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Next-generation contact lenses: Towards bioresponsive drug delivery and smart technologies in ocular therapeutics

Chaudhari, P and Ghate, VM and Lewis, SA (2021) Next-generation contact lenses: Towards bioresponsive drug delivery and smart technologies in ocular therapeutics. In: European Journal of Pharmaceutics and Biopharmaceutics, 161 . pp. 80-99.

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Official URL: https://doi.org/10.1016/j.ejpb.2021.02.007


In contrast to the conventional ocular formulations, contact lenses are well known for their diverse applications ranging from bio-sensing, prevention of myopia, cosmetics, and drug delivery. With a tremendous change in the lifestyle, contact lenses for therapeutic purposes have increased several fold. Contact lenses as medicated lenses suffer from several disadvantages, and to overcome the same numerous approaches have been explored. Researches worldwide have come a long way from cyclodextrin-based and vitamin E-based modified contact lenses to bioinspired approaches to enhance the effectiveness of the drug-eluting contact lenses. The bioinspired approach exploits bioinspired polymeric systems to enhance biocompatibility, specific molecule recognition technique by molecular imprinting, or stimuli-responsive system to improve the biocompatibility, drug loading, and drug delivery efficacy of the drug-eluting contact lenses. Moreover, recent innovations in ocular therapeutics such as nanowafers and microneedle contact lenses, and ocular patches have gained tremendous attention in ocular therapeutics. Another potential application of the contact lenses are smart lenses applied in the biosensing and diagnosis of various ocular disorders. The review summarizes and discusses the widespread therapeutic applications of next-generation contact lenses and various fabrication approaches, including its clinical implications, efforts taken by researchers in exploring the novel materials and diverse forms of the lenses, mechanisms of drug release, clinical trials, and their toxicity and safety concerns. © 2021 Elsevier B.V.

Item Type: Journal Article
Publication: European Journal of Pharmaceutics and Biopharmaceutics
Publisher: Elsevier B.V.
Additional Information: The copyright for this article belongs to Elsevier B.V.
Keywords: alpha tocopherol; antiinfective agent; cyclodextrin; polymer, Article; biocompatibility; clinical trial (topic); coating (procedure); drug delivery system; drug formulation; drug release; drug safety; human; implantation; lens; lifestyle; molecular imprinting; molecular recognition; myopia; polymerization; sustained release preparation; three dimensional printing; toxicity; animal; chemistry; contact lens; eye disease; genetic procedures; intraocular drug administration; medical technology, Administration, Ophthalmic; Animals; Biomedical Technology; Biosensing Techniques; Contact Lenses; Drug Delivery Systems; Drug Liberation; Eye Diseases; Humans; Molecular Imprinting; Polymers
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Date Deposited: 20 Feb 2023 10:52
Last Modified: 20 Feb 2023 10:52
URI: https://eprints.iisc.ac.in/id/eprint/80397

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