One of the more generally used demulcents is carboxymethylcellulose (CMC), a cellulose by-product. CMC enhances the viscosity of tears and has mucoadhesive Qualities that enable it to stay within the ocular surface for prolonged periods of time.ten The commercially accessible synthetic tear focus can vary from 0.two% to 1%.9 https://edwardy568vxb3.mywikiparty.com/user