HYALURONIC ACID IS WIDELY DISTRIBUTED IN BODY TISSUES AND IN-TRACELLULAR FLUIDS INCLUDING THE AQUEOUS AND VITREOUS HUMOUR; IT IS A COMPONENT OF THE GROUND SUBSTANCE OR TISSUE CEMENT SURROUNDING CELLS.
A VISCOUS SOLUTION OF SODIUM HYALURONATE IS USED DURING SURGICAL PROCEDURES ON THE EYE, FOR EXAMPLE FOR CATARACT. INTRODUCTION OF THE SOLUTION INTO THE ANTERIOR OR POSTERIOR CHAMBER VIA A FINE CANNULA OR NEEDLE ALLOWS TISSUES TO BE SEPARATED DURING SURGERY AND PROTECTS THEM FROM TRAUMA.