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The perpetuation of healthy vision is paramount in an individual. It has been observed thatvarious drug delivery systems have been fabricated to develop vision quality in individuals. Systemicocular drug therapies have limited efficacy due to poor bioavailability, systemic and toxic side effectsand low patient compliance. Various drug systems which follow the ocular route of administration aremanufactured to achieve optimized bioavailability along with better patient compliance. Ocular implantis one such example. It is divided into biodegradable and non- biodegradable drug delivery systemswherein the former is more beneficial. This review aims to demonstrate the current momentum in theformulation and optimization of various biodegradable ocular drug delivery systems and its characteristics.
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