A Paradigm Shift in Ocular Drug Delivery to Posterior Segment: Review on Current Drug Delivery Approaches

Objectives: Owing to the increasing number of patients suffering from posterior eye disorders, efficient medicine delivery segment is now in great demand clinical services. With unmet medical requirements, an important therapeutic target. So, physicians should be informed new indications and current strategies drug when technologies enter market.
 Summary: The most common causes vision impairment developed nations are abnormalities tissues. Poor distribution lesions patient's eyes a key barrier ocular disease therapy. existence barriers, such as corneal barrier, aqueous inner outer blood-retinal severely limits medication accessibility these locations. Because its anatomical peculiarities, portion particularly difficult access for medications. use several therefore viable option enhanced therapy disorders since recent advances systems research have brought fresh insights into development.
 Conclusion: This article provides overview aspects administration region, with focus on nano carrier-based approaches, suprachoroidal system ophthalmic devices, including structure eye, routes, present status drugs/devices.