nanocarriers, in treating various eye diseases, highlighting their value in achieving efficient ocular drug delivery. Additionally, the review covers the ocular barriers and administration routes, as well as the prospective future developments and challenges in the field of nanocarriers for treating ocular diseases.

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Haijie Han, Su Li, Mingyu Xu, Yueyang Zhong, Wenjie Fan, Jingwei Xu, Tinglian Zhou, Jian Ji, Juan Ye, Ke Yao, Polymer- and Lipid-Based Nanocarriers for Ocular Drug Delivery: Current Status and Future Perspectives, Advanced Drug Delivery Reviews, 2023, 114770, ISSN 0169-409X, https://doi.org/10.1016/j.addr.2023.114770.