Various strategies for ocular drug delivery are considered; from basic formulation techniques for improving availability of drugs; viscosity enhancers and mucoadhesives aid drug retention and penetration enhancers promote drug transport into the eye. The use of drug-loaded contact lenses and ocular inserts allows drugs to be better placed where they are needed for more direct delivery. Developm...

Eye is the most vital organ of the body. To achieve effective ocular therapy, an adequate amount of active ingredients must be delivered and maintain at the site of action within the eye. The anatomical structure and the protective physiological process of the eye exert a formidable defense against ophthalmic drug delivery, leads to poor precorneal drug loss results in poor ocular by availabili...

Ocular drug delivery is challenging field to pharmaceutical scientists owing to the underlying anatomical, physiological and dynamic constraints put forth by the eye. Nonetheless, there is increasing need to overcome these barriers for the treatment of sight threatening ophthalmic ailments. Novel drug delivery strategies are being explored while intravitreal injections are still a standard trea...