... % min molecular>1,600,000 sodium hyalutonate/ hyaluronic acidGrade: eye drop / injection gradeAssay: 99.9 % minmolecular>1,600,000 ... sodium hyaluronate eye drop grade is an essential component of the vitreous humorsodium hyaluronate eye drop grade sodium hyaluronate ... for ophthalmologic operation of artificial lens implantation,as filler for arthritis operation and as slow release formulation ...