Hyaluronic acid eye drop grade is the major ingredient that make up of eye-vitreous body, synovia and so on. HA plays an important role in protecting water, keeping space of outer cell, adjusting penetrative pressure, Lubrication, Improving reparation of cells.

HA molecular consists a amount of complicated third class mashy configuration that is formed by effect of both molecule has remarkable stickiness and flexibility. HA taken part in electrolyte alternate control between cells as the major ingredient of celle exerts the effect of message filter of physics and molecule. High molecule HA has restrain effect for the function of cell movement. Multiplication and licking up, low molecular HA has acceleration effect.

Hyaluronic acid eye drop grade has unique physical-chemic character and biologic function. It has been applied in medicine widely. HA can be used as artificial crystal removement

operation sticky bond of eye subject. Arthritis operation stuff of osteological rheumatic and rheumaticarthri is. It is applied in eye-liquid widely, it can be used to anticipate the cement after operation and promote the heal of wound. The compound of HA and other medicine play the effect of delaping dilutedness. What can gain the aim of direction and timing release. With the development of medicine technology, the application of HA in medicine area will become more and more extensive.