Nanozyme-Cosmetic Contact Lenses for Ocular Surface Diseases Prevention.
Advanced materials (Deerfield Beach, Fla.)(2023)
摘要
Efficiently balancing excess reactive oxygen species (ROS) caused by various factors on the ocular surface is a promising strategy for preventing the development of ocular surface diseases (OSDs). Nevertheless, the conventional topical administration of antioxidants is limited in efficacy due to poor absorption, rapid metabolism, and irreversible depletion, which impede their performance. To address this issue, we have developed contact lenses embedded with antioxidant nanozymes that can continuously scavenge ROS, thereby providing an excellent preventive effect against OSDs. Specifically, we chose Prussian blue (PB) family nanozymes based on their multiple antioxidant enzyme-like activities and excellent biocompatibility. The diverse range of colors makes them promising candidates for the development of cosmetic contact lenses (CCLs) as a substitute for conventional pigments. The efficacy of nanozyme-CCLs was demonstrated in rabbits and rats exposed to a high risk of developing OSDs. Our OSDs prevention nanozyme-CCLs can pave the way of CCLs towards powerful wearable biomedical devices and provide novel strategies for the rational utilization of nanomaterials in clinical practice. This article is protected by copyright. All rights reserved.
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关键词
corneas, cosmetic contact lenses, nanozymes, ocular surface diseases, Prussian blue analogues, reactive oxygen species
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