Amid the escalating prevalence of eye diseases and the intricate nature of the eye as a crucial target organ for drug delivery, researchers face significant challenges in developing delivery systems tailored specifically for ocular complications. Addressing the gaps in the current conventional ocular drug delivery system (ODDS) is crucial and this can be achieved by incorporating polymers while designing newer ODDS. This review aims to offer a concise overview of the diverse polymers utilized in the development of ODDS, designed to address various eye conditions and disorders, enhance treatment outcomes, and ensure patient adherence. Introducing the anatomy of the eye and different ocular routes of administration, alongside the barriers encountered, this review presents polymer‐based ODDS, renowned for their unique properties facilitating the engineering of specialized devices for enhanced drug delivery. Further discussions delve into the applications of polymers in ophthalmology. Emphasis is placed on emerging polymer‐based technologies available in the market for treating ocular diseases, underscoring their potential for revolutionizing ocular healthcare. The review also addresses challenges in translating these advancements into clinical practice, while highlighting the versatility of polymers in treating diverse eye diseases and disorders through customizable properties and sustained drug delivery.
Ophthalmic diseases can result in permanent vision loss and blindness. Convenient topical and systemic treatments are preferred to address these sight-threatening conditions. However, the unique anatomy of the eye presents challenges for drug delivery. Various ophthalmic ointment formulations have been developed to enhance bioavailability in the eye to prolong residence time and improve corneal permeability. This article explores a wide range of ocular diseases affecting individuals globally and how ointments are used to manage them. From eye to ocular barriers, this review focuses on published scientific research and formulation strategies for severe ocular complications using conventional topical ointments. Additionally, it delves through patented technologies and marketed formulations supporting the use of ointments in ocular drug delivery.