Due to chemical or physical cross-linking of individual polymer chains, a hydrogel is a three-dimensional (3D) network of hydrophilic polymers that can swell in water and hold a high amount of water while keeping their structure.
Contact lenses, nerve guiding conduits, tissue bulking agents, and nucleus replacement technology are all examples of common applications. With their cold, high-water content, Hydrogel-Based Drug Delivery System stimulate wound healing, provide moisture, and give pain relief when used as a wound dressing.
The distribution of ocular drugs is fraught with difficulties. Hydrogel-Based Drug Delivery System are caused by the cornea, conjunctiva, blinking reflex, and nasolacrimal drainage system, among other tissue barriers and defence systems found in the eye. As a result, many traditional ophthalmic preparations, such as eye drops, have low bioavailability profiles, are quickly removed from the administration site, and hence deliver medications ineffectively.
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