hylan

Hylan is a chemically modified, cross-linked derivative of hyaluronan (hyaluronic acid) designed to enhance the viscoelastic properties and molecular weight of the native polysaccharide. By cross-linking the hyaluronan chains, hylan achieves greater viscosity and stability while maintaining the biocompatibility and non-immunogenicity of the original molecule. In the context of ophthalmology and orbital surgery, specifically researched by **Amsterdam UMC**, hylan A is utilized as a viscoadaptive lubricant in eye drop formulations. Its primary mechanism involves providing a long-lasting, protective moisture film that reduces mechanical friction between an ocular prosthesis and the conjunctival socket. This reduction in friction is critical for treating ocular prosthesis-related discomfort and chronic mucopurulent discharge in anophthalmic patients, where traditional lubricants often fail due to rapid drainage or insufficient cushioning.

Brand names

SynviscHylocomodHylan G-F 20

Other names

hylan Ahylan Bcross-linked hyaluronanhylan polymers