The most normally employed demulcents is carboxymethylcellulose (CMC), a cellulose by-product. CMC increases the viscosity of tears and it has mucoadhesive Houses that allow it to remain to the ocular surface for very long amounts of time.10 The commercially offered synthetic tear focus can range between 0.two% to one%.9 https://quincyc108eox7.blogrenanda.com/profile