Sterile/ Isotonic Methyl Cellulose is formulated using quality grade ingredients. The Methyl Cellulose is a sterile, isotonic, non-pyrogenic viscoelastic solution of purified, non-inflammatory, 2% hydroxypropyl methyl cellulose with a high molecular weight greater than 80,000 daltons. The Methyl Cellulose is an ophthalmic surgical aid for use in anterior segment surgery during IOL implant as well as Keratoplasty and glaucoma surgery. Sterile/ Isotonic Methyl Cellulose protects the corneal endothelium from possible damage.