Stimulus-responsive nanomaterials for ocular antimicrobial therapy

Abstract

Nanomaterials exhibit a promising new avenue for treating infectious keratitis, having garnered considerable interest in ophthalmic medical community due to their unique properties including higher target specificity, enhanced bioactivity of loaded agents, reduced drug dosage, and stimulus-responsive drug release. These stimulus-responsive nanomaterial-mediated therapeutic strategies offer innovative approaches for managing ocular antimicrobial diseases. In this review, we aim to summarize current applications of stimulus-responsive nanotherapeutics for ocular antimicrobial therapy. We briefly introduce the basic ocular structure, ocular barrier, infectious keratitis classification, and its microenvironment. Following this, we summarize nanotherapeutics antimicrobial strategy employed in treating ocular infections including endogenous stimulus-responsive ocular nano drug, sonodynamic therapy, and wearable device-based therapy, focusing on their design principles, developmental progress, and advantages and limitations. Finally, we critically evaluate the biosafety profiles of responsive nanomaterials, specifically addressing cytotoxicity and immune interactions. To conclude, we discuss key challenges in this research field and future opportunities with explicit emphasis on clinical translation and practical medical applications.

Article information

Article type
Minireview
Submitted
28 Dec 2024
Accepted
26 Apr 2025
First published
28 Apr 2025

Nanoscale, 2025, Accepted Manuscript

Stimulus-responsive nanomaterials for ocular antimicrobial therapy

T. Zhang and Z. Luo, Nanoscale, 2025, Accepted Manuscript , DOI: 10.1039/D4NR05462H

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