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Updated: Jan 25, 2026
07:12
Spatio-Temporal In Vivo Imaging of Ocular Drug Delivery Systems using Fiberoptic Confocal Laser Microendoscopy
Published on: September 27, 2021
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Ocular Drug Delivery: Present Innovations and Future Challenges.
Vrinda Gote1, Sadia Sikder1, Jeff Sicotte1
1Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, Kansas City, Missouri.
Summary
Ocular drug delivery faces challenges from eye barriers. Novel nanotechnology approaches offer enhanced bioavailability and controlled release for treating eye disorders, improving patient compliance.
Area of Science:
- Ophthalmology
- Pharmaceutics
- Biomedical Engineering
Background:
- Ocular drug delivery is complex due to anatomical and physiological barriers.
- Conventional methods like eye drops and injections have limitations in bioavailability and controlled release.
- Existing advanced systems for anterior segment disorders include punctum plugs and drug-eluting contact lenses.
Purpose of the Study:
- To review past successes, current innovations, and future challenges in ocular drug delivery technologies.
- To discuss the potential of nanotechnology in overcoming ocular barriers.
- To explore the clinical translatability of novel ocular drug delivery systems.
Main Methods:
- Review of existing literature on ocular drug delivery systems.
- Analysis of conventional and novel therapeutic strategies for anterior and posterior eye segments.
- Discussion of nanotechnology-based approaches such as nanoparticles, liposomes, and microneedles.
Main Results:
- Various advanced drug delivery systems are available for anterior ocular disorders.
- Intravitreal implants have been approved for posterior segment disorders.
- Nanotechnology-based drug delivery systems show promise for both anterior and posterior ocular applications.
Conclusions:
- Nanotechnology offers significant potential for improving ocular drug delivery by enhancing bioavailability and enabling controlled release.
- Overcoming ocular barriers remains a key challenge, necessitating innovative non-invasive delivery methods.
- Translating nanotechnology from research to clinical practice is crucial for advancing ophthalmic treatments.
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